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Gear ration calculator


RajunCajun

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How would I find out what my gear ration is just by using a selected gear and engine speed? Is this even possible? Reason being, I believe the person I bought the B2 from might have geard it.
 


hende

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you can do hub turns to yoke turns
 

RajunCajun

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Never thought about that, I got masking tape somewhere. Get on it in the a.m. Thanks buddy.
 

kimcrwbr1

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Lift both rear wheels off the ground and put it in neutral and count the turns.
 

PetesPonies

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Of course it possible, it's just math. But first . . "ration" ?? You mean ratio??
 

RajunCajun

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Of course it possible, it's just math. But first . . "ration" ?? You mean ratio??
I was on post for 13 hrs. Grasp that, and you'll understand my spelling error. I realized what I wrote after the fact. Life goes on.......
 

PetesPonies

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I figured, but you did it more than once :) So, explain again exactly what you want to do . . . consider me the math answer.
 

RajunCajun

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I figured, but you did it more than once :) So, explain again exactly what you want to do . . . consider me the math answer.
I needed to figure out what my gear ratio was, but I figured it out. Thanks though. Ha spelled it right that time......BOOM!!
 

PetesPonies

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Let me show you a very useful automotive formula. And if you can manipulate equations, you will see you can change it to solve for any one of the missing components:

. .. . . . tire radius * rpms
mph = -----------------
. . . . . . rear ratio * 168
 
Last edited:

kimcrwbr1

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What did the radio turn up being :)
 

RajunCajun

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What did the radio turn up being :)
LOL I aint did it yet. After post I ended up going fishing instead. Got my advancement exam in the morning, shortly after that I'll hop to it tuning that radio control bracket bushing arm......
 

PetesPonies

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I needed to figure out what my gear ratio was, but I figured it out.
LOL I aint did it yet.

huh?? You haven't done it yet? But you told me you did. I'm confused, but my formula is right on the money if you still need to do it.
 

RajunCajun

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huh?? You haven't done it yet? But you told me you did. I'm confused, but my formula is right on the money if you still need to do it.[/QUOTE

I meant I figured out how just haven't done it yet. I'll get on it today and let you know. Its my day off so I have a couple of things to do. I havent even submitted a photo of my B2 yet. Guess I can do that as well.
 

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