C+D gears

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AlvaSpeed1

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I remember seeing the specs of one of the Large Scale RC guys TT that he races with a different combination of C+D gears.


I can find that thread. I don't remember if it was here or in another forum.


What combinations are available?
 
Their MCD steel 23/26 gears , I've ran them for a year now, gives a slight difference in ratio by swapping them on the C and D.
 
Thanks, I have seen this chart before.


I wanted to know where do the other gear combinantions fall between the ones we are currently using.


I know if I use c26+d23 it is going to be a higher overall ratio. But how high? and how low with a c23+d26?
 
AlvaSpeed said:
Thanks, I have seen this chart before.I wanted to know where do the other gear combinantions fall between the ones we are currently using.I know if I use c26+d23 it is going to be a higher overall ratio. But how high? and how low with a c23+d26?
Click to expand...
Here is a table I made for the complete gearing optionsI don't warranty the exactitude of the result in this table so if you want to make your own calculation here is the formula(A/B) * (C/D) = Total RatioLUMAXGearing table.webp

/monthly_2009_06/583c6059a200d_Gearingtable.JPG.82e362e8a3869d2f28ef4b69d040d6cc.JPG
 
Here is a gearing table i made, there is no warranty in the exactitude of the table and the result but if you want to make your own calculations, here is the formula


(B/A) * (D/C) = Total Ratio


picture.php



LUMAX
 
Last edited by a moderator:
I thought that the A?B set had to be a total of 60 teeth and the c/d had to be 50?? Will only having 49 cause any problems or are they cut differently?
 
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