nitro rock crawler can it be done,i want to try

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Even if it does work I think it would suck! A nitro screaming at full rpm sounds great but to hear it try to creep around would make me want to shoot it.
 
SMaxxin said:
Even if it does work I think it would suck! A nitro screaming at full rpm sounds great but to hear it try to creep around would make me want to shoot it.
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exactly my opinion!!! and maybe not in this guys case but i know alot of places i crawl are not gonna be freindly to the noise of a nitro running all the time.
 
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i have been pondering the idea of building a scale nitro truck my lhs has a lil nitro motor i was gona use
 
well i mite big build a big sucker first right, then build it smaller,
big as in full size ATV first then bring down in size, or is that a dumb idea
too??????????
 
If you were to use something like an airplane control, one stick to run the throtle the other to run a pressure plate type clutch...
 
I've been tossing around the idea of using a heli radio, you can use the mixing to operate the clutch in union with the throttle.Just as you do rpm & collective. You can also use the another channel for reverse(instantly) Just as you do for inverted flight. I just havn't gotten past a clutch design. And I also wanted to use a water cooled 4 stroke. I'm sure it can be done,it's just a matter of R & D which equals CASH!!! LOL!
 
the problem is the clutch, i wonder if you could machine and make some sort of scale tourqe converter. on automatic cars theres a big case thing with 2 impeller things in it, one is drived by the engine and the other is connected to the transmission, and it is filled with oil.
 
Take a 4 stroke motor and centrifugal clutch like on a go-cart with some rubber belts hooked to a shaft to drive the axles
nitrocrawler.gif
 
i want to try this now lol my dad work's at a steel/machine shop so i have ton's of macinery i can use...if i tryed it i think i would start it of of somthing like a revo chassi or somthing like that..right now i'm trying to figure out a clutch design..i'll post a pick of a clutch design i think will work after or tomorrow..
 
no offense man, but if you are gonna put all that time and effort into trying to make a nitro powered crawler why wouldnt you start off with a crawler chassis/roller???
 
slowngreen said:
no offense man, but if you are gonna put all that time and effort into trying to make a nitro powered crawler why wouldnt you start off with a crawler chassis/roller???
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i thought about that but i think(this makes scence to me anyway) there isn't much room on a crawler chassis for the engine, and servo for the gas/brake and a reverse servo so i figured that if i take a chassis that is designed for all of that that it would probobly take away a lot of work to try and get all of that on a tiny lil chassis...JMO
 
MGT8.0owner said:
i thought about that but i think(this makes scence to me anyway) there isn't much room on a crawler chassis for the engine, and servo for the gas/brake and a reverse servo so i figured that if i take a chassis that is designed for all of that that it would probobly take away a lot of work to try and get all of that on a tiny lil chassis...JMO
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I'm guessing you didnt read my post i posted a few pages back

its a crawler chassic and he posted videos
http://rccrawler.com/forum/showthread.php?t=140650&highlight=nitro+crawler
 
Lessen said:
If it were me, I'd do it with an existing chassis that give you alot of options as far as mounting cross-members in which to mount things like your engine, tranny, servos and fuel tank

Something like this...
http://www.rc-monster.com/proddetail.php?prod=flm71500&cat=31
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after i posted last i thought about it and started looking at thing's like THIS...if i used somthing like that i would build myown but i think that is a good example...i think somthing like that would give me lots of room to mount everything up

edit: if i did it i would do it more like THIS though
 
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I was going to post the same link that rollinlow posted. There is alot of R&D already done with the setup he posted. If I was doing it I'd start with something along those lines. Only thing I could see wrong is being able to fine tune the throttle control. Having the radio control the clutch would be great, If you could use a bearing mounted on a servo arm to press the pressure plate against the flywheel that way the servo arm didn't cause friction against the clutch and would still allow it to spin.
 
EddieB said:
I was going to post the same link that rollinlow posted. There is alot of R&D already done with the setup he posted. If I was doing it I'd start with something along those lines. Only thing I could see wrong is being able to fine tune the throttle control. Having the radio control the clutch would be great, If you could use a bearing mounted on a servo arm to press the pressure plate against the flywheel that way the servo arm didn't cause friction against the clutch and would still allow it to spin.
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i don't think that would be that hard actually but it's 1:45 here and i'm to tired to think about it lol.....but i think i've made up my mind that i want to try it so by the end of the weekend you guy's should see some pics of a custom 1 of a kind "austin mcwilliam" chassis lol....and NO this is NOT one of those qaart "i'll get pics" things...i just need to go and get some steel rod so i can start the chassis...what size do you guys thing would be best??
 
MGT8.0owner said:
i don't think that would be that hard actually but it's 1:45 here and i'm to tired to think about it lol.....but i think i've made up my mind that i want to try it so by the end of the weekend you guy's should see some pics of a custom 1 of a kind "austin mcwilliam" chassis lol....and NO this is NOT one of those qaart "i'll get pics" things...i just need to go and get some steel rod so i can start the chassis...what size do you guys thing would be best??
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Probably 1/8 to 3/16 steel rod or even some brake tubing, if you could find it I think some aluminum rod or tubing would be the the coolest, IMO!!!! good luck with the project we will be waiting for the pics....:D
 
abadk9420 said:
Probably 1/8 to 3/16 steel rod or even some brake tubing, if you could find it I think some aluminum rod or tubing would be the the coolest, IMO!!!! good luck with the project we will be waiting for the pics....:D
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ok thanks....and you guys WILL get pics give me till about the end of the weekend.
 

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