I have gone through 5 modify Pistons (4 ultras 1 original).
what's unusual about the piston shredding is that it's the middle / metal teeth that are shredding. The first and last teeth appear to be fine except for the 1st piston
About the Gun
Ares m60e4
parts that i kept the same for all 5 trials
- 5100mAh 7.4 Lipo 25C (40c burst)
- Ares upgraded spring guide cylinder head
- 8mm Modify bushings / shims
- G&P m140 high torque motor
- modify piston head
- Modify M130+ spring (the mechbox is elongated so the m130+ is more like a m120+
- custom wood spring guide block
with the exception of the spring guide block, I have been running with the above parts for the last couple of years
And here are the different parts during my 5 Trials (I decided to upgrade to modify high torque gears)
Trial 1
- Modify High torque Nano-class gears
- non ported cylinder
- result: piston shred after 50-100 cycles
Trial 2
- Modify High torque Nano-class gears - stock sector gear (even higher torque ratio ratio)
- non ported cylinder
- result: instantly shredded piston
Trial 3
- too pissed off to remember
Trial 4
- stock gears
- ported cylinder type 1
- result: worked fine 2-300+ cycles
there was a noticeable loss in FPS due to the ported cylinder so i decided to switch back to non ported.
at this point the gun is set up the way i normal run with it with addition to the wood spring guide block
- result shredded piston after 100 cycles or so
Trial 5
- stock systema gears
- ported cylinder type 1
- result shredded piston after 100+ cycles or so
I manged to grab interesting pictures of the last trial failure
I would also like to add that I am using a wooded block to hold the spring guide in place. the original plastic part (propriety ares) broke last month
I have a feeling that this may be the cause? but how?
has anybody else experienced a piston shredding problem where only the middle teeth were effected?