Mini LST Transmission Drive Ratio ?  
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Mini LST Transmission Drive Ratio ? - 2/12/2006 9:46:36 PM   
zwoop


 

Posts: 37
Joined: 12/10/2005
From: Santa Clara, CA, USA
Status: offline 		Hi,

Does anyone have the "definitive" Transmission Drive Ratio for the Mini-LST (stock transmission)? I read the "Hopping up your Mini-LST" articles, which indicates the transmission ratio is about 7.4. But, looking at the gears, I'm guessing it's more like 7.0? Anyone know for sure?

Thanks,

-- leif
       Post #: 1

RE: Mini LST Transmission Drive Ratio ? - 2/12/2006 10:43:16 PM   
mycarisaser


 

Posts: 1471
Joined: 2/17/2004
From: poplar branch, NC, USA
Status: offline 		Its 7.37

(in reply to zwoop)
       Post #: 2

RE: Mini LST Transmission Drive Ratio ? - 2/12/2006 11:17:30 PM   
zwoop


 

Posts: 37
Joined: 12/10/2005
From: Santa Clara, CA, USA
Status: offline 		Cool, thanks! Where do you find this information? You calculated it yourself?

< Message edited by zwoop -- 2/12/2006 11:24:49 PM >

(in reply to mycarisaser)
       Post #: 3

RE: Mini LST Transmission Drive Ratio ? - 2/14/2006 12:32:07 AM   
mycarisaser


 

Posts: 1471
Joined: 2/17/2004
From: poplar branch, NC, USA
Status: offline 		I went to horizon hobbies web page and found some gear ratios that they were using and did the math my self.

(in reply to zwoop)
       Post #: 4

RE: Mini LST Transmission Drive Ratio ? - 2/14/2006 1:03:24 AM   
zwoop


 

Posts: 37
Joined: 12/10/2005
From: Santa Clara, CA, USA
Status: offline 		Yeah, I did the same, and got it to be the same as you (7.37). But then I went and actually looked at the transmission gears, and I can't quite figure out how they get to 7.37... The engine drives a 14T, which connects to a 19T, and the final gear is a 38T (unless I of course counted wrong, none of these are "labeled" . Would that calculation be 14 / (38/19) ???

Thanks!

-- Leif

(in reply to mycarisaser)
       Post #: 5

RE: Mini LST Transmission Drive Ratio ? - 2/14/2006 3:03:32 AM   
mycarisaser


 

Posts: 1471
Joined: 2/17/2004
From: poplar branch, NC, USA
Status: offline 		Well you have to look at the tranny gears and the diff gears to get the final drive ratio

(in reply to zwoop)
       Post #: 6

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> 1/16th, 1/18th, Mini & Micro RC Cars >> Mini LST Transmission Drive Ratio ?
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