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Home Racing World • View topic - CanAm - Build Thread
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CanAm - Build Thread

PostPosted: Wed Nov 25, 2015 2:37 pm
by Audi1
Here's a start on my brass chassis car for Dave's CanAm proxy. I started with a Carrera Porsche 917/30, but the body was too heavy to make it anywhere close to competitive. So, I switched to a Fly Porsche 917/10. Much lighter and I think it will make a good proxy car..........we'll see.............. Just thought I'd sneak this in under the wire before the clan descends.............

Once it arrived, I realized that it was a clamshell body/chassis. So, that meant an extra step or two.

Image

After some cutting, the rockers were free and I could see how the chassis was going to form up. I'm using an IL chassis for this build, since I think it may be more straightforward than a SW chassis; even though my strong preference is for the SW configuration. Motor pod and bearings in place; the bracket comes from Dennis (gascarnut):

Image

Next up, some wire bending and brass cutting; probably after the Holiday.

Happy Thanksgiving, everyone!

Allan

Re: CanAm - Build Thread

PostPosted: Wed Nov 25, 2015 5:27 pm
by HomeRacingWorld
And a Happy one to you. Great seeing this project, I will follow this. What a perfect car for this.

Re: CanAm - Build Thread

PostPosted: Wed Nov 25, 2015 5:43 pm
by docdoom
I been thinking about diving into the black art of brass chassie making my self. Were would one fine that set block? I have looked on line but I have never seen one.

Re: CanAm - Build Thread

PostPosted: Thu Nov 26, 2015 5:41 am
by Audi1
Here you go, docd.

http://www.pslotcar.com/index.html

You want either the 2200 or the 2201 (inches or metric). Not inexpensive, but very useful for both plastic (HRS2 and other adjustable 3D printed chassis) and brass chassis builds. The price is actually coming down on these; I paid considerably more for mine a year and a half ago. Professor Motor carries them in their Precision Slot Car category.

Allan

PS From what I've seen posted by those who build brass chassis on a routine basks, it doesn't look like a black art to me; more like a custom engineered solution to the strength/flex/speed/handling question that we're always working to try to perfect. I'm sure my first one will be gawd awful, but I'm looking forward to giving it a try. :D

Re: CanAm - Build Thread

PostPosted: Thu Nov 26, 2015 9:53 am
by dw5555
Lets not forget the basic (Inexpensive) ceramic board...

http://www.ebay.com/itm/CERAMIC-BOARD-H ... Sw34FVB4Yi

Dave

Re: CanAm - Build Thread

PostPosted: Thu Nov 26, 2015 1:26 pm
by docdoom
thanks for the link

Re: CanAm - Build Thread

PostPosted: Fri Nov 27, 2015 12:35 am
by Retro Racer 44
If you will only be doing 1/32 scale, this honeycomb board is big enough, and the price is right.

http://www.amazon.com/Jewelry-Displays- ... ring+board

Cheers,

Keith

Re: CanAm - Build Thread

PostPosted: Fri Nov 27, 2015 8:41 am
by TuscoTodd
Allan -
Looking forward to seeing this one :handgestures-thumbup: progress!

Re: CanAm - Build Thread

PostPosted: Fri Nov 27, 2015 10:38 am
by charley
Help!!! I can't find the rules/sign up page for the Can Am proxy!!!

Re: CanAm - Build Thread

PostPosted: Fri Nov 27, 2015 10:47 am
by TuscoTodd

Re: CanAm - Build Thread

PostPosted: Sat Nov 28, 2015 12:49 pm
by Audi1
I believe in declaring victory in small increments and if the later steps in brass chassis building are anything like the early steps, then those increments are going to get really small...........!

Today was "learn how to bend piano wire" day. The pic below shows the main rail; which is a two-sided box bend in a piece of 0.055" piano wire. Not a lot to show for a mornings' work, but a step ahead nonetheless:

Image

Leading up to that, was a series of "learning pieces":

Image

Fortunately, you can save yourself a little material, by cutting-off close to the faulty bend..............good thing to know.............

The rockers are back on the body now and I can see (imagination is a great thing!) the car starting to take shape:

Image

I also made up a template out of 2.0mm styrene, to lift chassis measurements and to help with the dimensions of the side pans/guide tongue placement/body post attachment points:

Image

It's traced from the portion of the stock chassis that was left over once I had cut off the rockers. I have some visible motor parts in the back that the 917/10 needs to show, so I'll need some sort of shelf to allow for the attachment of those parts.

On to the cutting of some of the central brass pieces............rear motor mount platform, front body post attachment, front axle/guide tongue, etc. Then the side pans, then................

Inching along.................... :lol:

Allan

Re: CanAm - Build Thread

PostPosted: Fri Dec 04, 2015 3:17 pm
by chrisguyw
Hey, what's goin on here???......I wanna see sum mo bent wire!!!

Git to er boy........

Cheers
Chris Walker

Re: CanAm - Build Thread

PostPosted: Fri Dec 04, 2015 3:20 pm
by Audi1
Ummm..........could be a little bit..........work and the Christmas Holidays getting in the way of play again...................... But, I'm on it! ;)

Allan

Re: CanAm - Build Thread

PostPosted: Fri Dec 04, 2015 9:18 pm
by bill from nh
Allan, here's an quicker way to make those 2-sided boxes. Next time you got to make one, bend two "L's" rather than one "U". Lay the short legs of the "L's" side-by-side & solder the "L's" into a "U" shape. Much easier to make with virtually no wasted piano wire. I'm from the days when piano wire was a nickel per foot for all diameters, but I still don't like to waste any. That must be the yankee in me. :)

Re: CanAm - Build Thread

PostPosted: Sun Dec 06, 2015 5:41 am
by Audi1
Hi Bill, Thanks for the idea. I have zero soldering skills (outside of soldering motor lead wires), so I was looking to maximize the strength of the main body rail piece; that's the reason for the box bend. The two piece route seems like, perhaps, a better solution.

Allan