R/C Tech Forums

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

Thread Tools Search this Thread
Old 12-17-2007, 11:28 AM   #1
Tech Regular
stanislow's Avatar
Join Date: Nov 2007
Location: Calgary
Posts: 318
Trader Rating: 4 (100%+)
Send a message via MSN to stanislow
Default TC4 gearing problem

i have a TC4 with a 13.5 novak brushless installed

current gearing is 29-72

i cant find any pinions that are 48 pitch in the size i was looking for

so what should i do to get the proper gearing as the 64 pitch guys??( you xray guys should know?)
stanislow is offline   Reply With Quote
Old 12-17-2007, 11:55 AM   #2
Tech Elite
edseb's Avatar
Join Date: Jan 2004
Location: Laguna Niguel, California
Posts: 2,422

Just figure out what your final drive ratio is and match with 64 p.
RC Car Action Editor and Photographer
Carl Hyndman
edseb is offline   Reply With Quote
Old 12-17-2007, 12:03 PM   #3
Tech Addict
gacjr0's Avatar
Join Date: Dec 2002
Posts: 726
Trader Rating: 15 (100%+)

a 72 tooth 48 pitch is like a 96 tooth 64 pitch
a 75 tooth 48 pitch is like a 100 tooth 64 pitch

your internal gear ratio is 2.5
an xrays internal pulley ratio is 1.7

try gearchart for charts or ideas on the gearing you're trying to reach

hope that helps
gacjr0 is offline   Reply With Quote
Old 12-17-2007, 01:50 PM   #4
Tech Adept
Elite-Driver's Avatar
Join Date: Sep 2007
Location: England
Posts: 134
Trader Rating: 2 (100%+)
Send a message via MSN to Elite-Driver

i run the same spur and i riun it on pro 4 , with a 3.5 turn , i have 13/72 and i change to maybe 19/72 . hope i helped ..
HPI Pro 4 - Driver
EA Motorsport's
Team Gas Cupboard
Elite-Driver is offline   Reply With Quote
Old 12-17-2007, 05:10 PM   #5
Tech Initiate
Join Date: Nov 2007
Location: Dayton Ohio
Posts: 32

Something you might try,work on mine.Now I know about roll-out and that,but I decided to something different.I put a 88t spur 64 pitch and started trying oval pinions,40t and up.Eveybody at the track thought the car was going to be a slug.Well that slug was blowing away the nitro cars during practice.Now with a brushed motor it was slower,but with brushless ,they can put out the torque all day. Just try it.Also I did have to grind off a small part of the motor mount,Very little. Running a 72t 48 pitch even with a 10.5 the x-rays and corallys were killing the TC4.Have a TC5 now and do the same,running a 88t 64pitch witha 52t PINION!
Once again everybody....WHAT. LOL... Now I tune by lap times and motor temp. ALL RIGHT LETS HEAR IT....IT WONT WORK.........LOL
TC5-TC4-KSG-Tekin-Novak-3PK-Hitec-PRS-Gears-John's BSR-Racing-Tires Tri-State Raceway In Hamilton ,Ohio-Much More-Spektrum Associated-Team Magic-APS-SMC Competition Electronics-Ice.
8up-Club Dayton,Ohio
108% Certified 8up
8up-racing is offline   Reply With Quote

Similar Threads
Thread Thread Starter Forum Replies Last Post
mf2 gearing help xxx-tkid Electric Off-Road 7 06-21-2006 07:16 AM
need help with t2 gearing etc. Got Xray? Electric On-Road 24 06-16-2006 06:00 PM
RC18T Gearing problem MikeWO Rookie Zone 0 06-16-2006 03:15 PM
need help on gearing the xxx b2k duckbutter Electric Off-Road 4 06-02-2006 04:30 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 06:04 PM.

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

SEO by vBSEO 3.5.0