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 Post subject: Re: Powerwheelz Racing
PostPosted: Mon Jul 18, 2011 10:45 am 
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Joined: Tue Apr 06, 2010 10:12 pm
Posts: 750
Depending on the motor, this might be a controller option, it's on the small side, 50A max.

possible DC motor controller to 50 A.
http://minneapolis.craigslist.org/csw/e ... 75911.html

Pete


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 Post subject: Re: Powerwheelz Racing
PostPosted: Mon Jul 18, 2011 11:32 am 
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Joined: Tue Mar 17, 2009 5:06 pm
Posts: 319
Location: Minneapolis, MN
dang already deleted

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 Post subject: Re: Powerwheelz Racing
PostPosted: Tue Jul 19, 2011 6:44 am 
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Location: Minneapolis, MN
Ok, lots of things came together last night. David stopped over and we figured out the gear ratios and looked at the parts we both had.

- Motor found 36 volt 2000 rpm 500 watt electric scooter motor.(specs http://www.monsterscooterparts.com/36vo500wamow.html )
- looking for a couple more 12v 18ah batteries to get up to 36 volt and have a backup pack
- we are going to stretch the frame to make it a little easier to drive.
- looking into chain drive instead of belt. dont need a clutch with speed control
- took lots of measurements.

Attachment:
build1.jpg
build1.jpg [ 46.01 KiB | Viewed 549 times ]

frame length 38"
overall length ~48'
width 33"

Attachment:
build2.jpg
build2.jpg [ 35.51 KiB | Viewed 549 times ]

36 volt 500 watt
11 tooth motor sprocket
?? looking for 65 - 80 tooth #25 chain drive sprocket

Attachment:
build3.jpg
build3.jpg [ 38.72 KiB | Viewed 549 times ]

Stretching body
looking at steering linkage and battery placement.

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 Post subject: Re: Powerwheelz Racing
PostPosted: Sat Jul 23, 2011 8:19 pm 
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Joined: Tue Mar 17, 2009 5:06 pm
Posts: 319
Location: Minneapolis, MN
Framework started:

Attachment:
build4.jpg
build4.jpg [ 36.93 KiB | Viewed 530 times ]


Front end with 3 point articulating suspension. Need to get some 2-3 inch springs from axman. Woot, front suspension.

Attachment:
File comment: articulated front
build5.jpg
build5.jpg [ 32.36 KiB | Viewed 530 times ]


Transaxle mounted and shifter shortened. added a spring to keep it in gear.

Attachment:
File comment: transmissionie goodness
build6.jpg
build6.jpg [ 36.29 KiB | Viewed 530 times ]

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 Post subject: Re: Powerwheelz Racing
PostPosted: Sun Jul 24, 2011 7:55 am 
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Joined: Sat Mar 14, 2009 4:14 pm
Posts: 1444
Location: Minneapolis, Minnesota
Looks to be coming along nicely! Is there a plan to bring it to the Hack Factory this Wednesday to show?

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