The Incredibly Easy Way to Convert Your Ascender to 32P Gears

[svt923]

So many people have asked about converting their Ascenders to 32P gears with no real good answers. Previously, the best option was the 51T spur from the Losi XXX-NT which is really hard to find and limits gearing of pinion/spur ratios to about 4:1 on the low end. Limited gearing and impossible to find parts don't exactly make an ideal conversion.

My goal was to convert my truck to 32P gears using common parts and keep my slipper. So to make this happen, here is what you need:

1: Associated 32P spur from the GT2 truck. These are available in 54-56T, I used the 54T in the pictures (Associated part # 7955)
2: Associated slipper pads from the RC10B4/B5 series of vehicles. Associated part # 7495 or 7485 will work (7485 is shown in the pics).
3: Associated slipper pads, part # 91170 or 9603 (91170 is shown).

The total cost for the parts from Tower was about $19.

The conversion is as simple as slipping off your stock parts and slipping on the Associated ones. No modifications required.





There you go, all the fun of the Ascender with the durability of 32P gears. I have not tried all possible combinations but I believe the smallest gearing that will fit is 56/10 (about the same as a 15T pinion on the stock spur) before the motor hits the trans case. The 56T spur is slightly smaller in diameter than the stock 86T spur so the gear cover should fit over everything and it will work with the GCM conversion.

Hopefully someone finds this bit of information useful.

[Natedog]

Although I haven't had any problems with the 48 pitch setup (it runs much smoother and quieter than any of my Axial 48 pitch setups), this is great info thanks for taking the time to detail it all here with part numbers and pics! This is especially useful for running big power!

[bilinvic]

Definitely good to know...thanxs for posting this thread.

[svt923]

Originally Posted by Natedog

Although I haven't had any problems with the 48 pitch setup (it runs much smoother and quieter than any of my Axial 48 pitch setups), this is great info thanks for taking the time to detail it all here with part numbers and pics!

I haven't had any problems with the stock gears either, they are pretty stout for 48P. One of the added benefits is my Ascender now uses the same pinions as my 5 other trucks, no more buying pinions just for 1 truck.

Originally Posted by bilinvic

Definitely good to know...thanxs for posting this thread.

[rc2000]

Thanks man, worked great. All the parts are on EBay and there cheap.

[SMFtwstdHICK]

Sorry, I am terrible when it comes to the ins and outs of gears for these rigs... What does this mod achieve? Does it give you more torque? Speed? Is it just for durability? I am not knocking this , or any mods of any kind. I am just in the dark when it comes to this stuff. I usually build, plug in and go..

For instance, I just finished my two speed tranny on my Ascender. I was thinking of getting another spur gear. Maybe like the one in the Twin Hammers.

Would a 32P help me get a little more speed outta my two speed? I am running a 45t motor right now. I ran a 55t with my RC4wd 2-speed on my last rig.

So, I am just wondering, that is all.

[Turtlejon]

The main benefit of the 32p is the durability of the gears themselves, as each tooth is quite a bit larger. The ratios determine the speed / torque. To get more speed you could raise the ratio with a smaller spur or Larger pinion, or move up to a 3 cell battery.

[svt923]

Originally Posted by SMFtwstdHICK

Sorry, I am terrible when it comes to the ins and outs of gears for these rigs... What does this mod achieve? Does it give you more torque? Speed? Is it just for durability? I am not knocking this , or any mods of any kind. I am just in the dark when it comes to this stuff. I usually build, plug in and go..

For instance, I just finished my two speed tranny on my Ascender. I was thinking of getting another spur gear. Maybe like the one in the Twin Hammers.

Would a 32P help me get a little more speed outta my two speed? I am running a 45t motor right now. I ran a 55t with my RC4wd 2-speed on my last rig.

So, I am just wondering, that is all.

As Turtlejon said, the main benefit is durability. You can see in the picture comparing the parts that the teeth if the 32P gears are much larger. It also allows you to share pinions with other trucks since many manufacturers have moved to 32P.

You will have no problem gearing up for more speed with 32P as the smallest gearing that I believe will fit is 56/10 which equates to about 1 tooth higher on the pinion from the stock ratio of 86/14. Gearing isn't an exact science, there is a bit of trial and error needed to find the balance of speed, torque, and motor temperature that is right for you.

[Big Bill]

Good info here, I never understood the 48 pitch on Off Road RCs. When I raced On Road cars we used 48 and 64 pitch. The 32 is sometimes a little louder but I like it, almost sounds like the gear whine of a Transfer Case in Low Gear.

[SMFtwstdHICK]

Thanks for the information!.. I can see the difference.

I think I am running a 14 tooth pinion right now with my Stock Ascender Spur gear. Maybe I will try this route. I know when running my RC4WD 2speed, the gears look more like 32P...

Have to do some more investigating.


Thanks again.

[963567]

Does it work with stock pinion? If not maybe you can advise some options?

[svt923]

Originally Posted by 963567

Does it work with stock pinion? If not maybe you can advise some options?

The 32P gears do not work with the stock pinion. I use Robinson Racing pinions but you can get them from Axial, Traxxas, Novak, and Associated to name a few others.

[963567]

Sorry for my persistance but what RR pinion (9,10,11,12, etc.) would you suggest with 54 Assosiated spur? What's the optimal option? My gearing since is weak yet. Thanks!


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[svt923]

Originally Posted by 963567

Sorry for my persistance but what RR pinion (9,10,11,12, etc.) would you suggest with 54 Assosiated spur? What's the optimal option? My gearing since is weak yet. Thanks!

Optimal gearing will depend a lot on what motor and battery you are running. 11T would be a good starting point.

[963567]

Originally Posted by svt923

Optimal gearing will depend a lot on what motor and battery you are running. 11T would be a good starting point.

I run stock 35t motor and 2s lipo. Thanks for advise!


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[Mongol Pete]

Originally Posted by svt923

So many people have asked about converting their Ascenders to 32P gears with no real good answers. Previously, the best option was the 51T spur from the Losi XXX-NT which is really hard to find and limits gearing of pinion/spur ratios to about 4:1 on the low end. Limited gearing and impossible to find parts don't exactly make an ideal conversion.

My goal was to convert my truck to 32P gears using common parts and keep my slipper. So to make this happen, here is what you need:

1: Associated 32P spur from the GT2 truck. These are available in 54-56T, I used the 54T in the pictures (Associated part # 7955)
2: Associated slipper pads from the RC10B4/B5 series of vehicles. Associated part # 7495 or 7485 will work (7485 is shown in the pics).
3: Associated slipper pads, part # 91170 or 9603 (91170 is shown).

The total cost for the parts from Tower was about $19.

The conversion is as simple as slipping off your stock parts and slipping on the Associated ones. No modifications required.





There you go, all the fun of the Ascender with the durability of 32P gears. I have not tried all possible combinations but I believe the smallest gearing that will fit is 56/10 (about the same as a 15T pinion on the stock spur) before the motor hits the trans case. The 56T spur is slightly smaller in diameter than the stock 86T spur so the gear cover should fit over everything and it will work with the GCM conversion.

Hopefully someone finds this bit of information useful.

SVT,

Just to say thanks! I ordered the 32p conversion parts you suggested along with Rob Racing 32p 11t and 12t pinions. Sounds like a newb-friendly and worth while mod.

Cheers,
MP

[svt923]

Originally Posted by Mongol Pete

SVT,

Just to say thanks! I ordered the 32p conversion parts you suggested along with Rob Racing 32p 11t and 12t pinions. Sounds like a newb-friendly and worth while mod.

Good to hear.

I changed my gearing to 56/10 shortly after I made this thread and haven't touched it since. Very solid setup for very little effort.

[Mongol Pete]

Originally Posted by svt923

Good to hear.

I changed my gearing to 56/10 shortly after I made this thread and haven't touched it since. Very solid setup for very little effort.

Why did you switch from 54/12 or 11 to 56/10 please?

[svt923]

Originally Posted by Mongol Pete

Why did you switch from 54/12 or 11 to 56/10 please?

To gear down more and get the top end speed where I wanted. All my trucks have overall gearing somewhere around 40-50:1 and the 56/10 gearing puts the Ascender at 41:1. That is my preference based on the motor, voltage, and driving style I typically run so things may be a little different for you.