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 Post subject: Building a car
PostPosted: Wed 22. Nov 2017 21:36 
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Joined: Mon 13. Nov 2017 21:40
Posts: 6
While I wait for Helium frog's new cars I'm working on building a car but I need ideas for the missing pieces. I've ordered one of Ned's Shapeways chassis and I can use 1/32nd slot car parts for wheels and gears. That leaves all the electronics and motor. Has anyone found substitutes for the circuit board? Are the motor specs known?

I have RC gear to experiment with but it's become difficult to buy brushed motor speed controls that are small enough. I can always use a servo for steering and just let the drive motor run slowly so I can run it a test track.

Nick


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 Post subject: Re: Building a car
PostPosted: Thu 23. Nov 2017 15:23 
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Joined: Thu 27. Dec 2012 14:59
Posts: 48
Location: Denmark
NFBrown wrote:
While I wait for Helium frog's new cars I'm working on building a car but I need ideas for the missing pieces. I've ordered one of Ned's Shapeways chassis and I can use 1/32nd slot car parts for wheels and gears. That leaves all the electronics and motor. Has anyone found substitutes for the circuit board? Are the motor specs known?

I have RC gear to experiment with but it's become difficult to buy brushed motor speed controls that are small enough. I can always use a servo for steering and just let the drive motor run slowly so I can run it a test track.

Nick


I have a post on my site with suggestions for electronics with Neds chassis. Some days ago I uploaded a video for it.
http://magracer.com/site/electronics-magracing-car-coil-steering/

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 Post subject: Re: Building a car
PostPosted: Thu 23. Nov 2017 17:07 
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Joined: Mon 13. Nov 2017 21:40
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Thanks MagRacer, I thought I had looked everywhere for info. I'd looked at your site when I first discovered magracing but it was some time ago now.

Nick


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 Post subject: Re: Building a car
PostPosted: Sat 25. Nov 2017 18:37 
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Posts: 51
@ Magracer
Check PM please

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 Post subject: Re: Building a car
PostPosted: Mon 27. Nov 2017 10:44 
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Joined: Thu 13. Dec 2012 19:06
Posts: 393
Location: Copenhagen, Denmark
With such a low price for a controller, i had prefered this instead of the old ones.

controller

speed controller

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 Post subject: Re: Building a car
PostPosted: Mon 27. Nov 2017 18:37 
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Joined: Mon 13. Nov 2017 21:40
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Can anyone tell me the resistance and wire gauge of the steering coil? If not I guess I'll try "that looks about right"

I have all the major pieces to build a car ordered, now it's time to find magnets and hardware.

Nick


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 Post subject: Re: Building a car
PostPosted: Sun 3. Dec 2017 20:18 
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Joined: Thu 27. Dec 2012 14:59
Posts: 48
Location: Denmark
NFBrown wrote:
Can anyone tell me the resistance and wire gauge of the steering coil? If not I guess I'll try "that looks about right"


I use 0.2mm wire. 97 OHM

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 Post subject: Re: Building a car
PostPosted: Tue 5. Dec 2017 01:18 
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Joined: Mon 13. Nov 2017 21:40
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Thanks, Magracer. Now I can wind a steering coil that should work the first try. 0.2 mm works out to 32 gauge here in the U.S.

Nick


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