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#1
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Home made motor run in tool
Hi all, me again, no come back dont run away
after discovering most people run there motors in (most meaning top boys) i thought id try and buy one from a store, like most do. but after seeing the prices on these (stupidly expensive) i thought id make one my self and share it with you :? the design is very simple, basically its a box with a heatsink on it, 4 wires, amount of cells you wish to run your motors in with bearing in mind each cell is 1.2 volt i have been told the norm is 5 volt, but a few others think its too high,soon find out?? a pair of croc clips and two corrallys. basically found the centre of the box, marked it up and drilled two holes for the screws. i tapped the holes out and then screwed on the heatsink http://i3.photobucket.com/albums/y99...m/STA40172.jpg Then added some wireing loom: http://i3.photobucket.com/albums/y99...m/STA40179.jpg two corrallys are used to charge the cells up via charger and two other wires connect to the motor battery placement: http://i3.photobucket.com/albums/y99...m/STA40175.jpg final produce: http://i3.photobucket.com/albums/y99...m/STA40173.jpg the heatsink is used to keep the motor in place whilst the motor is spinning, and also acts as a cooler to keep heat and wear away from the motor whilst its being ran in! simple, and cost bugger all to make cause i had all that in my pitbox! bored you all enough now i suppose hehe. |
#2
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Paul, thats a cool idea.
__________________
dragon paints : team tekin : fusion hobbies :SCHUMACHER RACING : Nuclear R/C for all my sticky and slippery stuff - if it needs gluing or lubing, Nuclear RC is the man! |
#3
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Thanks, it was a cool idea of mine :P
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#5
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variable pot style resistor from RS they cost about 50p
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#6
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Indeed but if you run v2's then 4.8v is fine for it!
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#7
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Quote:
Could always get a heavy duty multi pole switch, so you can switch between off/2/3/4cells?
__________________
dragon paints : team tekin : fusion hobbies :SCHUMACHER RACING : Nuclear R/C for all my sticky and slippery stuff - if it needs gluing or lubing, Nuclear RC is the man! |
#9
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Only trouble with using any sort of resistor Jim, is that it is an extra drain on the cells thats where a decent switch would be good, as it is purely on and off not balancing power by allowing it to convert the unwanted stuff into heat.
Something like this http://www.maplin.co.uk/Module.aspx?...ldID=&doy=10m1
__________________
dragon paints : team tekin : fusion hobbies :SCHUMACHER RACING : Nuclear R/C for all my sticky and slippery stuff - if it needs gluing or lubing, Nuclear RC is the man! |
#10
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nice to see some nice feedback about it, and yes ian said he might make a jig for this useage.. but he hasent got off his lazy arse and done it, so i did so ner
i wanted to try find somthing that could limit the voltage if i ever needed to, but as DCM said it would need to be fairly decent to hold the current. any one know of a decent diode to smooth out the current? when using it its obvious the current is varying slightly as the motor rpm drops a little every now and then during the run in period, i want it to be as consistant as possible. |
#11
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Thats the motor not the power supply allowing little dips, yo uwould be best putting a pair of cells in parrallel, so it got more 'capacity' to see paul.
__________________
dragon paints : team tekin : fusion hobbies :SCHUMACHER RACING : Nuclear R/C for all my sticky and slippery stuff - if it needs gluing or lubing, Nuclear RC is the man! |
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