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07-22-2009, 04:25 PM
| #1 |
| Newbie Join Date: Jul 2009 Location: chandler, az
Posts: 13
|  Which do you prefer Nitro or electric crawlers?
I'm new to crawling so i was wondering which would be a better model to buy nitro or elelctric?
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07-22-2009, 04:32 PM
| #2 |
| RCC Addict Join Date: Jan 2009 Location: Sebastopol CA
Posts: 1,525
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They don't make nitro crawler's... a few people have build them from scratch but they don't work very well. Electric is the way to go. |
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07-22-2009, 04:32 PM
| #3 |
| I wanna be Dave Join Date: Jan 2005 Location: Hueytown, Alabama
Posts: 6,777
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How many Nitro crawlers have you seen?  |
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07-22-2009, 05:18 PM
| #4 |
| RCC Addict Join Date: Mar 2009 Location: In a very dark cave can't you tell...
Posts: 1,708
| Electric
Go electric! Hey when your climbing a hill just make the " VROOM VROOM " sound if that makes you feel better.:-P
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07-22-2009, 05:40 PM
| #5 | |
| I wanna be Dave Join Date: Jul 2005 Location: North Idaho
Posts: 3,648
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Your big choice for power plants is brushed or brushless; and NiMH or LIPO. | |
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07-22-2009, 05:55 PM
| #6 |
| RCC Addict Join Date: Nov 2008 Location: Greece, sun, sea and rocks
Posts: 1,242
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I haven't rebuilt the engine once in 47 liters. Just must be lucky.  |
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07-22-2009, 06:35 PM
| #7 |
| RCC Addict Join Date: Jun 2006 Location: Maryland
Posts: 1,255
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Thats a nice MadForce (Spirit chassis?  ), MadForce... but its not a rock crawler.
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07-22-2009, 07:23 PM
| #8 |
| I wanna be Dave Join Date: May 2007 Location: Taylors Falls just hanging with the MNRCRC crew.
Posts: 7,843
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You need torque for rock crawling something Nitros are not famous for they are all about RPM. Grab yourself a good 2.2 electric rig if you want to find the best RC crawling. |
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07-22-2009, 07:44 PM
| #9 |
| I wanna be Dave  Join Date: Dec 2005 Location: Happiness is a warm AK.
Posts: 12,563
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What's a nitro crawler?
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07-23-2009, 04:35 AM
| #10 | |
| RCC Addict Join Date: Nov 2008 Location: Greece, sun, sea and rocks
Posts: 1,242
| Quote:
Truth is I don't do pure crawling with this one, more like trail riding with some absurd obstacles. But really this little sirio has more than enough torque to overcome obstacles. But in any case with a big bore 4 stroker I would not worry about torque. | |
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07-23-2009, 05:58 AM
| #11 | |
| On the lookout for Rocks   Join Date: Mar 2006 Location: Monroe, Louisiana
Posts: 3,711
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07-23-2009, 06:12 AM
| #12 | |
| Pebble Pounder Join Date: Apr 2009 Location: chino
Posts: 156
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07-23-2009, 06:37 AM
| #13 |
| Rock Crawler Join Date: Feb 2008 Location: UK
Posts: 818
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My take on this is that it's not the nitro engine that's the problem, it's the transmission. All the nitro or gas engines that I've seen for RC cars and trucks use a centrifugal clutch. You just haven't got the fine control you need to crawl at very low speeds. A decent servo-operated pressure plate clutch might give you the control, but would be tricky to operate. Since electric works so well these days, why bother? I don't understand why anyone uses nitro glow engines for any form of RC (cars, trucks, planes or helis) any more. Gas/spark engines have their place for the really big stuff, but nitro/glow is expensive to run, noisy and messy. |
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07-23-2009, 06:58 AM
| #14 | |
| Rock Crawler  Join Date: Jan 2007 Location: Secret Crawl Location Deep In England
Posts: 546
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07-23-2009, 08:15 AM
| #15 | |
| Rock Crawler Join Date: Feb 2008 Location: UK
Posts: 818
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How do you get around the clutch engagement and low speed control problem? | |
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07-23-2009, 08:49 AM
| #16 |
| Rock Crawler Join Date: Jan 2007 Location: Secret Crawl Location Deep In England
Posts: 546
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The gearing works out at 400-1 so it engages real early and there is so much gearing that your already at about 5000rpm (engine) by the time you pull away. Havent burnt out a clutch yet. |
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07-23-2009, 08:58 AM
| #17 |
| I wanna be Dave  Join Date: May 2006 Location: HONDURAS...ROCK HEAVEN
Posts: 5,076
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But the original question is, which one would be better to buy, so as far as getting one either prebuilt or in a kit i would say electric as there aren't any readily available nitro crawlers, also the thread's title is, which do you prefer, this is a mostly ep rig powered forum, so my guess would also be electric |
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07-23-2009, 09:06 AM
| #18 |
| RCC Addict Join Date: Nov 2008 Location: Greece, sun, sea and rocks
Posts: 1,242
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A decent setup on a centax will be very hard to burn. Most of the guys spitting on nitros are of US origin I guess, cause on this side of the lake nitro engines are still quite popular. The engine I am running costs 230 euro and has 4.11hp output on the setup I am running dynoed. Which brushless setup of similar cost has 3000+ watts of power available for ~4000 rpm? As far as tranny goes if I lock the madforce in 1st I get 11km/h max speed from 38000 rpm with moab XLs. That is more than decent reduction for crawling. I have to apologize for jacking the thread truly this is an EP oriented forum. Last edited by MadForce; 07-23-2009 at 11:33 AM. |
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07-23-2009, 09:28 AM
| #19 |
| Rock Crawler Join Date: Jan 2007 Location: Secret Crawl Location Deep In England
Posts: 546
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Your right cartronicshn, Off on a tangent I go..... Sorry for the hi-jack op. |
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07-24-2009, 12:23 AM
| #20 |
| Rock Crawler Join Date: Jun 2009 Location: SF
Posts: 604
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Nitro rc's are like a**holes, everyone's got one and they all stink! Just kiddin' it would be pretty cool to have a dual nitro MOA, now there's an idea  |
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