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  1. Pollynator_bravo2

    Low fps could it be cylinder related?

    When you say timing do you mean when the nozzle moves forward and locates the bb into the feed lips before the piston sends the air down? Sorry if that’s a stupid question  also where should the nozzle locate to when it enters the hop again? I am not getting any miss feeding when the gun...
  2. Pollynator_bravo2

    Low fps could it be cylinder related?

    Probably length as it’s the same I used previously with a health fps. Maybe too short? What other lengths are there for an m4 v2gb?
  3. Pollynator_bravo2

    Low fps could it be cylinder related?

    Tbf I don’t think it’s over 400mm however I’ll check once I’m back home. Based on my poorly calibrated eyes I’m guessing between 350 to 370 in the past I’ve had similar platforms with nozzle related issues but I fitted an O ring to make sure the hop was as tight as poss to the gb/nozzle and the...
  4. Pollynator_bravo2

    Low fps could it be cylinder related?

    So it’s a V2 gear box, Maple leaf 60 degree bucking, no delay chip, 13:1 gears, 18000 ASG motor, Rocket v2 tappet plate, SHS nozzle 21.4mm, Gate EON protector cylinder head, EON Power hybrid cylinder head.   Hop unit looks like a basic rotary unit but it was what come with the shell/receiver...
  5. Pollynator_bravo2

    Low fps could it be cylinder related?

    This is the cylinder. I managed to find the invoice from when I brought it. I’m taking the gun apart this avo so I’ll measure the inner barrel
  6. Pollynator_bravo2

    Low fps could it be cylinder related?

    I’ll measure up and check 
  7. Pollynator_bravo2

    Low fps could it be cylinder related?

    useless picture I know but the only one I have currently. I think it’s about half way down to two thirds of the way
  8. Pollynator_bravo2

    Low fps could it be cylinder related?

    I’ve found a home for a gear box I had to take out of a polycarb body that broke. It’s got a M105 spring, eon piston head, cylinder head etc. The inner barrel on the previous gun was was under 300mm and I’d get a good 300fps on 0.25g. This guns inner barrel is over 300mm and I’m getting 215fps...
  9. Pollynator_bravo2

    Wednesday Random ?

    Cheers. I thought that might of been the case ?
  10. Pollynator_bravo2

    Wednesday Random ?

    I’ve just swapped a v2 gear box from a king arms m4 into a lancer tactical m4. Both v2 gbs.  all went ok until I went to fit the upper reciever back and it wouldn’t locate all the way back by 3-5mm. i swapped the hops over no change. When I remove the hop and inner barrel it locates perfect...
  11. Pollynator_bravo2

    M4 conversion

    Fair point. I’m gonna try make is at close to a m249 as poss. I’m cheap skating the golden eagle 6669 tbf lol
  12. Pollynator_bravo2

    M4 conversion

    Evening - has anyone ever moved an m4 over to an lmg. If so what did you do to modify it? sounds random but I’ve got an itch for an lmg build but have m4s to play with
  13. Pollynator_bravo2

    UTR45 Mag with a good spring

    Chaps and chapesses  Ive got the HPA engine working on my mates gun but I think he will need a better mag. It’s mid cap DE stock one. I don’t think PTS do one. Anyone know of a good place to try or is it possible to upgrade a mid cap spring?
  14. Pollynator_bravo2

    HPA conversion - DE UTR45

    Worked great thanks ?  Need to find a mid cap now with a good spring
  15. Pollynator_bravo2

    HPA conversion - DE UTR45

    Thanks. It’s on the job list for tonight ?
  16. Pollynator_bravo2

    HPA conversion - DE UTR45

    Epic I’ll give it a go
  17. Pollynator_bravo2

    HPA conversion - DE UTR45

    Afternoon So I’ve had a gun come my way (fk why) which has been converted to HPA. It’s using a Titan Bluetooth2 trig unit and a Pulsar-S open bolt HPA engine.  When you fire it the bb dribbles out the barrel (after you tilt it forward). When I put my finger on the barrel as I pull the trigger...
  18. Pollynator_bravo2

    One pew two bbs come out

    Yeah that’s got the issue more under control. I need to get the power down now to 1.44j as I’m a bit hot at 1.62
  19. Pollynator_bravo2

    New inner barrel

    Yeah I’ve got options. Once that’s done I need to get the power down a tad and I’m then sorted
  20. Pollynator_bravo2

    New inner barrel

    Yeah true. Found a 690mm on the links above so that will do
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