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List your Jammin CRT Combos
RC-Monster Stock
Posts: 9
Join Date: Feb 2009
List your Jammin CRT Combos - 02.26.2009, 02:53 PM

I was just reading through the forums about at all of the CRT conversions out there. It seems that there are quite a few, so I though the I would start this thread as a centralized database for all of our combos.

Please post as much as you can think of about your current combo and combos that you have tried (successes and failures). Include your ESC, Battery, Motor, Spur, Pinion, Tires, Pics, ect.
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RC-Monster Stock
Posts: 9
Join Date: Feb 2009
02.26.2009, 02:59 PM

Here's mine:

Mamba Monster V3
Zippy 4S Flightmax 5000 mah 25C
CC 2200kv
62t spur
14t pinion
Servo: Hobby City HXT12K ($8.00)http://www.hobbycity.com/hobbycity/s..._10kg_/_.16sec
Tires: Crimefighters
Runtime: Track ~20 min
Bashing ~25 min
Temps: I haven't bothered because everything feels like it is less that 100 degrees

Other things that I have tried:

13t pinion. I felt like I never got a good mesh with this pinion. It would always clack when I used the brakes. It seems that pinions with higher tooth counts mesh better. I would really like to try a 16 tooth pinion with this combo. I've found that with higher tooth counts I tend to get better acceleration because the torque does not hit the wheels so hard causing spin (thus less acceleration). I will say that if unlimited traction were available, lower gearing would produce faster acceleration, but in the real world where I can spin my tires at will even on pavement, higher gearing gives me better acceleration.

I also was using a Hobby City 9xl until it froze up. I was happy with this motor, the temps stayed low, and the power was good. I would use one again, but I think it is better for the long run to just go with the CC motor and forget about it.

Last edited by vbxt; 02.26.2009 at 07:57 PM.
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RC-Monster Brushless
skellyo's Avatar
Posts: 2,466
Join Date: Jan 2006
Location: Florida
02.26.2009, 04:15 PM

My setup:

Neu 1515/1Y/F
Airtronics 94358 Servo
Spektrum SR3500 Rx
62T Spur
13T Pinion
Neu 4S 25C 4900mAh Lipo
JConcepts Rulux Wheels
Pro-Line Badlands

No idea how long runtime is. I've never timed a full pack.

My temps are pretty low after over 10 mins of running hard on a track. I didn't check them with my temp gun, but I could hold my hand on any component as long as I wanted without issue.

I have both a 14T and 15T pinion to try out on it, but the 13T did very well on the track for the most part. I'll have to see if I can snap some pics of it this weekend if I get the chance.
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big greg
Posts: n/a
02.26.2009, 04:21 PM

Airtronics 94358 Servo
46t kyosho spur
10t pinion
zippy-h 4000 4s,true rc 4s 8000 10c
12 mins on the 4000, 24 on the 8000
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RC-Monster Carbon Fiber
Rnemhrd's Avatar
Posts: 209
Join Date: Sep 2008
Location: N. Syr. NY
02.26.2009, 06:58 PM

neu 1515/1/y/s
52t hyper st spider diff
14t or15t pinion
neuenergy 4900 4s
temps are all great.
diffs.3k,30k,7k r,c,f Bashing setup
proline badlands,or these cheapys http://cgi.ebay.com/Yoko-1-8-pre-mou...3A1%7C294%3A50 good for a lot of street and some dirt bashing.
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RC-Monster Stock
Posts: 9
Join Date: Feb 2009
03.02.2009, 12:42 PM

Here is a pic of my conversion...how can I add it to my original post?

From Recently Updated

Last edited by vbxt; 03.02.2009 at 12:48 PM.
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Posts: n/a
03.08.2009, 11:27 PM

Feigao 8XL
Zippy 4s 5000mah
9t pinion (need to fix that)
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RC-Monster Aluminum
riverat1540's Avatar
Posts: 503
Join Date: Mar 2007
Location: Algonquin, IL
04.06.2009, 09:01 PM

mamba monster v3
hot bodies center diff 46t hardened
14 t pinion cannot go any smaller without changing spur is way to fast but will have to cope till i can do ring and pinion conversion
just changed from 62 spur as it was forcing me to be too front heavy in the jumps due to mounting options was wondering how big greg runs a 10t pinion on a 46 spur due to rear center brace hitting motor?
running a 5s 5000mah zippy H
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RC-Monster Mod
MetalMan's Avatar
Posts: 5,297
Join Date: Mar 2005
Location: SoCal
04.06.2009, 11:32 PM

46t spur with RCM Jammin CR motor mount
14t pinion
Medusa 36-60-1600
5s 4900mah and 5000mah 20C Lipo
Tires are Badlands for bashing and Holeshots at the track.

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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RC-Monster Aluminum
superek4's Avatar
Posts: 832
Join Date: Jan 2009
04.07.2009, 06:33 AM

Here's mine:

Rc monster converted CRT x1
Hobbywing 150amp/ Hobbywing HV 100amps plane esc
Zippy 4S Flightmax 5000 mah 25C/ 6s Flightmax 5000
Medusa 1600/2000kv
62t spur/ going to try rc monster 50T slipper diff
14t pinion-16T
Servo: Sanwa VX
Tires: Jammin LRP truggy tires
Runtime: Track ~20 min-25mins
Temps: 40-60degrees

My Sponsors
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combo, crt, jammin

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