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Getter Robo
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12.30.2007, 07:37 AM

I think the 36-56 Ammo gets hotter than the L-sized feigaos cause it's actually a bit shorter than the gao. I'd like to try the big Ammo, though...


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MetalMan
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12.30.2007, 05:11 PM

My experience with the 36-56-2600 has been great so far, as well. I haven't gone more than maybe 5mins of running it, but geared for ~55mph in my Rustler on 4s2p A123, the motor was at maybe 120deg., and the MM wasn't really warm (even with the BEC enabled on 4s A123). I'm looking forward to completing the truck and bashing it hard.


SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
   
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  (#33)
Badawan
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01.07.2008, 10:04 AM

Ok, we did the first test run with my sons Rusty. We had MM esc, Ammo 36-56-2600 motor, Maxamps 11,1V 8000 mAh Lipo, stock spur and 20t pinion. I had to seal end of the motor because of those huge holes in it. After about 15 minutes driving, the motor was a little warmer than my hand, esc did't heat at all. At the time of test run, it was 0 celsius degrees so I have no idea how the motor performs in summer. We'll see that in 5 months. F***ing winter.

There were no cogging or any other problems, so I was very happy with the car. The speed is quite ok to me. Maybe I'll have to try the Ammo 36-50-3300 motor too, but I think that 2600 kv motor may be better option with 3s Li-Po?
   
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DrKnow65
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01.07.2008, 12:02 PM

I think the 2600kv is a little low for the 3S, but I run the 2300 with 3S in my RC and like that it's not pushing anything hard at all. I like to overbuild and underuse it makes things reliable :) The 3300kv would be good on 3S also though as it put's the RPM's closer to the 35K mark. I'm not sure how much more heat it would make for the extra speed though?


If I could only draw what I see in my head, then afford to build it, and finaly get to play with it...
   
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Gee
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04.04.2008, 10:52 AM

How are these motor working out for those of you that got one?

I'm needing a motor for the rustler on a 2s lipo until I get the cms7700 back. If the 35000 rule applies here I would need something in the 4700kv range. Out of the list it looks like the 36-50-3300 might be it though. Are the 40s and 30s too small? I'm trying to figure this out so if I am close let me know. If I'm way off let me know. Any feedback would help actually.
   
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Buzzsaw46
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04.04.2008, 03:01 PM

I bought a 36-50-3300 for my HPI NMT, but it has ended up in my E-maxx for the moment.

Performance is good in the maxx on a 5s2p A123,13/68 gears(3905 tranny). About mid 30's for top speed, wheelies up to about 10-15mph. With a novak HV heat sink it was running 120f after about an 8 min run. Without the heat sink I was hitting 170-180 in about 6-7 min. On a 15t pinion it was up in the 40mph range, lifting the front end into the 20mph range. I havent ran the 15t since I put the heat sink on but it was up close to 200f after a 9 min run.

I seized the front bearing after about a dozen runs, but for the price($35) I'm very pleased with the motor so far.

Gee, Medusa has a 36-50-4800. I have a 36-50-3300 Medusa on the way and an Eagle tree micro logger ready to go. I hope to have some good graphs of the Ammo Vs. the Medusa this weekend..
   
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  (#37)
Revracer
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04.04.2008, 07:02 PM

these motors are comparable to feigaos. i know a guy who ran a smaller version of this and a S feigao and said he liked the ammo mroe due to the better efficiancy. this was in a heli but still... and yeah the 36-56-2600 is almost identical performance to a 9l. you probably could hardly tell the difference between them...
   
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  (#38)
lincpimp
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04.04.2008, 08:22 PM

I found a 15l feigao to be better than the 36/56/1800kv motor on 5s. It got hot quickly, faster than the feigao did. I ran a few packs thru it and then sent it back. Both were geared for the same top speed, and used in my lightweight 2wd emaxx. I may have got a lemon though...
   
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