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-   -   The Hump-E-Revo Build (https://www.rc-monster.com/forum/showthread.php?t=15831)

jacko 10.12.2008 09:47 PM

The Hump-E-Revo Build
 
Presenting... My Hump-E-Revo:

http://photo-imprints.smugmug.com/ph...40_8Gjmi-L.jpg

Bought the E-Revo 2 months ago. Since the time I had it I fried the ff.:
1. 4200 stick pack batteries (replaced with 3300 side-by-side batts)
2. Stock ESC (Fried after bashing in the rain. Will need to go back to Traxxas for warranty repairs soon)
3. Couple of the Stock Talon tires started coming apart.

My build are based on the following requirements:
1. Ability to run on Snow during the winter season.
2. Ability to switch between brushless and brushed motors when needed.
3. Majority of time Bashing (maybe racing later)
4. More than 30 min run time

First step in fulfilling the requirements above, was the purchase of Kershaw Design's 700HO Motor. It added more torque for my bashing needs and eliminated the need to run 2 motors, had less weight and lower CG.

Second I needed a new ESC to replace my fried ESC. The choices that were available to fit the requirements:
1. EVX2 (which I fried),
2. M.Troniks Truck ESC (Couldn't find info if it could run Brushed mode)
3. or the Mamba Max.

I went with the MM because of reports that it could be waterproofed, had a LVC built-in, and could run both Brushless & Brushed motors. On top of it, it's a proven ESC and you can find lots of builds using this setup. It's not as efficient in running heavier vehicles like the MMM is, but disabling the BEC and adding a fan helps keep the temps down.

Third, batteries. I almost went with the 5000SC Elite batteries, but the additional weight and the need to make sure that the cells in the pack were in tip-top condition turned me off, so I went with SPC's 2s2p 8000maH 12C Lipos. My decision on the 2s2p packs was also for my Drifter chassis which runs a Novak XBR Sport 8.5 ESC.

Lastly, Tires/Wheels. The stock Talons are good bashing tires, but it just wasn't glued well enough for me so I went with Maximizer's Beadlock Wheel and Proline's Badlands tires. I didn't go for Proline's Beadlocks due to it's weight and 23mm Hexes.

So there you have it, a breakdown of what's on the erevo:
1. Kershaw Design's 700HO
2. Mamba Max ESC w/ Fan. set to 20% Punch, 50% brakes, LVC set to 13.6V
3. CC BEC
4. Two 2s2p 8000maH 12C SPC Lipos
5. Maximizer 1/2" Offset Tires w/ Proline Badlands
6. Ofna 17mm Hex Adapters.
7. Bad Horsie Shock Boots

Temperature Readings so far:
1. KD Motor - 160-200F
2. MM ESC - 130-140F
3. SPC Lipos - 100-110F

Couple of Goodies that I also did to support this build:
1. Purchased an iCharger 106B+ Lipo Charger (Very very satisfied with the charger)
2. I was able to get a free power supply from where I work and converted it to a PSU. (Pictures below)

Only thing I need would be a Brushless motor and I'm interested in 2 manufacturer's motors. This can wait however since winter's around the corner ;)

So. Enough with the chit-chat, here is Hump-E-Revo:

On the inside:
http://photo-imprints.smugmug.com/ph...13_C2qXu-L.jpg
http://photo-imprints.smugmug.com/ph...13_C2qXu-M.jpg
http://photo-imprints.smugmug.com/ph...10_7GGYh-M.jpg
http://photo-imprints.smugmug.com/ph...06_maw6G-M.jpg

jacko 10.12.2008 09:48 PM

In action:
http://photo-imprints.smugmug.com/ph...26_zDHVq-L.jpg
http://photo-imprints.smugmug.com/ph...55_rRGCZ-L.jpg
http://photo-imprints.smugmug.com/ph...01_xQ6Gg-L.jpg
http://photo-imprints.smugmug.com/ph...19_3JXtL-L.jpg
http://photo-imprints.smugmug.com/ph...06_XKnKe-L.jpg
http://photo-imprints.smugmug.com/ph...20_vrgEy-L.jpg

jacko 10.12.2008 09:48 PM

Goodies to support the revo and it's future builds:
http://photo-imprints.smugmug.com/ph...85_nYegB-M.jpg
http://photo-imprints.smugmug.com/ph...06_aiNRt-M.jpg
http://photo-imprints.smugmug.com/ph...06_aiNRt-M.jpg

bensf 10.12.2008 10:29 PM

Make sure you have more than one of the wires coming from the PSU going to the charger. And only from one rail.

DRIFT_BUGGY 10.12.2008 11:08 PM

Nice E-REVO and nice pics.

jacko 10.13.2008 12:00 AM

I read about this before doing the build. So far, the temp on the wires at 8A and 12V has not alarmed me (not even warm). When I have time this week, I might do that just to play safe. Thanks for the tip :)

Quote:

Originally Posted by bensf (Post 221976)
Make sure you have more than one of the wires coming from the PSU going to the charger. And only from one rail.


hpitraxx 06.04.2009 02:36 PM

nice e-revo i was just wonderin how to get the hex adapters off em cus im used to the hpi ones which r pretty easy to get off

Metallover 06.04.2009 02:54 PM

What kind of runtimes are you getting with that motor?

RC toy 10.11.2010 09:41 AM

If I understand correctly you are runing two 8000mah in pararel? You mean 16000mah?

magman 10.11.2010 10:09 AM

Nice..

I will be curious thought as to how long the mm esc holds up to the weight and strain of the Revo. I do understand the durability that the mm has, however, i personally would have gone for a more stout esc



Temperature Readings so far:
1. KD Motor - 160-200F
2. MM ESC - 130-140F
3. SPC Lipos - 100-110F

The motor temps seem a bit high to me. Even with the fan and an external bec the esc still gets that hot...watch it closely

brian015 10.11.2010 10:19 AM

2 year old thread!!

freeagent 10.11.2010 11:18 AM

I really like the first pic, nice cam.

Drivinfast247 10.19.2010 01:30 AM

Quote:

Originally Posted by brian015 (Post 383424)
2 year old thread!!

Correct.


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