giga crusher brushless
 

would mtroniks truck combo work well with this truck?
will have 165mm tires and almost 30/1 fdr
and 4s lipo.
thanks

More than likely, what motor BTW?

the that comes in the combo, its a mtroniks plasma truck.

I'm assuming this is for a crawler?

The ESC should be more than OK no matter what you do, I have a gen pro and found it pretty smooth up until the batts were well dumped.

I don't know what the motor is, don't even know where you are looking at this combo. I would think you would want to aim for a motor with a pretty low kv value & with your low gearing. LMK if I'm misunderstanding something (ie crawler etc)

no no, not for crawler.
for nitro conversion.
for speed, jumping.
want like 60/70 kph.
with kyosho giga crusher df.
thanks

this was a dual engine truck finnster

i dont have it yet but i'm wondering what would be a good combo for pushing a 12 pound truck or so to 40 miles per hour.

well how much are u willing to spend??????? then u decide, or we can help lol

well i just calculated the speed and it comes out just right with the mtroniks genesis + plasma truck.
3000kv motor, 14.8volt lipo, fdr of 21.69/1 and 165mm tires comes out to 63 kph.
just as i want.
but the question is, is the mtronik stuff good?

Ok sorry, thought I'd ask and make sure. I saw the FDR and made some assumptions...


I have no idea n the motor, I've never seen anyone use it. 3000kv sounds way too high for such a large truck tho. I'd be fast for ~5min before it thermaled.

You'd be better off getting a 8 or 9xl. 40 might be a strech, tho you should get close. An 8xl would do it, just have to keep temps down, 9xl would be safer. Get a Rx pack or external BEC for sure.

If you wanted to spend more $, a 1515 1Y should do 40+ on 4s lipo, but they are $280 and I'm not entirely sure if the Mtroniks can run 4 pole motors

i tought i would build it to have 30/1 fdr but thats not needed i assume?
around 20/1, is that better?

one thing to keep in mind when you calculate the speed the pack won`t stay at 14.8v. more something like 13.5-14v

about the battery i know, but didnt keep it in mind.
bout the motor, the neu 1515 1y/f ( i asume you mean this one)
what's the diameter? with the fins?
and does the quark 125amp esc work with that motor?
is that a good esc?
sorry for all the newbie q's.
but i'm new to the sensorless brushless. :027:
oh yeah, would i need an ubec with the quark?

the more i think about it, the more i want to do a car that will be easier.
like a 1/8 buggy.
also the performance of a buggy will be much better i asume( faster, excellerate quicker)?
also kyosho parts support isnt so good as it should be.
i'm thinking more along the lines of xray xb8tq.
can you guys give me some of your toughts?
about brushless buggy's, monster trucks and their performance?:032:

Perhaps a truggy is a better idea, leaves you with more room for the batteries.

About your other questions;

yes, the Quark 125 is an excellent controller, and you do need a UBEC with it.

A buggy is a dream to handle.. It goes where you want it to go. a monstertruck is slower in cornering. a truggy is a nice mixture of both worlds.

buggy's and truggy's are also easier to make a motor mount for.
so i'll see wich truggy's are easily avaible at my lhs.
truggy will give me what i want.
easy to convert and plenty performance.
hmmmmm gotta ask lhs if he can get mugen seiki ( most likely, but i'm not entirly sure) mbx5t :004:
with 4s lipo or 12 cells nimh, what kv motor would be good for truggy( either st-r or mbx5t prospec):032:

The Neu 1515 2200Kv would be very nice.

would it be possible to use something a little faster?:032:

What's wrong with the 1515 2200kv?

to me it seems like it would be slow on 12 cells nimh or 4s lipo
or can you gear the $*# out of these motors?
if i do a truggy i dont want to be any much slower then the nitro's.
and they can do 50mph.

If I'm not mistaken, most nitro truggies are geared and run in the mid 30's to VERY low 40's max.

thats slow, i want 40/45 mph, can i use a 1515 2700kv?

Chances are that that will be to hot. The 2200kv would be my choice. With a lower kv setup, you can gear higher...

hmmmm, can you guys tell me how i could gear a 2200 with 150 mm tires at the most?:032:

edit: i'm liking the robitronic mantis, its rtr but i could sell the engine for 160 euro i think, its an axial 4.6cc + the exhaust for 50 euro

That platform sounds much better than the crusher. I don't know how capable they would be to handle the high HP BL setup...

Mike had a 1y on his gmaxx this year monster bash. It was on 4S and supposedly it was running mid 40s... Heard some comment it did run a bit warmish (but not bad at all), but this was a hard running race, but it is a light vehicle so.... ??

If you really want to hit 50, I would suggest going upto 5S lipo w/ the 1Y (or even the 1512 2000 kv (2d?)) and don't overgear. The 2700kv/4S may work, but it will be an amp hog and may get things quite hot. If you ran w/ mechanical brakes that may really help the situation, but still.

I have a 8XL (~1900kv IIRC), and when I run on 5s its an absolute terror. Runs just under 50, but wheelies on demand at almost any speed. A better motor like a Neu on 5S will not suffer from a lack of power. Even if the top ends are close vs the nitro, the TQ and acceleration will be worlds apart.

thanks a bunch for al the info you guys give me but there is more.
what if your motor wants more amps then the speedo and battery's can handle? and about the truggies, wich one do you guys like?
for keeping the price down i like hobao hyper st (not out yet) or robitronic mantis. can sell all nitro stuff that way.
but i really want something like a mugen mbx5t.:D :004:
but are they worth it, what do you think?:032:
edit; after reading trough 5 pages or so about stripped gears from running steel into steel (mac2's crt) i've decided to go with a car that can use a plastic spur, kyosho.
now for the truggies, screw it altogether.
they'll wont be as fast as i want to be.
i'll just get an mp777wc when it comes out to get it over with. along with a plastic spur.
i'll see from there how i'll do it.