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2 Speed Trans gearing help needed please.

jandmt

Senior Member
Messages
128
I'm thinking if picking up a 2 speed Trans for my dunerunner. What gearing would give me good take off and good top speed?
 

jandmt

Senior Member
Messages
128
Where can I find this calculator chart?
 

jandmt

Senior Member
Messages
128
Found the calculator. Thanks! But I need to know what the stock gearing is on the dune runner, anyone?
 

jandmt

Senior Member
Messages
128
rcgasser said:
I run 37/19 on my DR super great take off and good top speed.
Which 2 speed are you running?
 

Phill

Well-Known Member
Messages
2,453
Location
The Rock QLD Au
jandmt said:
Found the calculator. Thanks! But I need to know what the stock gearing is on the dune runner, anyone?
Mine came with 35/25/25/25 - WAY too slow on top speed

Now run 29/31/25/25

Great all round ratio with great takeoff and good top speed
 

GCraig

Member
Messages
53
Does anyone here know how to get in touch with DemonRC in Houston Tx. I have been sending emails to them all week and getting no response back. Pease help me.
 

rcgasser

Senior Member
Messages
2,383
Location
Atlanta, GA
That is the 2 speed that demon started out with then they had to split so demon redesigned to make a better one. I would like to know how he is posting 2 different 2 speeds if you look at the pics they are not the same and the end pics are stolen from demon rc.
 

jandmt

Senior Member
Messages
128
Maybe they have stolen the new demon design. It would be interesting to order the silver one from them to see how it looks.
 

Greggfromohio

Senior Member
Messages
255
That's odd, especially since there is two different 2 speeds in the photos. It certainly looks like the design is stolen from demon
 

rcgasser

Senior Member
Messages
2,383
Location
Atlanta, GA
Also he has no parts for his so if you wanted to change to different gearing or you need to replace a gear you have striped how are you supposed to get replacement parts.
 

jandmt

Senior Member
Messages
128
By the looks of it, demonrc parts look like will fit it. Can't beat the much cheaper price though.
 

rcgasser

Senior Member
Messages
2,383
Location
Atlanta, GA
No his parts will not fit the unit you will be getting is the first pic the gears and the one way washer was completely redesigned and different size gears. A completely different unit.
 
Last edited by a moderator:

jandmt

Senior Member
Messages
128
rcgasser said:
I run 37/19 on my DR super great take off and good top speed.
Is your top speed better with that gear ratio? Or were you more after better takeoff.
 

Jaybone9086

New Member
Messages
3
I'm also putting in a 2 speed transmission find the demon transmission and I'm still trying to figure out what gears I should run I put in a 45cc motor so was thinking my second gear but don't know what gears to put in please help
 

Jaybone9086

New Member
Messages
3
sorry was using voice type Can not find the demon transmission for my Rampage Mt and with my 45cc motor want to know what gears I should put in for nice torque and a high-speed
 

Steven

New Member
Messages
1
Found the calculator. Thanks! But I need to know what the stock gearing is on the dune runner, anyone?
hey guys, could someone tell me where to find the calculator chart that was mention in earlier conversation.
 

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