FX Masterclass : FX Impact - FPS Tuning
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- čas přidán 25. 07. 2024
- FX Masterclass - World-renowned airgun smith, Ernest Rowe, shares a lifetime of airgun knowledge. covering everything from basic airgun maintenance to comprehensive step by step repair tutorials.
In this Episode, Ernest demonstrates how to properly tune your FX Impact to your desired FPS
For a detailed schematic of the FX Impact, follow the link below:
fxairguns.com/wp-content/uplo...
To order parts or speak with a certified FX Technician call or email:
service@fxairguns.com
(866) 639-0772
If you have a specific tutorial you want Ernest to do, please leave them in the comment section below.
Excellent! Thanks a lot for this Mr. Rowe and FX airguns. It sure helps a lot to have videos like these available.
Thank you for doing this video is Ernest. It means a lot to a lot of us. Speaking for myself I personally love my impact and never regretted my purchase, I’m just glad that with FX his help and your master classes I’ll definitely get the most out of my impact. Thanks again.
Thank you for your patience with us amateurs, that was an excellent presentation.
You are a good teacher for this . It appears to be you have done this more than once . Nice job . Thank you for sharing your knowledge and experience .
Ernest it was a real pleasure to meet you today. I'm reviewing your video in preparation for tuning my new Impact. Good stuff. Thanks Sam;
thanks Ernest ... fx is to be complimented for this "value added" information on the fx impact ... on to the crown ...
Thank you Ernest it is a lot of help. As Bob said I know I have been waiting for this for a long time
Thank you Ernest. It is much easier to see you doing it than read somewhere.
Thanks Ernie! So much relevant and good info, been struggling to fine tune my slug liner in .22 but this was certainly most satisfying to watch and very educational. Sure I should get my Imact shooting slugs like a beast at no time! Regards from South Africa!!! FYI All other comments/watchers ( if i might call it that ), same goes for crown,dreamline etc...
This is a video that I know most people will benefit from
I know that I just did , been weighting for a video like this one
to explain this procedure and you did it well Ernest . Thanks buddy .
Looking at your post which is one year old , have you done this tune process and how was your result ? I have my MKII on the way and want to know everything about this PCP to get the best accuracy with a given slug , I will be purchasing the slug power kit to get a little extra velocity !
@@hotchihuahua1546 I have one now with the pellet liner. You can use these settings and set the power wheel to 4. It's good to have additional leeway.
@@JackAgainski I added the Huma transfer port & the FX slug probe since my purchase with a power setting at 115 bar ! With a 23 grain .218 NSA slug in .22 caliber and a setting of 5 on the hammer adjuster I’m getting 958 FPS ! With this setup I get a 3/8 group at 40 yards and just under 1 inch at 105 yards .
I plan on testing a 31 grain .218 NSA slug to shoot @ 940 FPS in the future .
@@hotchihuahua1546 I'm not sure of settings for a slug barrel. Nice though.
@@JackAgainski the MKII comes with a superior liner that shoots Diabolo & slugs well up to a certain gram , I may need to move up to a heavy barrel for slugs over 28 grains achieving speeds of 950 FPS .
Very clear and concise instructions how to adjust an awesome air rifle.
Ernest, this is very nice tutorial clip! Thanbk you very much, this will help a lot to everybody... I hope we can see soon guid lines for every size of pellets and slugs... Greatly appreciate you Masterclasses.
Thank you! Seeing it done is the best way to learn it and although I do not have the Impact I think most of what I saw will help me with my first generation Crown. It would be nice to see this done with the Crown!
Awesome to see this video. Thanks for sharing! Perfect timing for me 😉
Amazing presentation clear precise educational and certainly helped me as a first timer.
Nice to see your video to get an understanding of how it all works out. Thank you
Love to see you Back Mr Ernest The Master of FX AIRGUNS TECHNICAL 🤩
Thanks Ernest for sharing your knowledge, very informative.
Thanks Ernest, that's awesome. That's really scientific with all those instruments to calibrate it. I remember when I was in the Philippines I just tried to approximate the spring tension of the air rifle hammer vs the CO2 tank air pressure, and it was a long process of trial and error, and patience. The FX M3 is really amazing, one of the best air rifle so far when it comes to fine tuning and accuracy. Have a great day Ernest and God bless!
Ernest thank you so much for this great video, watched it a few times excellent!
Awesome!!! Thank you. Had to watch this a couple times.
This is excellent information. Thank brother and God bless you.
I've watched your entire series, I think it's fantastic. Please do a video on rebuilding the FX Dreamline. I will use that video to make a decision on whether I buy one or not. Thank you very much.
Learned more in this video then the dozen I watched before. Thanks Ernest
Awesome video Ernest thank you for sharing your expertise very much appreciated
Ernest is “AWESOME”!
Great video , I finally feel ready to tune my own Impact . Thanks Ernst >
Thank you, Earnest!!!
Thanks Ernest, great video and information!!!
Thanks for the information i really like the way you made this videos come together. Well done.
Very good demonstration! Thank you.
Best video for Fx Impact ever!!!
Thanks Ernest. I appreciate you doing this video.
Thank you very much for taking the time to make these videos 😉🖒
Thank you, well done as always
Damn Ernest you are the Master I have the .30cal Crown and I really wish we had the same info for the Crown as you just did for the impact, Thanks Randy
Cool video Ernest! Like all ur videos👍🏾
I love FX so much but can’t own it’s.. but still in love it’s..here in Thailand so expensive...I will follow ur channel keep doing uploads more about FX.. thank you sir.. fan of Fx..
Lovely job Ernest 👍😎👍
THIS VEDIO is great I learned a lot about precision adjustment on such a fine Air rifle Thank you Sir
Very informative...thanks Ernest...👍
You are TRULY thee FX IMPACT GURU! Thanks much for taking the time to share your knowledge!
Hello Ernest, thank you upload this video, this same procedure is for the FX Crown?
Big fan. Thanks Ernest.
This is an eye-opener for a lot of People. I would be very happy if Mr Rowe could make the same video for the FX Dreamline. It would be very nice to know if you can fine tune the transfer port. The wheel on the dreamline only has three fixed settings.
What this Impact needs is "more cowbell". Great video as always :-)
Ernest Im glad Cronk set mine up 😜 I am great full for your knowledge. Wow this is a-lot of tuning knowledge
Thank you for this video Ernest ! Could you please do a video like this for JSB MKII and the .25 cal Crown? Or maybe with the slug liner? After watching and doing what you said I have my crown tuned in nicely. Thanks again. I would still watch if you did a crown video.
excellent Video now I know how to adjust my FX Impact in a way that makes sense
thanks !!!
Awesome! Can you PLEASE do this for the FX Crown?
Yes 100% do it for the Crown
Nice video as always!
Awesome video. Thank you!
Thanks Ernest and FX! Anyone else find the coincidence of the hammerspring adjustment measurement of 18.1 mm for 18.1 grain pellets interesting? I’m sure that none of the other caliber adjustments would line up so OCD! Thanks again.
thank you for these videos
Very well done, thank you so much
Thank you for that god helping video, and what an awesome gun!
this was very helpful. Thank you for your video !!!! thumbs up!
Hi great video just what we need it’s always a bit scary adjusting things, can I ask what different settings I need for .30 please.
Thank you i really needed this video. But why dont you use the hammer spring wheel insted of the the hammer stop to adjust?
Very Informative..thank you!
Thx for taking the time FX Gang.
Just loving my Impact Mk2 PP to bits.
Mine has been returned 5 times, it has never worked. They stole $4000 from me and wont give me a working gun. FX ARE SCUMBAGS FUCK FX
Brian T what’s wrong with it
@@jwollheim 5 broken cocking levers, 2 valves, bad gauges , poor machining on block caused bad pellet probe alignment, I got one of the poorly chamfered pellet probes too, and the power plenum leaked.
I had to pay the shipping on almost all the returns, so I am down hundreds there too. They never fixed it ,after 6 tries I did it myself and now it works. FX are totally incompetent.
Perfect. Thanks for the information
I am about to buy my first FX Impact MKII and am watching everything I can find on tuning. I would greatly appreciate it if you would make a more basic video than this one. Maybe explain why you are doing what you are doing, how the reg pressure interacts with the hammer adjustment wheel, why you do them in the order you did, etc. Why did you start at 920 and then drop down? Where did you come up with those numbers and why? Basic stuff that you guy take for granted, still needs explaining for those of us who are still learning. Thank you.
Great info! Thanks Earnest! Great starting point for tuning. I know I'm late to the party but can we get a Dreamline w/ power plenum tune? 😉
Thank, very helpful.
A good teacher. Even if I don't own a fx and probably never will. But they sure are awesome guns.
Excellent Ernest!!! Lots of people were waiting for this. 😀 Thank you!!
i was waiting for 2 years for this video , thank you a lot !
Amazing presentation
finally someone that knows what their talking about. Can i ask you what your opinion is on choosing a 25. or .30 caliber for 100 yards plus shooting
*Hello, good jobs, great videos.*
So I can just leave the air hooked up no worries. And itll be the same process per caliber yea. Nice video. REALLY INFORMATION!!!
Thanks Ernest
Wow Great Video..!!
The FX's ammunition system is very good, due to this in the rear part of the carbine, even with a 700mm barrel, the carbine is compact and does not lose precision.
Thanks Learned lots here! Curious... what would i use the hammer spring adjustment wheel for? since the adjustments are so course? All these tune videos show it on max. the set screw appears to bias the hammer spring tension between the the course settings like 4 and 5 or 5 and MAX. But why make the hammer spring wheel with such course adjustments? a redesign of the gun so i can fine adjust without need of Allen key (and taking off the stock, Crown) for example
When they say max out hammer spring. Do they mean max out velocity or keep winding screw in until it still in full contact with cam
Can you PLEASE do this for the FX Crown
Thank you this video it helped me very much, but Can you please make a video how to hammonic tune the impact, i just can’t get mine to shot
When will you have these for the Dreamline??
I don't have a meetured device to measure speed yet and I didn't get see the part where you have to have one to make adjustments... Now I know that it's better to NOT at all dry fire the Impact and which the book says its ok on minimum power obviously the book is without your instructions... (that was from other videos ) thnx again Earnest, I am certain that other's made the same mistakes... it is what it is. but thank you.
Your videos are excellent. These have really helped me enjoy my FX! Please tell me what brand of gun vice you show in this video. Thanks!
Thanks for the video awesome 👏
Hi Earnest, I just got my FX Impact MKII in .22 cal with the new "Power Plenum" regulator. My question is - Do the regulator adjustments you show in this video work the same or are they adjusted differently?
Great info
Great video Ernest. what is the cc in that small plenum? After this tune at 130 bar regulator pressure, Macro at Max, micro pre-load at 18 mm, valve spring 1-1/2 lines, or better yet 7.5 mm; how many shots from 250 Bar bottle to falling off regulator? And once falling off the regulator, how high does the next number of shots climb to in velocity?
Lastly, what is the hammer spring specifications? such as length, wire diameter, number of coils, inside diameter, and if you would know the spring-K value or type of metal.
Same for the valve spring. If you do not have such data, how can I purchase a valve and hammer spring for my analysis without the included gun?
Thank you
Absolutely brilliant. So clear and easy to understand and do ourselves.
I have couple questions. In uk we have to stick to sub 12ft/lbs. Would you say this is still worth doing for us? I know my given pellet weight so could easily find the fps I want to achieve.
Also on my impact m3 I set the micro adjuster but after about 50 pellets it’s moved in and I have to reset it. Is this normal? Should I put a drop of locktight blue on it to hold it?
Thank you! Plz make the same video for 25cal shooting jsb mk2’s 34 grain 700mm barrel! What feet per second do you recommend for efficiency and acuracy! Thank you
Stay below 59.6 fpe for best accuracy AND power combination then tune down, not up, to find the barrels harmonic resonance, which will be between 5 to 6 times the pellet speed at the muzzle, which pellet speed will be less than 78% the speed of sound at 26 degree Celsius. Regulator pressure will be around 145 Bar +/- 5 Bar, maybe a bit more. set your hammer spring preload tension half-way between full and minimum, as well as your valve spring. You will get the best equilibrium once you adjust your regulator pressure to get a hair below 59.6 fpe, now the fun part is to tune down, but not up to find your barrel's harmonic resonance and tune to exactly 5-1/5 of your pellet's velocity at the muzzle. All barrels, even from same lot manufactures one before the other will have different harmonic resonances, although close, but not exact. Besides a chronograph, a set of piezo sensors along the barrel and a digital storage oscilloscope, you can find the eluding resonant frequency, but once you remove the sensors, the resonant frequency will change by I don't know exactly how much, but you can deduce it by shooting groups above and below the tuned down velocity. Your the trainer and all athletes as well as guns are not the same, but this is why we shoot. Enjoy the sport. Stay safe and God speed.
I would like to know this as well. What is fpe? Is that metric? I am chrono at 960 FPS with 25 grain jsbs, 700 mm mkii pp. I am getting sub moa. I assume from where I am I just start working 10 shot groups for each setting on the power wheel, then look for the tightest group, but I don’t really understand the interaction and adjustment of the the two for optimization. I understand harmonic tuning for my center fire precision guns, but I am missing something on these air guns.
When can we expect the "Hot-Rod" kit for the Impact ( extended plenum etc. ) that you used to make ? Thank you Ernest.
Kimo Hogan x2. I need a little more juice for my 30 cal...
Amazing
Dear Ernest, a query: how much is the rate of rotation of the fx cannons and in which direction are those turns (to the right or to the left)? Thanks you
Hi Ernest,how will I know the regulator pressure on my FX Wildcat MKII 30cal and what is the best fps? Thanks
Just ordered my impact a few days ago and I can’t wait to get my hands on it. I’ve been a little intimidated by the tuning process but now I think I’ll have a handle on it! Really looking forward to emptying a few tins when I get it in! Thanks for this video!
Thanks for the video. I thought I knew where you were going with the tune - keep valve and hammer spring maxed and increase reg pressure until 920 fps was achieved and then back off the hammer spring to the ~900 fps range. I was wrong. Instead of backing off the hammer spring, you closed the valve a bit to drop fps to 900 range. I'm wondering why? Seemed to me that a bit lower hammer spring setting would have been better for the rifle. So why the valve adjustment instead?
Anyone know why?
This instructional video is outstanding! I learned more from this single video than from all other sources combined. very well done! thank you Ernest!!
Thank you for the video. I just received my barrel change kit (.22/500mm) for my Impact X MK2. I am going from a 600mm .30 to a 500mm .22 and I have a couple questions please sir. Since I will likely be going in the opposite direction to what you presented in this video do need to unscrew the bottle before each/every/any time I adjust the reg pressure down (clockwise)? In going from .30 cal to .22 / (18 gr pellet) and the shorter barrel, would you start by lowering the reg pressure from its current setting of ~145ish to around 130 -135psi and fine tune downward or would it be better to initially drop the reg more and work my way up (then back down) like you did in this video? What would I do initially with the hammer spring for each senario?
Thank you for your time.
Great job for the caliber 22 Ernest, as usual, but could you give us some références for the JSB Exact King 25.39 gr caliber .25.
I mean reg pressure, hammer spring set up distance at the power wheel, optimum fps, ...?
And, yes, for a Impact with Power Plenum!
I know, it's a great job but lot of us will greatly appreciate.
Great video. Do you have one for the m3? I may have picked up enough to adjustment I need. But if not m3 please
Great sir
Thank you .
im left handed and i want an impact i like the cocking lever on the right but is there a way to use the magazines on the left side for us left handers or what is the set up for left handers