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September 23rd, 2009, 19:09
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#1 |
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formerly moogy
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V 1 Mechbox
Hello guys.
I've been having fun upgrading a version 1 mechbox. Styrak sold me metal bushing, piston kit and a 110 prometheus spring. PS he is a great retailer. I put everything together. Some dremel work for the bushing. New head, new piston and new spring. Close and try... Gears turn and just stop... I loosened the screew for the mechbox (had a problem like that with a version 2 and it solve everything). Thing turn better but no complete cycle. Try a few time... now some smoke came out of the motor. So I stopped. I tried to crank the gears by hand and I couldn't crank hard enough to do a full cycle. So now I'm not sure where I should look for the problem. I the dremel one side tooth on the cylinder because it would backup in the gears. Thanks for any help
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~~~Honor The Game(tm)~~~ Last edited by TaktikAirsoft; September 25th, 2009 at 18:49.. |
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September 23rd, 2009, 20:24
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#2 |
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Check that it's properly shimmed (remove compression parts, screw the mechbox down, and see if you can spin the gears easily, they should do a rotation or a few rotations), or use a bigger battery.
Have you properly shimmed it yet? What battery are you using (mini, large, voltage, brand?)
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 Airsoft Sales and Repair/Upgrade Services |
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September 25th, 2009, 11:20
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#3 | |
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Just a question.
How the Hell did you manage to get the gearbox back together? I swear you need to have 4 Right hands to close the damn box.
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Do you know what ruins airsoft? (Chair), (Drama), (Air), (Sugar) softers, filthy casuals --- Quote:
WANTED PTW Receiver PRIME, STG, Factory |
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September 25th, 2009, 18:52
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#4 | |
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formerly moogy
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Everything moves fine until I get to the final compression part.
The motor move to 40% By hand I can get to 80% (just can't turn the gear 180 to the stopper) Battery is the mini 1400 Tenergy Quote:
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~~~Honor The Game(tm)~~~ |
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September 25th, 2009, 18:55
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#5 | |
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formerly moogy
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I used a flexible potato knife just under the firing switch to hold everything. Then I put the cover on from back to front and slowly remove the knife.
And voila Quote:
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~~~Honor The Game(tm)~~~ |
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September 25th, 2009, 19:44
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#6 | |
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Quote:
Secondly, Tenergy batteries are crap so it definitely doesn't have enough power. Get a bigger/better battery.
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Airsoft Sales and Repair/Upgrade Services Last edited by Styrak; September 25th, 2009 at 19:46.. |
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September 25th, 2009, 19:56
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#7 | |
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formerly Sepulcrum
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Quote:
And you might need a new motor if a better battery alone doesn't cut it. |
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September 25th, 2009, 20:00
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#8 | |
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formerly moogy
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What do you suggest as a battery?
Quote:
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~~~Honor The Game(tm)~~~ |
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September 25th, 2009, 20:01
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#9 | ||
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Considering the FAMAS has a custom High Speed motor for high rate of fire; it's just not designed for anything other than the stock (280 fps) spring. I'm gonna tell you flat out that the motor can't handle that spring for long.
Get a stock spring (M90) and keep your rate of fire, or an aftermarket motor like a G&P M120.
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September 25th, 2009, 20:01
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#10 | |
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formerly moogy
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What do you suggest as a motor?
Quote:
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~~~Honor The Game(tm)~~~ |
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September 25th, 2009, 20:08
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#11 | |
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formerly moogy
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OK then so I'm going for the G&P M120
Anyone you would recommend or a place to buy one? Quote:
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~~~Honor The Game(tm)~~~ |
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September 26th, 2009, 00:49
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#12 | ||
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www.airsoftparts.ca kicks all kinds of ass. Also www.redwolfairsoft.com or www.ehobbyasia.com.
You will need to modify it, though - the original FAMAS motors are not compatible with newer guns: http://www.airsoftcanada.com/showthread.php?t=29452
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September 26th, 2009, 09:59
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Will the V1 MB hold up to an M120?
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September 30th, 2009, 17:40
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#14 | |
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formerly moogy
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Well I got an aftermarket G&P M120 motor. But as you can see in the picture... it doesn't fit.
 So now what???? Quote:
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~~~Honor The Game(tm)~~~ |
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September 30th, 2009, 18:38
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#15 | |
 E-01
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Quote:
Actually, unless its a super old FAMAS, it should have an updated EG560HT which provides more torque (similar to a regular EG700). Extra ROF is provided by the gears (basically high speed gears): therein lies one of the problems with upgrading a FAMAS. That being said, I've upgraded a FAMAS to run a PDI 140% spring and it barely dented the ROF (~1000 rpm instead of 1100). The fact that in this instance the gearbox had to be loosened to crank properly leads me to believe something happened at the shimming level. It's also possible the bushings aren't seated right / too high / too loose (dremeled to fit.. that's kinda WTF-ish, if a gear's center axis is off the mark by even a fraction of a MM you'll end up with a massive failure -- which is kinda where you're at now) And no you can't replace the motor with an EG700 equiv. You need an EG560. (good luck)
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