JG M16A1 low range???
- Thread starter ronin677
- Start date
Sitting Duck
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- May 11, 2014
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Thing is the moment you start tinkering with hop-up's there is always a chance you can actually make it worse before you make it better
After have a nightmare on my 416 - 3 x hop units ok none of them hi end but jeez what mixed results I was getting.......
stock one max fps but feeding issues on higher speed full auto
new metal (cheapo) one tiny tiny drop if fps but nice feeding - would of ran with this but hop wasn't very effective
crappy plastic one - feed perfectly but quite a drop in fps.....
breifly explain - ShortStroke 2 teeth and was expecting to come down from hot 395fps TWG to about 350/360ish on stock spring
dunno but must of got seals bang on in box even doing AOE which loses a smidge - still getting 385 to 390 on stock hop
Metal one performed well feed & 360ish fps wise but not able to control a straight line like others - probably bad bucking or bad install
eventually improve the crappy plastic one from dropping to 270fps to about 340 - still not perfect flight on a 407mm tbb but decided to go with that for a game
My theory is there is a fine line as nozzle travels - probably this total travel may only be about 8 or 9mm - 6mm to feed a bb with a mm or two either side
to load and push bb & seal to hop in one smooth transition
The 3 hop units were different especially metal Vs stock hop and I also feel the total travel may not have say 9mm but more like 8mm
this is despite me shaving tappet to increase start/finish position of nozzle, ensuring and try a few different tappet plates to ensure it travels back as much as possible without bending up at the end too much as it hits the end of cam travel
one tappet when fully pulled back had a good 1 or 1.5mm slack - I could push nozzle further back home against head so 8mm travel was probably 7mm
way too little to feed n seal properly - more reopening of box again
refit best possible tappet I could find - also noted the tappet plates vary a bit - the one I'm using has the nozzle mount U "ridge" slight forward of tappet mount - where as shs tappet the nozzle ridge was further back and nozzle sat a smidge further back on the shs tappet plate
(possible better feed but not so great rammed home against bucking to seal)
Jeez what a f*cking nightmare and it seems to like mid-caps than high caps
Never experienced so much grief - they normally punched as expected or there abouts
and yes the red shs nozzle was same size or nigh on exact same size as stock nozzle fitted
so wasn't expecting to grind nozzle which I decided against as if too much removed I could be boned
Yeah I feel ya pain - the fps drop could be the nozzle not quite sealing 101% on the lip of the bucking
that is where you might be losing and not the gun/box itself
Yeah right pain in the ar$e I know
After have a nightmare on my 416 - 3 x hop units ok none of them hi end but jeez what mixed results I was getting.......
stock one max fps but feeding issues on higher speed full auto
new metal (cheapo) one tiny tiny drop if fps but nice feeding - would of ran with this but hop wasn't very effective
crappy plastic one - feed perfectly but quite a drop in fps.....
breifly explain - ShortStroke 2 teeth and was expecting to come down from hot 395fps TWG to about 350/360ish on stock spring
dunno but must of got seals bang on in box even doing AOE which loses a smidge - still getting 385 to 390 on stock hop
Metal one performed well feed & 360ish fps wise but not able to control a straight line like others - probably bad bucking or bad install
eventually improve the crappy plastic one from dropping to 270fps to about 340 - still not perfect flight on a 407mm tbb but decided to go with that for a game
My theory is there is a fine line as nozzle travels - probably this total travel may only be about 8 or 9mm - 6mm to feed a bb with a mm or two either side
to load and push bb & seal to hop in one smooth transition
The 3 hop units were different especially metal Vs stock hop and I also feel the total travel may not have say 9mm but more like 8mm
this is despite me shaving tappet to increase start/finish position of nozzle, ensuring and try a few different tappet plates to ensure it travels back as much as possible without bending up at the end too much as it hits the end of cam travel
one tappet when fully pulled back had a good 1 or 1.5mm slack - I could push nozzle further back home against head so 8mm travel was probably 7mm
way too little to feed n seal properly - more reopening of box again
refit best possible tappet I could find - also noted the tappet plates vary a bit - the one I'm using has the nozzle mount U "ridge" slight forward of tappet mount - where as shs tappet the nozzle ridge was further back and nozzle sat a smidge further back on the shs tappet plate
(possible better feed but not so great rammed home against bucking to seal)
Jeez what a f*cking nightmare and it seems to like mid-caps than high caps
Never experienced so much grief - they normally punched as expected or there abouts
and yes the red shs nozzle was same size or nigh on exact same size as stock nozzle fitted
so wasn't expecting to grind nozzle which I decided against as if too much removed I could be boned
Yeah I feel ya pain - the fps drop could be the nozzle not quite sealing 101% on the lip of the bucking
that is where you might be losing and not the gun/box itself
Yeah right pain in the ar$e I know
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