Airsoft Canada
BuyAirsoft

Go Back   Airsoft Canada > Discussion > Doctor's Corner
Home Forums Register Gallery FAQ Calendar
Retailers Community News/Info International Retailers IRC Today's Posts

Hi capa Standard Division build problems- Weak blow back, not cycling completely

:

Doctor's Corner

Reply
 
Thread Tools
Old March 5th, 2016, 00:56   #1
spartan117
 
spartan117's Avatar
 
Join Date: Sep 2007
Location: Vancouver B.C
Hi capa Standard Division build problems- Weak blow back, not cycling completely

So i recently started to build a standard vision Hi capa from the the ground up using Airsoft Masterpiece complete SAI slide kit and frame. However i'm running into weak blowback issues. The gun only cycles half way and doesn't allow the hammer to engage all the way.

Its definitely not the upper assembly since i tried it on another frame and it works properly(there isn't much there that could affect it honestly other than the nozzle and blow housing assembly and piston). I've checked the inner parts and the sear, valve knocker, hammer, valve reset, and disconnector seem to all work properly (as in it does engage when i manually pull it back and releases, as well as resets the trigger). It just doesn't cycle all the way when its actually being fired.

Any ideas what could be the issue?

Currently using a guarder 150% recoil and hammer spring with shock buffers. Frame, valve knocker and sear and Airsoft masterpiece and the hammer is UAC with a nova hammer strut.

Any help would be much appreciated. Thanks!

Last edited by spartan117; March 5th, 2016 at 00:58..
spartan117 is offline   Reply With Quote
Old March 5th, 2016, 15:00   #2
jordan7831
will always be Mike Litoris in our hearts
 
jordan7831's Avatar
 
Join Date: Jul 2004
Location: North York - Toronto
Does a slide from another hi capa function on the lower of your gun? Perhaps the gas is getting cut off too early by the blow back unit.
__________________
Quote:
Originally Posted by FirestormX View Post
YOU. ARE. MIKE. LITORUS. And if anyone mocks you, tell them they can suck it!
jordan7831 is offline   Reply With Quote
Old March 5th, 2016, 15:24   #3
jamuke
 
jamuke's Avatar
 
Join Date: Dec 2008
Location: Trono
Is it venting gas when it stops half cycle?

Did you try with a no gas in mag ,no slide on to see how the valve striker connects with the release valve on the mag.

SOmetimes when you tighten the grip to the frame you can put a slight forward or backward tilt as to how the mag meets the striker through the grip magwell alignment

SOmetimes you can overtighten the grip screws as well as the piston housing screw to the
slide and cause finicky issues

Did you upgrade the mag feed lips or gas route buckings ? Those can cause certain issues as well
__________________
jamuke is offline   Reply With Quote
Old March 5th, 2016, 17:33   #4
spartan117
 
spartan117's Avatar
 
Join Date: Sep 2007
Location: Vancouver B.C
Nope it is not venting gas when it half cycles. The valve is hitting the valve properly. I tried another slide is it functions much better. Mags are completely stock except for the upgraded nineball rubber.
spartan117 is offline   Reply With Quote
Old March 5th, 2016, 17:35   #5
spartan117
 
spartan117's Avatar
 
Join Date: Sep 2007
Location: Vancouver B.C
Quote:
Originally Posted by jordan7831 View Post
Does a slide from another hi capa function on the lower of your gun? Perhaps the gas is getting cut off too early by the blow back unit.
I tried a stock blowback unit and it does the same thing. I tried the slide on another Airsoft masterpiece frame and it works much better
spartan117 is offline   Reply With Quote
Old March 5th, 2016, 17:37   #6
spartan117
 
spartan117's Avatar
 
Join Date: Sep 2007
Location: Vancouver B.C
Update I messed with the leaf spring a bit and now it cycles fully (but weak) more than before but sometimes it still cycles half way
spartan117 is offline   Reply With Quote
Old March 6th, 2016, 19:28   #7
spartan117
 
spartan117's Avatar
 
Join Date: Sep 2007
Location: Vancouver B.C
update: I put in a factory hammer spring and noticed a huge difference in cycling but still wasn't 100%. I cut it down by about 2 coils and now it seems to function really well.

But this still seems like a temporary fix to me, i shouldn't have to cut down a factory spring for the gun to work properly.

Has anyone else encountered this issue before?
spartan117 is offline   Reply With Quote
ReplyTop


Go Back   Airsoft Canada > Discussion > Doctor's Corner

Bookmarks

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Airsoft Canada
BuyAirsoft

All times are GMT -4. The time now is 18:47.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.