Mamba Maxx or Quark 80B - RC-Monster Forums

jhautz · **Mamba Maxx or Quark 80B -** 11.07.2006, 04:22 AM

I am planning on doing a 1/8 buggy conversion next. I have a Lehner 1940/7 that I want to use. I am planning to run a 5s 5000mah Lipo pack as the standard setup. Do you guys think I will be better off with the Mamba Maxx or the Quark 80B?

I know it has been confirmed with a test or 2 around here that the MM will run 5s, but is it expecting to much to run 5s all the time?

The Quark 80B can handle the 5s no problem, its actually specified for 6s. But its only a 80 amp controller. Is 80A enough? Which is the better choice here?

The plan for this buggy is not the track, so I'm not all that worried about weight. Its going to be used for bashing and drag racing against nitro buggies. So I want the high top speeds that the 5s will allow me to achieve. And the Lehner 1940/7 is the motor I already have so I am planning around these 2 things.

Which would be better for this aplication?:confused: I am leaning towards the Quark 80B right now. But really would love the programability of the Mamba.

(Damn It.... Where is that Mamba Monster Maxx????)

Finnster · 11.07.2006, 11:09 AM

I ran the 5S on the MM, but with an overgeared 8xl and a heavier Revo. The controller worked well for me, and the only part that really got hot was the motor after blasting WOT thru the grass. Even after that the controller didn't break 140, and the caps didn't break 150. Motor was near 180.

=> I think the controller can work for you, but it will be dependent on a few things.

The car not being too heavy, not overgearing, using a small fan (*must), no excessively harsh driving (ie driving WOT thru the grass for 30 min in 90f+ weather.)

The good points you have over my setup is, much lighter and way less rotating mass, higher eff motor, and I think would draw less amps than the 8xl.

If you could manage to use the mech brakes then it should be no sweat.

jhautz · 01:56 PM

I hear you on that. I think in a buggy, that it could work heat wise. I'm just a little heasitant to plan for running the controller at 5s all the time. I know you have done a test run on 5s, but do you really think that it can be relable at that voltage for the long term

I am assuming that I would be running a fan on it, and gearing it slightly on the conservative side. But I think I would have to do that on the Quark 80B also if its anything like the Quark 125B

Has anyone tryed the 80B in a setup similar to this? I'm interested to hear others input / experiance

Serum · 11.07.2006, 02:10 PM

Viruss burned his quark 80 on a 1930 in the lightning. (4S lipo)
so that's not a good reference either..

jhautz · 11.07.2006, 05:34 PM

Quote:

Originally Posted by Serum

Viruss burned his quark 80 on a 1930 in the lightning. (4S lipo)
so that's not a good reference either..

What wind was the 1930? Any idea what kind of amps his setup was pulling?

I'm thinking that the 5s will be less amp draw than 4s, but the 1940 would be more amp draw than the 1930. Not sounding to promising....

Procharged5.0 · 11.08.2006, 12:55 PM

Mamba Maxx!
More Current Capacity
Lower Temps
MUCH BETTER programmability!

jhautz · 03:52 PM

Quote:

Originally Posted by Procharged5.0

Mamba Maxx!
More Current Capacity
Lower Temps
MUCH BETTER programmability!

You forgot $60 cheaper!:018:

My only concern is running the MM on 5s all the time. Its only rated for 3s, but plenty here have proven 4s is not an issue, and a couple tests show that 5s works, but I'm guessing that there might be issues with trying to run it on 5s all the time. Other than that the MM is a clear winner.

I guess the only way to really know is to try it. If I can make it work for a few months unill the Monster Maxx comes out. Then I guess I could move the MM to the rustler and upgrade the buggy to a MMM.
Sounds like I just talked myself into it. Hope I don't fry it in 1 run.:002:

Procharged5.0 · **Motor/Battery Comparison Chart -** 11.08.2006, 03:29 PM

Serum,

Here is the chart I was trying to send you. For others it is a basic RPM/V comparison chart with a few common battery & motor combos.

Finnster · 05:00 PM

Quote:

Originally Posted by jhautz

You forgot $60 cheaper!:018:

My only concern is running the MM on 5s all the time. Its only rated for 3s, but plenty here have proven 4s is not an issue, and a couple tests show that 5s works, but I'm guessing that there might be issues with trying to run it on 5s all the time. Other than that the MM is a clear winner.

I guess the only way to really know is to try it. If I can make it work for a few months unill the Monster Maxx comes out. Then I guess I could move the MM to the rustler and upgrade the buggy to a MMM.
Sounds like I just talked myself into it. Hope I don't fry it in 1 run.:002:

I don't think there will really be a serious long-term effect. Maybe if you are lokoing to runthe esc for 10 years, but if its setup properly, I think it would eb very usable for quite a while (ie it won't blow up after 5 runs.)

Nothing is certain, but I was using 15 cells for quite a while before I got the lipos and suffered no damage. Shaun at CC seemed to say 5S would be OK, but the rel concern would be thermal issues rather than raw voltage. Even 14 cell packs charge to ~21V off the charger (~1.45V/cell), but obviously quickly drops.

At the very worst, it should get you thru the cold months until the MMMax comes out, and even if you do kill it is only $50 to repair no ?'s asked. I would think it would have a very good resale value on ebay as well.. so why not?

Edit: lots of typos...oh well