Losi LMT Roller, motor options

RickDizzle

Isaiah 41:10
PLUS member
Build Thread Contributor
Messages
962
Ok ok...not large scale and not brap ..its an E-word rig I know. But I wanted a grab and go bash rig. So I swooped up a Losi LMT roller on sale to build a nice grab and go basher.
On to my questions...anyone running one and what motor ESC combo you running?
I am looking at grabbing a Castle Mamba Monster X with a Castle 1515 (2200kv) motor. Really a good set up for a 1/8 rig, but can handle 3s-6s. I am not a huge knowledge buff on kv and brushless set ups. Not sure if it will be under powered running 3s lipos. Trying to find a good balance of speed and torque. Any thoughts?
I know everyone always wants pics...so here are a couple...lol!
20220424_132857.jpg

20220424_133034.jpg
 

deathrawt

Well-Known Member
Messages
158
I've been debating on getting one of these as they are pretty darn cool
The RTR model I think is good for 4s and they have tons of power
that castle system should work good in it
 

gavsta72

Well-Known Member
Messages
191
Location
NSW, Australia
Run the Castle 2200kv combo on 4S, it will have enough power on 3S, but too slow

Kv is the RPM per volt, Losi is recommending a 3150kv motor on 3S, which is a smaller 1/10 size motor. That Castle combo is 1/8 as you mentioned, and will deliver more power with less heat

So number crunching time......

2200kv on 4S will be roughly 35k rpm
3150kv on 3S will be roughly 37k rpm
The 2200kv on 3S will only be 26k rpm

A bit more rpm on the smaller 3150 motor, but more power and less heat from the 2200kv motor
 

RickDizzle

Isaiah 41:10
PLUS member
Build Thread Contributor
Messages
962
Thank you @gavsta72 ! I was trying to figure out the math formula for it. I knew there was one.
I am just trying to decide of I should just go the cheaper route and grab the stock 130amp ESC and that Firma Spektrum 3150 on 3s or drop the cash and go w the 1/8th Castle set up on 4s.

Hmm decisions....
I've been debating on getting one of these as they are pretty darn cool
The RTR model I think is good for 4s and they have tons of power
that castle system should work good in it
Watch for Horizon Hobby to have sales! I got the roller for $140 off with their "spring sale". 😎
 

gavsta72

Well-Known Member
Messages
191
Location
NSW, Australia
Thank you @gavsta72 ! I was trying to figure out the math formula for it. I knew there was one.
I am just trying to decide of I should just go the cheaper route and grab the stock 130amp ESC and that Firma Spektrum 3150 on 3s or drop the cash and go w the 1/8th Castle set up on 4s.

Hmm decisions....

Watch for Horizon Hobby to have sales! I got the roller for $140 off with their "spring sale". 😎
No problem

I would highly recommend a true 1/8 scale combo tbh, no worries about heat or power, and If you want to save some money, then go with the Hobbywing Max8 2200kv combo. Personally that's what i would go with anyway, reliable, simple plug n play, and comes with a program card. With the Castle combo you will need to get the CastleLink programmer also, so the Hobbywing is pretty much 100 bucks less

https://www.amainhobbies.com/hobbyw...ss-esc-motor-combo-2200kv-hwa38010400/p713299
 
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