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Post by Dean on Feb 14, 2010 18:52:54 GMT
i have got a nosram matrix evolution istc and a speed passion 17.5 motor what would the final gear ration have to be to race outdoors?
help?
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Post by darrenoakley on Feb 14, 2010 19:44:51 GMT
Im no expert but going by all the great advise I have been given buy more experienced members(I must have been a pain) I would think 5.00 would be about right. Having said that all motors are different. It is about right for me with the EA due 17.5. But if I run the Losi at that it would be screeming  Come on Les,Matt,Rueben,Jason,Terry ? ;D |
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Post by jamietraylor on Feb 14, 2010 20:04:08 GMT
Hi dean I would say if its the older istc(not stock spec) you would probably end up nearer 4.00 but the only thing you can really do is start of safe which 5.00 would be very safe and temp check after 5 minutes and gear up untill you come off at about 70-75 centegrade after 5 minutes.
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Post by Dean on Feb 14, 2010 20:23:23 GMT
thanks darren and jamie
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Post by Reuben on Feb 14, 2010 21:09:47 GMT
I ran my LRP Sphere TC, which is the same as the Matrix ISTC (not stock spec version) with a speed passion 17.5 at 3.51 final drive ratio at bashley.
I would start around 3.8 / 3.7 and check temps after 2 minutes, 4minutes and then 5. and gear up or down from there.
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Post by yellowshark on Feb 14, 2010 21:14:20 GMT
Yup agree with Reuben, Ross is running an ISTC and we have his Nosram Storm running at 3.6
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Post by lesbaldry on Feb 15, 2010 7:48:18 GMT
With that speedo motor combo (torquy motor) Deffo in the Mid 3's,even as low as 3.2.
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Post by darrenoakley on Feb 15, 2010 8:36:12 GMT
Shows what I know Dean. There all diffrent mate.
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Post by Dean on Feb 15, 2010 12:11:31 GMT
thanks for the help everyone
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