My new toy and project

My new toy and project

Postby Rob M » Wed Mar 14, 2012 9:01 pm

I received this a few days ago and have been playing with it almost non-stop since.
Dead image links removed.

This is kind of a long video but I figure it’s worth seeing from start to finish.
Dead image links removed.


More to come as it progresses.
Last edited by Rob M on Wed May 02, 2018 4:57 pm, edited 1 time in total.
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Re: My new toy and project

Postby AstroGoat760 » Wed Mar 14, 2012 9:22 pm

That is impressive.
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Re: My new toy and project

Postby railtwister » Wed Mar 14, 2012 10:27 pm

Cool! What is the material you are routing the frame out of?

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Re: My new toy and project

Postby Rob M » Wed Mar 14, 2012 10:49 pm

I'm using ABS plastic for everything. At least that's the plan for now. I would like to find something that doesn't need to have a stream of air blowing away the chips.
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Re: My new toy and project

Postby jmass » Wed Mar 14, 2012 11:18 pm

that is very impressive indeed. nice job Rob!
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Re: My new toy and project

Postby AstroGoat760 » Wed Mar 14, 2012 11:26 pm

Rob M wrote:I'm using ABS plastic for everything. At least that's the plan for now. I would like to find something that doesn't need to have a stream of air blowing away the chips.


I know that the rotary engraver that James used at his last command in the Navy used a vacuum to keep dust and debris down, so perhaps a vacuum system might help in this case.
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Re: My new toy and project

Postby CaTTwoman281 » Wed Mar 14, 2012 11:40 pm

AngrySailor302 wrote:
Rob M wrote:I'm using ABS plastic for everything. At least that's the plan for now. I would like to find something that doesn't need to have a stream of air blowing away the chips.


I know that the rotary engraver that James used at his last command in the Navy used a vacuum to keep dust and debris down, so perhaps a vacuum system might help in this case.


Dammit. I forgot to log him off his computer before posting.
(Normally he is logged in on his desktop computer, and I am set up on my laptop computer, but with the laptop out of service, we have to "share" his desktop.)
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Re: My new toy and project

Postby areibel » Thu Mar 15, 2012 10:51 am

That is cool Rob!
What trucks are you designing for? And is it going to be dual motor when it's done, that would be a killer if you can get some weight inside the shell!
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Re: My new toy and project

Postby Rob M » Thu Mar 15, 2012 11:13 am

I will be making the trucks and the transfer case also. Here a few photos of the design I did in Sketchup. I still need to figure out how to do the eletrical pickup. Have some Phosphor Bronze sheets coming from mircomark for that.

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Re: My new toy and project

Postby scaro » Thu Mar 15, 2012 11:53 am

very interesting. it looks like the berliner bahnen set up, and i can see a few key advantages.

it is amenable to simple adjustments (ie just lengthening the drive shafts) to extend the chassis.

also, in the BTTB design at least, it looks reasonably simple to move axles to various spacings. this one probably doesn't have that facility currently but i wonder if that is something to think about?
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