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Old 04-19-2014, 05:16 AM   #1
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Default 64p spur gears?

I have been running 48p spur gears for a while but I want to start racing so I need 64p to get the fdr I need. Naturally, I have a few questions as I've never actually seen a 64p in person yet.

1. How long will a 64p pinion and spur last in a clean track environment, 21.5t touring? Assuming they have been meshed correctly

2. I want to stick with ONE brand of pinions and spurs. I'm considering Kawada since I can get them easily and I need something in the 72-76t range. Anyone know why this spur costs alot more than others? Are they durable? http://www.rcmart.com/kawada-sm6476-...r-p-37136.html
I'm also considering Robinson racing, a bit harder to get but much cheaper.

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Old 04-19-2014, 06:32 AM   #2
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64p gears will give you a more precise fdr, but you don't need to switch to 64p gears. On a clean track surface they should last for ages. I have always run 48p gears in my touring cars. If anything 64p is smoother than 48p.
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Old 04-19-2014, 07:08 AM   #3
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Quote:
Originally Posted by TB03Racer09 View Post
1. How long will a 64p pinion and spur last in a clean track environment, 21.5t touring? Assuming they have been meshed correctly

2. I want to stick with ONE brand of pinions and spurs. I'm considering Kawada since I can get them easily and I need something in the 72-76t range. Anyone know why this spur costs alot more than others? Are they durable? http://www.rcmart.com/kawada-sm6476-...r-p-37136.html
I'm also considering Robinson racing, a bit harder to get but much cheaper.
1.) Very long. If meshed correctly and with a clean track, the only thing that might kill a spur prematurely is a crash - and even that happened very rarely to me. I've always (and only) raced TCs with 64dp, maybe killed 1-2 a year at max.

2.) I really haven't tried or watched much for specific brands in the past. I know that Kimbrough or Panaracer are good as well. Sorry, all I can say.
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Old 04-19-2014, 07:25 AM   #4
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http://xenon.ocnk.net has the best pinion and spur gears. That Kawada gear is priced like that because it is machined not molded making it more precise but also more expensive.
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Old 04-20-2014, 05:54 AM   #5
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http://xenon.ocnk.net has the best pinion and spur gears. That Kawada gear is priced like that because it is machined not molded making it more precise but also more expensive.
Machined! what might that be useful for. I wonder how much power is lost in a gear... if it was machined you might save some of that but how much?
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Old 04-20-2014, 06:45 AM   #6
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Machined gears are more precise and the mesh is more uniform all the way around the gear. If you have a gear that has a high or low section, you can't set the mesh equally all the way around. This can lead to a tight spot causing a bind or a loose spot which can lead to a stripped gear.
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Old 04-20-2014, 10:18 PM   #7
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I looked around for 64P gears today as well....seems RR has machined 64P spur gears and I'll order the proper pinions from them too. Pricing is reasonable.
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Old 04-20-2014, 11:47 PM   #8
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Shopviperrc.com carries ARC spur gears which are made from delrin which are very precise and true.
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