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andrew



Joined: 16 Jun 2004
Posts: 3108
Location: Castle Hill, Sydney. N.S.W


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Hey all,

Was wondering if anybody knew of any sources of hammerdrills or parts for cheap, or even just rs 775 motors that could handle 24 volts.

Trying to get a real early start for the camberra event in case life throws me alot of curveballs last minute.

Will have a sportsman done definitely, will look at what i have and re-start that again, but mainly want to get things started to where i can re-start warning.

Its in a state to where the work will be minimal to gurantee one entry at least.

Thanks in advance
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Andrew Welch, Team Unconventional Robotics

Post Mon Jun 13, 2016 12:55 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11745
Location: Sydney, NSW


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Can't help you with cheap hammer drills other than suggest browsing AliExpress or a similar Chinese site. How about using the Turnigy XK-3665 brushless motors that Glen used in Decimator? They definitely run on a 6S battery, can be controlled with a TZ85 and should last WAY longer than a brushed 775 motor, so they will be cheaper in the long run. I'd be happy to make adapter plates to fit them to a gearbox for you.
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Post Mon Jun 13, 2016 1:13 pm 
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andrew



Joined: 16 Jun 2004
Posts: 3108
Location: Castle Hill, Sydney. N.S.W


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Ive still got them trackstar motors, main issue i had was the controllers?
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Andrew Welch, Team Unconventional Robotics

Post Mon Jun 13, 2016 2:19 pm 
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Nick
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Joined: 16 Jun 2004
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Location: Sydney, NSW


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Decimator just uses TZ85 controllers with new firmware and it drives pretty well with 16:1 gearboxes. If you used drill gearboxes with a higher reduction, the low speed steering will be even smoother. I'm sure that someone can do the firmware update; I have the programme but haven't needed to use it yet.
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Post Mon Jun 13, 2016 2:28 pm 
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timnew



Joined: 19 Jun 2015
Posts: 48


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What brushless escs are peeps using these days for drive? Im guessing there are no delay options ether hacked or off the shelf these days?

Post Tue Jul 05, 2016 7:53 pm 
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Nick
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Joined: 16 Jun 2004
Posts: 11745
Location: Sydney, NSW


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Rolling Eyes Read the post just before yours!
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Post Tue Jul 05, 2016 8:21 pm 
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