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Thread: The Bosch 750 watt motors

  1. 18th February 2004, 09:28 #1
    Guest
    Hi,

    Im new to this forum, me and few freinds are thinking of building a heavyweight to go on robotwars, I can build all the motorcontrollers fairly easily as im fairly clued up where electronics is concerned, and the bot has been designed in 3d udsing Truespace.

    Trouble is what uses the bosch 750 watt motor that so many people use? Im on about the GPA 750 or am i going to have to buy some motors from a component wholesaler?

    Originally starter motors where thought a possibilty but they can draw serious current under load, and are only about 50% efficient. I was thinkling of using a Lucas SM 76 PE s(or something similar) starter,at 800W

    Thanks ofr any info in advance :-)
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  2. 18th February 2004, 09:33 #2
    Member
    You can buy the GPA 750 from http://www.technobots.co.ukwww.technobots.co.uk.

    Dont bother with starter motors if you can avoid them, theyre very heavy for their power output as well as being inefficient.
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  3. 18th February 2004, 09:46 #3
    Guest
    Thanks!

    Ill let you all know how we get on :-D...
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  4. 14th October 2005, 10:31 #4
    Member
    out of curiosity how do the original Bosch GPA fan motors compare to the bosch 750?

    ive found quite a few and was wondering if the original performs as well, at least well enough for a heavyweight.

    cheers
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  5. 14th October 2005, 10:42 #5
    Member
    There is.... to the best of my knowledge....... 8 different variants of the GPA Motor ....from 12v 400 watt - 24v 750 watt.
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  6. 14th October 2005, 19:39 #6
    Member
    They can also be sold with brushes set for clockwise rotation, anti-clockwise rotation, or neutrally to allow operation in both directions. This neutral option is the one chosen by most roboteers.
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  7. 14th October 2005, 22:18 #7
    leorcc's Avatar
    Member
    Send a message via MSN to leorcc
    quote:


    I can build all the motorcontrollers fairly easily as im fairly clued up where electronics is concerned

    Loads of people are, but building a proper speed controller that can take the abuse of the arena is a totally different ballgame.
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