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Scale 4x2 and Buggy R/C vehicles This is the place to put your Sand Scorchers, Bajas and other various 2wd offroad R/C's


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  #1  
Old 11-05-2006, 05:40 PM
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Default frog prob

hey all,my frinds dad has a 83 frog,with a msc and the two resistors mounted to the trany case are geting up to 120 f. now being a electric noob I realy dont know if thats bad,but I just wanted to make sure
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  #2  
Old 11-05-2006, 05:48 PM
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stop driving slow, the less you run full throttle the hotter the resistors get.
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Old 11-05-2006, 06:04 PM
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well we was runing at full throttle 99.9% of the time...
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Old 11-05-2006, 06:31 PM
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stock silver can motor? its been so long since ive used a msc, im not sure other than slow speed running cooks resistors. if its the kit motor from 83 i'd get a new stock motor, not silver can but stock spec and maybe one of those kit tamiya esc's. should be able to pick one up cheaply.
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Old 11-05-2006, 06:35 PM
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120 isn't hot for those resistors. That's why they have the little metal heat shields on 'em
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Old 11-05-2006, 07:20 PM
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lol, good show dremelit! its been so long since ive ran one i couldnt remember what running temp was.....didnt know anyone still ran those!
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Old 11-05-2006, 07:32 PM
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The only time my MSC had issues with heat was running full throttle all the time, got it to smoke once. Mad fighter with a silver can and no rear tread is not a quick machine, so it was pegged.
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Old 11-05-2006, 08:17 PM
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ya it has a sivercan in it,the temps. could be wrong I was useing a temp gun for alum.so...but it felt much hoter,hehe I surpized it even works after just siting there for 18 years,and its much faster than what i thought.thanks guys

Last edited by racing redneck : 11-06-2006 at 10:53 AM.
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Old 11-06-2006, 01:27 PM
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i know they can burn.... but thats another story.... lol... i dont like msc's anymore.. went through 3 of em on my old hummer in a week... yeh, that bad... esc is the way to go in my book.
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Old 11-06-2006, 02:15 PM
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Manual speed control? whats that?
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Old 11-13-2006, 05:13 AM
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Umm... Old Frogs didn't have the heat shield from memeory, but I might be wrong....

Check whether it's getting full throttle, or stuck in second... Old skool EPA was to move the MSC pushrod in or out on the trhottle servo arm, and re set the trim, so i't doesn't take off, when you plug it in... LOL
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Old 11-13-2006, 08:50 AM
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when the plastic where it mounts to starts to melt...its too hot...

an ESC would be a good upgrade after all these years tho...those MSC are ok if you dont run it much or like burning electric smell...

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Old 11-15-2006, 07:18 AM
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when the plastic where it mounts to starts to melt...its too hot...

an ESC would be a good upgrade after all these years tho...those MSC are ok if you dont run it much or like burning electric smell...

Ummmm.... unless you are not gona drive it, EVER I really see no reason for keeping a MSC in anything.... They do melt stuff, they can cause fires, blistered fingers, run aways, and destroyed hard bodies, and (in most cases, Racing Master badged and Super Champ Tamiya excluded) no brakes!.

Pick up one of those little stocker Tamiya jobbies from Ebay for $15. Give it as a prezzie (to keep your sanity, and not fixxing the Frog every time you visit.. ).
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Old 11-15-2006, 07:18 PM
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ya I saw that it wasent geting full throw so I moved it right after my third post.Spoon,ya it melted the mount,now it ant geting hot,maybe 80* or so,trucker is right it dident have any heat shields on it.But like I said this buggy gets run one time evey ten years so...buts that only caus I dont own it,but if I did well not much frog would be left after I got ahold of it,lol j/k
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