R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric Off-Road

Reply
 
Thread Tools Search this Thread
Old 12-03-2005, 07:19 PM   #1
Tech Adept
 
knucklebusta's Avatar
 
Join Date: Oct 2005
Posts: 107
Send a message via Yahoo to knucklebusta
Default XX-4 spur/pinion selection

Any help is appreciated. Noob here.

I have a xx-4, I just bought a GTB 5.5

It has the purple spur in it, which I believe is a 84T. Now with searches in this forum, I've come up with around 20T as what was recommended. However the Novak manual doesn't list a 84T pinion. The closest is a
82 which calls for 16 or 17. Any ideas? I don't want to overheat this motor.

Thanks, Kevin
knucklebusta is offline   Reply With Quote
Old 12-03-2005, 11:27 PM   #2
Tech Master
 
Join Date: May 2005
Location: michigan
Posts: 1,678
Trader Rating: 14 (100%+)
Default

You would be best to start off with an 17t pinion with the 82 spur and then work your way up to a 19 tooth pinion. Don't go any higher than that, I don;t have any experience with a brushless, but from what I have read, gearing these are critical, it would be better to undergear (smaller pinion) than to over gear (large pinion). A 20 tooth seems to large, and you probably think to yourself you don't want to wreck anything so quickly, so be safe and stay under the 20 tooth.
o.s. power is offline   Reply With Quote
Old 12-04-2005, 12:37 PM   #3
Tech Regular
 
SlobbaTech's Avatar
 
Join Date: Jun 2003
Posts: 423
Default

With a 10 turn motor I'd gear 7-8 over meaning 17-18 pinion. I don't know how the brushless compares to normal motors for power/gearing but I think you may need to gear them slightly taller......only problem is don't really know if you can consider/gear the brushless the same as a10 turn or more like 13 turn for example. So taking gearing info I gave you for 10 turn take that and call the manufacturer(Novak Electronics #949-8333-8873) and see what they have to say about gearing...takes little more effort to call them but they should know more than anyone else being they make the product.
SlobbaTech is offline   Reply With Quote
Old 12-04-2005, 01:20 PM   #4
Tech Adept
 
AE guy's Avatar
 
Join Date: Nov 2005
Location: MA
Posts: 122
Trader Rating: 1 (100%+)
Send a message via AIM to AE guy
Arrow

I'm a brushless guy too, I can help you out with what will run well and what will overheat. I have a friend with the same system too.

13-15 pinion, and about 82-87 spur gear depending on what you race. That shouldn't overheat and will run well. I have a 9 turn and I need about a 15-16 pinion gear in mine, 16 is the actual I use. I would only concentrate on what won't overheat, that motor is fast enough to push any "reasonable" pinion/spur you throw at it.
AE guy is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
1/10 ep spur and pinion set up? pilipinas Electric On-Road 0 08-22-2008 05:27 PM
Lot of 14 Pinion Gears, 2 Pinion Holders, and 3 Spur Gears (64 Pitch) MyRCTrader R/C Items: For Sale/Trade 4 02-04-2008 07:08 AM
Big Pinion / Small Spur - OR- Small Pinion / Big Spur -- Difference? rctoyguy Electric On-Road 7 07-12-2004 05:54 PM
TC3 Spur Gear Selection 48 pitch Cain Electric On-Road 8 05-04-2004 12:24 PM
Spur or Pinion? Mossie Australian Racing 5 01-29-2004 07:46 PM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 06:49 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net