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Showing results for tags 'silver can'.
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Hi Guys, i seem to have a problem, i have a 1986 Boomerang [completely original] that i bought back to life recently, it had been stored away at my Mums house for maybe 20+ years, all i did was buy a new battery (4400Nmh Overlander) and had about 2-3hrs of trouble free fun, then the motor blew, ok i thought just replace it and try again, i bought and fitted a Tamiya 540 Silver Can, it lasted a couple of hours tops and also blew, at this point i did think maybe i should try a different type of motor but it was suggested that maybe id picked up an object [maybe a small stone off my driveway] and it had caused the problem so rather than trying a different type of motor maybe just try another standard silver can [less than £10 so why not], well this time it didnt last an hour and i noticed smoke coming firstly from the MSC so i quickly disconnected the battery, i picked up the car and noticed that if i put the car in slow speed position no problems [forward or reverse] but when i put the car in to medium speed the smoke now started coming from the ceramic resistor [?] and when i went full speed the smoke started coming from the motor, i quickly found that this motor was now also blown. So obviously theres something wrong elsewhere, i pulled the MSC to pieces and could see nothing obvious [not even any evidence of burning but decided to upgrade to an ESC, oh and a third new standard tamiya silver can. Great the car seemed better than it ever has before, also upgraded to a steering wheel type transmitter too, mainly because the ESC didnt seem to be working right with the old stick controller [brake not working as supposed to], well ive run the car now 4 times [so not quite 2 hours} and the motors gone again ! No smoke this time, not even much of a burning smell but no power from the motor to turn the wheels. Ive tried 3 different batteries and ive turned the wheels by hand to seem if anything is tight, im not really sure how free they should feel but seem ok really. Where is my problem coming from ? It has to be from within the gearbox doesnt it ? theres been no reason to look in there since i built it back in 1986 and i dont really want to have to now but i guess if you guys are in agreement with me then ill have to, or maybe theres somebody out there whos experienced this and can give me a few pointers ?