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Old 07-22-2012 | 04:59 AM
  #33  
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Grasschopper
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Originally Posted by cadillac
can i ask for some gearing help?

now:
losi xxx-sct
tekin rs blinky
reedy sonic 17.5
stock timing 20 degrees
78/23
thunder power g6 pro race 5300 65c 2s
sdrc raceway: med to high bite indoor off road clay track

i think i need to go to a smaller spur gear. my motor was toasty after a 10 min run. i was getting killed on the straight by a tekin 17.5. what fdr should i aim for and why?
I have the same truck and it was suggested by Casper to go 26/76 for 17.5 blinky. FDR around .

http://www.gearing.rcgearhead.com/Gearing/Browse If you put in the XXX-SCT at this link with say a Novak Ballistic 17.5 motor it will also tell you very near 7 for FDR....interestingly if you put in the Tekin Redline 17.5 it will say 8.34 FDR. I have no clue how that thing picks the FDR.
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