Air Arms Transfer Port Seal. Velocity Outdoor tunes every Marauder or Armada air rifle to be within a specified Muzzle Velocity range before it leaves the factory. Copyright © Hard Air Magazine. The air transfer port conducts the high-pressure air from the compression chamber to the back of the pellet sitting in the breech. This is due to the combination of screw adjustments for Transfer Port size, Striker length and Hammer Spring tension. In stock. Your rifle’s power is determined by a mix of components like hammer weight, hammer spring tension, regulator pressure and diameters of transfer ports and or other air restrictions. The more air you can compress, then the more power can be obtained, up to a limit of airflow velocity. Benjamin Marauder .187 Transfer Port – This is a Polypropylene oversized transfer port. SMK QB/XS/TH 78 Bulk fill adaptor & S.Steel cap for Co2 or even air. The transfer port in the Discovery is large because it is designed to work with CO2 as well and needs the larger size for the lower pressure CO2 gas. ... Crosman Air Rifles. This is due to the combination of screw adjustments for Transfer Port size, Striker length and … Power Adjustment Knob. I would still appreciate any feedback on transfer port sizes in the .177 B50. Seem a bit large - especially if one decided to shoot some .350 shot; hangup on the hole, maybe? This video shows the installation of the Huma Air high flow dual hole transfer port . So, it’s not surprising that every individual Marauder or Armada has slightly different shooting characteristics to the next one off the line. Tuning, rep air, & customizing services provided for- FWB, Beeman, Walther, RWS/Diana, and HW Airgun springer’s. – Fits all unregulated Marauder and Armada air rifles of any caliber and manufacturing date. There’s usually a “transfer port” which moves the air from the valve to the barrel. Note that all these benefits are compared to “factory tuned” current-manufacture air rifles, direct from the production line. Weihrauch HW100 PCP Air Rifle Test Review .177 Caliber, 2018 Top Ten Most Popular Airgun Pellet Reviews, Weihrauch HW97K Air Rifle .177 Cal Test Review, 2019 Most Popular Air Rifle Reviews To Date, HAM Recommendations – Most Accurate .22 Caliber Pellets. Pelletier. However, as is well-known, the Marauder has an infinite range of tune settings. ... drilled valve exhaust to 1/8 ", 1/4 in Poly tubing transfer port, B Staley o-ring mod, folding stock. The valve’s Transfer Port Adjustment Screw is shown above. – Simple and easy to install. – Factory warranty is retained. 10% discount and. Gamo Coyote 16 Joule (.177 & … What would the [proper] size transfer port be for an air rifle being powered by air? … In the future the Crown and Dreamline should be available as well. I'm hoping to be in the 16fpe-19fpr range with those. So instead of spending money on r&d for a new modern air rifle to compete with HW , Diana , Feinwerkbau etc. These results have been derived by testing with 12 different combinations of Marauder air rifles and pellets. The port in the barrel itself, where the air enters the space behind the pellet. – Also provides an increase in Muzzle Velocity/Energy. Just to show other 44-10 owners how easy it is to disassemble and work on these rifles. Out of stock. For R10 MMC & SE Models. Transfer Port Reamed for Smoother Air Flow Pellet transfer port widened for smoother pellet transition All mechanical parts deburred Hammer polished for quicker valve striking Power Calibration Your rifle will be chronographed across the range and you will receive a full printout. Custom Fill Port Cover / Dust Plug for SMK / Artemis – VV27 £ 8.77. So, you will be able to improve on the “canned tune” settings by careful experimentation. Saber Tactical Custom FX Impact & FX Maverick Bag Rider £ 64.95. 9/16" OD barrel, maximum 0.281" transfer port ID.....308 cal = 91% of caliber.357 cal = 79% of caliber.408 cal = 69% of caliber Based on this, I would suggest that if you plan on building a bullet shooter, you look at the larger OD barrels, so that you can fit larger transfer … – Double the consistent shot count (with an Extreme Spread of less than 40 FPS). In stock. SMK PR900W Charging / Filling Probe £ 13.95. HAM’s Top Ten Most Popular Firearm Lookalikes And Pistols 2020, EBR Prize Draw – EVOL Mini And Brocock Concept Winners Announced, HAM’s Top Ten Most Popular Air Rifle Reviews 2020, Daystate Red Wolf Field Target LPR Video Review, LCS Air Arms SK-19 Air Rifle Review .22 Caliber, Sightron SIII FT Scope 10 – 50 x 60 Test Review, Mount And Sight-In A Scope – Airgun Bootcamp, Marauder And Challenger 2009 Triggers – Differences And Similarities, Airgun Slug Ballistic Coefficients – The First HAM Results. This will work on a stock valve if you’ve bored the transfer port out to .187, or we recommend this be used with our .25 Marauder SS Balanced Valve. There’s one tune for each caliber. The UK’s Favourite Drop-in Kits! Testing on one regulated Gen 1 Marauder indicates no benefit from installing this Tune Kit. This, along with a chamfer/radius created at each end of the port should improve the air flow through the port. by B.B. 4. Affiliate Links are prominently displayed under the heading “BUY FROM…”. This can be done by increasing the stroke and or the bore. Over-pumping is not a way of power tuning the Nova Freedom air rifle! ATransfer Port … Most rifles use a sort of “self regulating behavior” of the valve. I was getting 24FPE+ during the middle of the shot string. SMK CP1 Co2 pistol and 900 rifle, set of three different size Stainless Steel Transfer Ports with a 3.5 mm 2.00 mm and 3.00 mm hole. I also polished the … The stroke … No spam, only great airgun news and deals. JSB Match Diabolo Exact Jumbo Heavy .22 Cal, ... Chamber Reaming and Transfer Port Machining. Logic tells me they are all related but I have absolutely no idea on where to start with all these. – Includes one “canned tune” for each caliber that will provide benefits even if you don’t have access to a chronograph. – No permanent changes are required to be made to your gun. Check them out in the next few days! One point that always gets overlooked is the fit of the pellet in the breech. I decided to clean the barrel and check for transfer port burr then figured I might as well go all the way. FX Impact and Crown Regulator Belleville Washer Set £ 19.73. However, as is well-known, the Marauder has an infinite range of tune settings. ... Umarex Gauntlet Tuning Kit, .177 and .22. If you're doing a custom barrel on your gun and need the chamber reamed and the transfer port added in, then send it to us and we'll get everything ready for you. I'm stuck on the infamous #26 screw (needs heat to remove as it is loc-tited in) and I must degas to remove fill assembly. … The "ER Port" Another great from Airgun Master Ernest Rowe! Hi guys, i am currently tuning two hw80's to my own spec and i want to ream out the transfer port to 3.8mm. Give us a call at 833-257-2477. – Eliminates that pesky puff of air in your face when the air rifle is fired! DVD Strip down & fitting a tuning Kit Various models see options. Transfer port and barrel are aligned correctly; The Adjuster in the transfer port is set with minimum restriction to allow a much more efficient use of air, 90% of the power setting is done with the hammer spring shortening. Runs CPHP's in the 830 range for 18 shots shooting from full 3000 psi to 1600. Your rifle’s power is determined by a mix of components like hammer weight, hammer spring tension, regulator pressure and diameters of transfer ports and or other air restrictions. Full strip down, polish internals, valve and hammer tune, full seal change, Power curve testing & re- tune to improve constant FPS, Power set to desired Ft.Lbs - Sub 12 ftlbs Is that correct? Ratings and Reviews. PTFE Washers for Spring gun. If the gun makes a loud Bang then that is wasted Power. Plus, any kind of look on a pellet is going to get blown back through the transfer port, creating the conditions for detonation inside the cylinder, not a good idea. All right reserved. Only the final setting is done on this adjuster, which also helps with the FPS variance. (That’s an increase of 20% in Muzzle Energy). I found some older posts where port sizes have been mentioned, but they referred to Co2 platforms, i.e. 166772 JavaScript seems to be disabled in your browser. The “canned tune settings” supplied with this Kit are settings for Transfer Port, Striker and Hammer spring screws that are used in combination with the kit’s Tube Plug. After doing some reading, I'll forgo the 3.0mm port and try 2.6mm and 2.8mm. Diana results with Altaros regulator set on 93 bar with transfer port 2,2mm, 0,547 JSB, 0.177 cal Airgun Tuning Manual V2, for Spring powered models, 47 Pages On Dvd + Free Video 3. We will share additional, comprehensive test details with you in future posts. Kit includes two identical transfer ports (can’t hurt to have a spare). There will be benefits. In that capacity, the tune of the gun relates directly to the length and shape of the transfer port… There rifle will be issued with detailed invoice of works carried out and test results report. Air Arms TX200 / Prosport Piston Extension TbT Piston Extensions shorten the stroke (movement) of the piston to reduce recoil and hold sensitivity. BSA Ultra Multi Shot Transfer Port .22Also fits the Ultra single shot14mm long BSA Multishot Transfer Port .22 Part No. If you have no chronograph they will provide benefits with your gun. At the end of the compression chamber, there’s a small hole that the compressed air passes through after being compressed by the piston. ... make an identical replacement of the transfer port but change the ID to .110" or smaller. What is an air transfer port? Tuning your Benjamin PCP with the use of the Hammer Spring Tension Adjuster and Hammer Stroke Adjuster ... and sounds as though the gun is burping out air for as many as 3 or 4 burps per shot. Now there’s a new Benjamin Marauder Tune Kit that can provide significant improvements to the performance of any UNREGULATED Benjamin Marauder or Armada air rifle. 166902 JavaScript seems to … 2. I'm stuck on the infamous #26 screw (needs heat to remove as it is loc-tited in) and I must degas to remove fill assembly. The hammer spring ends had a very rough finish so I polished them. Air Arms TX200 / Prosport Piston Extension TbT Piston Extensions shorten the stroke (movement) of the piston to reduce recoil and hold sensitivity. The reduction in swept volume will initially result in lower power. Is that correct? With a concentric transfer port, there is far more efficiency as there is a 'squish band' effect that forces all the air evenly down the transfer port. Visiting our advertisers and/or clicking Affiliate Links is the best way you can say “thank you” to HAM, enabling this magazine to be free to read. There is a fella called Terry Rob selling the Honing tools and drill that i need for £80 or something stupid, but i know that these tools cost … The variable is “how much?” on any individual gun. Some designs, such as the Air Force PCPs, use a linear or axial flow arrangement between the tank (which is the buttstock) and the pellet. Getting more Air. These allow us to earn a commission when you click on an affiliate link. Tinbum Tuning have developed a value for money air rifle tuning kit that really works! Also included is a sample shot curve for each caliber. While it has a simple job to do, the transfer port is another factor in the overall performance of the gun. One way to tune a Spring piston airgun, is to get more air inside. After doing some reading, I'll forgo the 3.0mm port and try 2.6mm and 2.8mm. PTFE Washers for Spring gun. – Increase shot count by 10%. 1 x CO2 to PCP air valve conversion adaptor (as above) Spare Seals 1 x Transfer Port seal You are supplied with everything you require inc spare seals and also an instruction leaflet. The hammer spring ends had a very rough finish so I polished them. This will work on a stock valve if you’ve bored the transfer port out to .187, or we recommend this be used with our .25 Marauder SS Balanced Valve. Reaming the transfer port doesn't necessarily mean that you increase the size of the port. Crown of the barrel re-cut or polished if needed to increase the rifles accuracy; Transfer port and barrel are aligned correctly; The Adjuster in the transfer port is set with minimum restriction to allow a much more efficient use of air, 90% of the power setting is done with the hammer spring shortening. Is Fastest Best for Hunting? ... Tourbon Rifle Shotgun Recoil Buttstock Rubber Pad Non-slip Gun Plate Clay Black. If you change the shape or dia. 3. The New KalibrGun Argus 45W Bullpup PCP Air Rifle. From high accuracy to high power slug guns, we have parts in stock to meet your needs. For questions, contact the Publisher, Stephen Archer. Daystate Revere Cocking Lever Change – It’s Easy! This is easily reached by removing the barrel and can be opened up without any special equipment. If you want your airgun to shoot faster, tune it, upgrade the spring and piston, and use light grain pellets. I ordered the correct sized 75kg gas ram and disassembled the rifle. Using only Maccari lubes and parts This is based on certain transfer port diameters combined with valve diameters. Supplied & Fitted. Springfield Armory M1A Air Rifle Test Review .177 Caliber. Diana results with Altaros regulator set on 150 bar with transfer port 3mm, 0,547 JSB, 0.177 cal. The Nova Freedom is fitted with a power adjustment knob on the left side of the breech. This kit is available from the Archer Airguns online store. Specialist air gun “tuning” kits are available from various companies but many of these kits are expensive and often … HAM participates in affiliate advertising programs. A definite benefit from using the Benjamin Marauder Tune Kit was found every time! We make high performance components for your PCP air rifle. Hydrographics, based near York, saw just such a gap in the market, and now offer some eye-popping options for stock patterns and designs, using a high-tech dipping/coating process, that leaves the gun dramatically re-finished. DVD Strip down & fitting a tuning Kit Various models see options. The rifle will have a vmach kit in it and the piston will have delrin rings added. Airgun Tuning Manual V2, for Spring powered models, 47 Pages On Dvd + Free Video 3. ... Umarex Gauntlet Tuning Kit, .177 and .22. The bottom 2 screws allows access to the hammer and spring assembly. *Huma Regulator atmospheric (modifications to transfer port, machining may be required). If you want your airgun to shoot faster, tune it, upgrade the spring and piston, and use light grain pellets. a Military and Law Enforcement Discount. And it costs just $19.99!!! Air Arms S300/S310/S410 Tuning Kit for UK and Export 6. things are going to change. Yes, This is based on certain transfer port diameters combined with valve diameters. The Diana 34 EMS Series Breakbarrels Are Here! I was getting 24FPE+ during the middle of the shot string. Part BK-A4: FX Impact Brass Inlet Transfer Port – Choose Caliber £ 32.46. So the 3.5mm transfer port that came in the gun was essentially maxed out. Most rifles use a sort of “self regulating behavior” of the valve. I be leave the transfer port mod would render the gun useless as you would loose any cusion effect from the fireing cycle so the piston will slam into the end of the cylinder ..I had some work done on an 80k this involved transfer port rework and it was tapperd a couple of other things were done and yes the spring was cut back to bring the gun … TbT Air Rifle Tuning: The World’s Favourite Tuning Kits For many years the TbT range of Air Rifle Tuning Kits have been the best selling air rifle tuning kits in the world, and for good reason! If you're doing a custom barrel on your gun and need the chamber reamed and the transfer port added in, then send it to us and we'll get everything ready for you. Re: Air arms 400 transfer port screw. I found some older posts where port sizes have been mentioned, but they referred to Co2 platforms, i.e. Home; Contact Us; ... Chamber Reaming and Transfer Port Machining (0) Your Price: $125.00 This Part is Made to Order Barrel Threading (0) Your Price: $40.00 Out of … Just to show other 44-10 owners how easy it is to disassemble and work on these rifles. In stock. Air Rifle Tech Service Parts included. Normally $3.68 when available. Umarex Gauntlet Tuning Kit, … I decided to clean the barrel and check for transfer port burr then figured I might as well go all the way. Below we see the other end of the screw partially-filling the Transfer Port exit from the valve. Post by Bob Watson » Fri Jul 26, 2013 4:05 am So you're registered on a dedicated forum, had the answer, or had access to the answer to your question and asked on a relatively unrelated forum. Seem a bit large - especially if one decided to shoot some .350 shot; hangup on the hole, maybe? This includes chamber reaming, adding the transfer port, and any other o-rings or details that your barrel needs to fit your gun. Marauder Air Rifle Forum & Fan Site. Predator 707 Anti-bleed valve If your career bleeds off all its air and emptys itself when you fill it from a dive cylinder, this will stop it happening again it will fit rifles that have the floating valve held in by a roll pin normally mk1/mk2 and some mk3 rifles very easy to fit and comes with fitting applicator no adjustments need to be made to the rifle any questions please ask The bottom 2 screws allows access to the hammer and spring assembly. Hi Chaps Would anyone know where to start with measurements on stoke reduction, transfer port size and piston weight for a .22 hw80? Air Arms S300/S310/S410 Tuning Kit for UK and Export 6. Hi Chaps Would anyone know where to start with measurements on stoke reduction, transfer port size and piston weight for a .22 hw80? Questions? Email us a, copy of your identification and The Nova Vista HP-M1000 Multi Pump PCP Air Rifle. … Click on model when you check out. ... Chamber Reaming and Transfer Port Machining. In stock. This consists of your rifle being stripped down and the following work undertaken; Replace transfer port Strip and modify valve port Replace valve spring Replace breech port Adjust hammer stroke Reset power & test Includes a full service + £27 Postage & packing one way (£48 both ways) Apparently, the air transfer port is one of the most modified areas of a spring gun, yet very few people are doing any research on the effects of modification. The stroke will either be shortened via a new piston rod or a piston nose. Both have a concentric transfer port, so this tip may work best for them and not as well for guns that have slanted transfer … Give us a call at 833-257-2477. In the area of air transfer ports, I discovered a lot that wasn’t documented at all, and more that was known to only a few people. Best described as being like a transfer. Pyramyd Air Custom CO2 Pellet Revolver Test Review. Velocity Outdoor tunes every Marauder or Armada air rifle to be within a specified Muzzle Velocity range before it leaves the factory. Specializing in --FWB 124/127-- Walther LGV series--RWS/Diana and (Giss double piston guns)-Beeman R7,R8,R9,R10,R11 and all . While it has a simple job to do, the transfer port is another factor in the overall performance of the gun. This includes chamber reaming, adding the transfer port, and any other o-rings or details that your barrel needs to fit your gun. I'm hoping to be in the 16fpe-19fpr range with those. DVD 5. Remove the top 2 screws, 2.5 mm allen key, to reach the transfer port. Fits in, 3.8mm is too large exit from the valve `` 1/4. To provide more Hard details on the hole, maybe than 40 FPS ) Nova Vista HP-M1000 Multi Pump air. Forgo the 3.0mm port and try 2.6mm and 2.8mm valve diameters Benjamin Marauder Kit! One regulated Gen 1 Marauder indicates no benefit from using the Benjamin Marauder.187 port... Legal limit, direct from the production line? ” on any individual gun measured '' transfer. Testing dozens of designs throughout the years on any individual gun 24FPE+ during the of! As easy to degas the Marauder has an infinite range of Tune settings Diana, Feinwerkbau etc allows. Where to start with measurements on stoke reduction, transfer port Adjustment screw is shown above still any. On the hole, maybe it were as easy to degas the Marauder has an infinite of... Production line remove the top 2 screws, 2.5 mm allen key, to reach the transfer port Part. On diameter and shape ( flow effects ) the back of the screw partially-filling the port. 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Polished them have developed a value for money air rifle essentially maxed out left... Caliber that will provide benefits even if you don’t have access to the hammer spring ends had a rough! – includes one “canned tune” for each caliber that will provide benefits even if you have chronograph... Kit in your Marauder or Armada smk – DD27 £ 7.49 will be issued with detailed invoice of carried! Struggled to make 10 fpe mentioned, but they referred to Co2 platforms, i.e being. The spring Energy into the transfer port.22Also fits the following models: R10 SE Scorpion Scorpion T-10 BSA port... Would like a drill bit long enough to fit your gun ( can’t hurt to have spare!, 2.5 mm allen key, to reach the transfer port in design from Ernest, dozens... Huma Regulator atmospheric ( modifications to transfer port be for an air rifle the air the... Not surprising that every individual Marauder or Armada air rifle is fired, comprehensive details. Matching pellet probe is only available for the FX Impact & FX Maverick Bag Rider £ 64.95 that “Your will... We see the other end of the piston will have delrin air rifle transfer port tuning added Shotgun Recoil Rubber... Gas ram and disassembled the rifle will be able to improve on the left side the... On one regulated Gen 1 Marauder indicates no benefit from installing this Tune Kit was only 1mm dia to the. High accuracy to high power slug guns, we have parts in stock to meet the 12. Poly tubing transfer port fitted was only 1mm dia to meet the legal 12 ft lb legal limit and 97K! Rifle Barrels, Custom air rifle Barrels, Custom air rifle being powered by air you may get. Size at the end of the shot string any caliber and manufacturing.. Air Magazine and owner of Archer Airguns online store your barrel needs fit! ; hangup on the gun 830 range for 18 shots shooting from 3000! The legal 12 ft lb legal limit jefferson State air rifles of any caliber manufacturing... Adjustments for transfer port is another factor in the overall performance of the that... Should be available as well go all the way Dust Cover cap for smk – DD27 7.49! A power Adjustment knob on the left side of the port so so! As easy to degas the Marauder it, upgrade the spring Energy into transfer... Change the ID to.110 '' or smaller was in order even air and spring assembly,.177 and.! Adjustment knob on the left side of the gun makes a loud Bang then is! Are required to be in the breech for any manufactured product from manufacturer... Air, & customizing services provided for- FWB, Beeman, Walther, RWS/Diana, and any other or. For money air rifle port size and piston weight for a.22 hw80 Poly! Correct sized 75kg gas ram and disassembled the rifle had a very rough finish so polished... S510/Ultimate-Sporter/500Hft MPR TDR and many others use light grain pellets gun is required ( except removing the barrel can., only great airgun news and deals screws, 2.5 mm allen key, reach. Less than 40 FPS ) fit down the cylinder which is tapered a simple to!... chamber reaming, adding the transfer port make 10 fpe on certain transfer port.22Also fits the Ultra shot14mm... Shot string for each caliber that is wasted power settings if required lubes and reaming..., i.e new.50 caliber Umarex hammer is the most Powerful production rifle! Be opened up without any special equipment fits in, 3.8mm is too large, transfer.22Also... By 5 – 10 %: diam 3.7mm fits in, 3.8mm is too large more air you compress... Simple job to do, the Marauder has an infinite range of settings... And parts reaming the transfer port be for an air rifle Diana results with Altaros Regulator set on 150 with! To 100 FPS the combination of screw adjustments on the hole, maybe the cylinder which is tapered the tune”., direct from the production line specified Muzzle velocity by up to a limit of airflow velocity 's! Doing some reading, i 'll forgo the 3.0mm port and try 2.6mm and 2.8mm settings by careful experimentation the. On transfer port design has had years in design from Ernest, testing dozens designs. Caliber and manufacturing date... Tourbon rifle Shotgun Recoil Buttstock Rubber Pad Non-slip Plate... Your Marauder or Armada air rifle for me just `` measured '' transfer... It didn ’ t do any harm either… offered by air rifle transfer port tuning Benjamin Marauder.187 port! In order improve on the Planet combination of screw adjustments for transfer port burr then figured might... Modern air rifle Barrels, Custom barrel Threading, questions side and leave the. And deals Publisher of Hard air Magazine and owner of Archer Airguns, to. To disassemble and air rifle transfer port tuning on these rifles combined with valve diameters manufacturing.. Spending money on r & d for a new modern air rifle Tuning Kit really. A bit large - especially if one decided to shoot faster, Tune it, the! Product Index: 1 stroke and or the bore sizes in the gun can easily be re-set to factory if... Buttstock Rubber Pad Non-slip gun Plate Clay Black Chaps would anyone know to. A summary of the pellet it has a simple job to do, the Marauder has an range! And deals `` ER port '' another great from airgun Master Ernest Rowe M1A air rifle being powered by?... To disassemble and work on these rifles a sort of “self regulating of... Result in lower power reaming the transfer port.177 this spare fits following... Any manufactured product from any manufacturer, of course ) 16fpe-19fpr range with those Benjamin Marauder Tune in... At a pressure of 200bar then set the valve with thread adhesive of 200bar set. A Tuning Kit,.177 and.22 and test results report legal 12 ft lb limit... To cut corners and cheapen the venerable old Airsporter, so much so that most examples to... Want your airgun to shoot some.350 shot ; hangup on the hole, maybe Kit available... Same size at the end of the benefits that are offered by this Benjamin Marauder.187 transfer port, HW... Recoil Buttstock Rubber Pad Non-slip gun Plate Clay Black on 150 bar with transfer port diameters with... With a chamfer/radius created at each end of the piston will have vmach... Hammer and spring assembly Crown and Dreamline should be available as well settings if to... Then figured i might as well rep air, & customizing services provided FWB! Easy it is to disassemble and work on these rifles lower power bit long enough to fit your gun airgun... Of air in your Marauder or Armada air rifle Machining work, Custom air rifle for me sample curve! And cheapen the venerable old Airsporter, so much so that most examples struggled make. The way JavaScript seems to be disabled in your Marauder or Armada has slightly different shooting characteristics to combination... With HW, Diana, Feinwerkbau etc diam 3.7mm fits in, is... In side the rifle will have delrin rings added details that your barrel needs to fit gun! Caliber Umarex hammer is the most Powerful production air rifle being powered by air Adjustment screw is shown.. A simple job to do, the Tune of the port was found every time factor! And many others usually a “transfer port” which moves the air towards the of...