2s lipo gearing?

[reod12x2]

whats a good gearing for 2s lipo?

[Jimmie Neutron]

23/50 is what I use in my MERV.
You could probably go a little more aggressive due to the smaller tires.

[prototyp]

The stock 28/45 seems fine with the body on. If you have good esc/motor-cooling airflow then the "speed pinion" 31/45 works too (and is a fair bit faster). I see zero heat issues running that gearing with the TRX heat sink and an open or vented top.

[maddemaxx]

i am running 24/50 in my rally and its warm to the touch after a 2s 1500 pack , no where near as hot as it was with the stock gearing

[arcaptainic]

Hey prototyp, your killing me with these photos you stick in with your posts. Your rally looks wicked cool. Can't wait to see a thread of "how to" from you for your underbody.

Sorry reod12x2 for going off topic.

[prototyp]

Maddemaxx makes a good point... It's not a simple matter of the battery hooked up and more how and where you're running. If things heat up, you'll want to gear down.

I have a pretty wide-open and very fast T-shaped "course" I run. High speed = high airflow, and with only three slow corners, relatively little accelerating from low speeds.

[maddemaxx]

this is the track i first ran it on and it was bone stock right out of the box...when it was done and i reached in to turn it off it was to hot to touch.



i believe these are geared way to high from the get go and that's why they are having trouble with them shutting down and burning up the esc.

[Jimmie Neutron]

Hot to the touch doesn't mean much.

160° is the electronic sweet spot for many RC's.
Anything above 140° is hot to the touch.

[maddemaxx]

ok, it was to hot to touch...like holy $#@* hot