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XZIVR · November 12th, 2011, 18:50

Okay, something happened to my stock SRC gen III Pro gears in my V3 gearbox. The small gear on the bevel gear is free spinning on the shaft. No idea wtf happened there, but I'm just going to get a new gearset.

Since it seems to run perfectly fine on the stock gear ratio, I figured I would just count it out and buy the same thing. This is where the trouble starts.

I superglued the shaft back in so I could turn the gears in place and count out the ratio. So what I found is the bevel gear turns 8.75 times per one rotation of the sector gear. On all my other guns, it's more like 14-16.. So what the hell? I made sure nothing else was slipping and re-checked my count like 10 times but I get the same result each time. I therefore have no clue what I should do now. as far as what ratio to buy..

My motor is a G&P M120 and it's pulling a M120 spring for a ~420 FPS setup per local field limits. Running on a 1500mah 11.1 20C lipo.

I also don't understand the different way some gear ratios are stated. For example 14:1 AFAIK is rotations of the bevel gear to rotations of the sector gear. What is it when it's like 72:1? Or 100:200?

Any help much appreciated..

November 12th, 2011, 18:50	#1
XZIVR Trader rating Join Date: Mar 2011 Location: Calgary, AB	What gear ratio should I go with? Okay, something happened to my stock SRC gen III Pro gears in my V3 gearbox. The small gear on the bevel gear is free spinning on the shaft. No idea wtf happened there, but I'm just going to get a new gearset. Since it seems to run perfectly fine on the stock gear ratio, I figured I would just count it out and buy the same thing. This is where the trouble starts. I superglued the shaft back in so I could turn the gears in place and count out the ratio. So what I found is the bevel gear turns 8.75 times per one rotation of the sector gear. On all my other guns, it's more like 14-16.. So what the hell? I made sure nothing else was slipping and re-checked my count like 10 times but I get the same result each time. I therefore have no clue what I should do now. as far as what ratio to buy.. My motor is a G&P M120 and it's pulling a M120 spring for a ~420 FPS setup per local field limits. Running on a 1500mah 11.1 20C lipo. I also don't understand the different way some gear ratios are stated. For example 14:1 AFAIK is rotations of the bevel gear to rotations of the sector gear. What is it when it's like 72:1? Or 100:200? Any help much appreciated.. Last edited by XZIVR; November 12th, 2011 at 18:56..