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Scratchbuilt chassis gallery

Started by Cheater , Apr 16 2008 12:18 PM

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#2801 Eddie Fleming

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Posted 19 February 2017 - 11:37 AM

Just a question with the way the main rails connect to the motor bracket is Caps center photo chassis legal by IRRA rules? I can see yes and I can see no.

 

Not trying to start a stink.


Eddie Fleming



#2802 Racer36

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Posted 19 February 2017 - 11:40 AM

The Razzo is sort of cool. Have you raced one of those?
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#2803 Cap Henry

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Posted 19 February 2017 - 12:03 PM

Thanks Mike

Eddie, I feel it is, the .062 rails completely connect with the 6 .039 rails. There's no rule saying the rails have to be one piece or the same size. When I do the next ones with bigger wire and less rails I'll put an extra bend at the end so that the rails have more overlap, but I figured .2 of overlap on this was enough.

Dennis, haven't run any of them yet, have a few to build though

#2804 Half Fast

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Posted 19 February 2017 - 02:35 PM

The rule in question is this one:

 

3i. Wire or tubing rails must connect the front
and rear sections of the chassis. Using metal
strip for this purpose is not permitted. A rail is
defined as that which connects the motor
bracket to the front of the chassis.

 

I report you decide

 

Cheers


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Never attribute to malice that which is adequately explained by stupidity

 

 

 
 

#2805 Cap Henry

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Posted 19 February 2017 - 03:27 PM

Doesn't say the rail has to be one piece or the same size.
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#2806 Racer36

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Posted 19 February 2017 - 03:29 PM

The Razzo is sort of cool. Have you raced one of those?
Dennis Dominey
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#2807 Cap Henry

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Posted 19 February 2017 - 03:34 PM

Not yet

#2808 Cap Henry

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Posted 19 February 2017 - 09:05 PM

56606f9ff66bb2b54a666b91ec733aae.jpg
Another new Razzo


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#2809 Josh Crutchfield

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Posted 19 February 2017 - 09:14 PM

Cap is a building machine.

#2810 Taylor Davis

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Posted 20 February 2017 - 07:47 AM

56606f9ff66bb2b54a666b91ec733aae.jpg
Another new Razzo


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I don't think you had to do the overlap on the outer rails on this one, because the inner rails go from front bracket to motor bracket

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#2811 Eddie Fleming

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Posted 20 February 2017 - 08:05 AM

I don't think you had to do the overlap on the outer rails on this one, because the inner rails go from front bracket to motor bracket

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If the inner rails are not soldered in the tubes at the front that is not true IMHO.


Eddie Fleming

#2812 Cap Henry

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Posted 20 February 2017 - 08:10 AM

Taylor, Eddie is correct. The forks are not soldered into the tubes, so to be rules compliant the overlap was needed 😊
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#2813 Taylor Davis

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Posted 20 February 2017 - 08:38 AM

Thanks guys

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#2814 Dominator

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Posted 28 February 2017 - 06:21 PM

Here's a variation of the one I built in post 2798. Rail combination is .055 inner rails and .062 outer rails. This was changed to give the chassis a little more flex and drivability on Modelville Hobby's Sovereign. I used a .032 spacer for the guide tongue spacer instead of the .064. The center weight was re-designed too. Both of these changes moved weight from the front to the middle/rear of the chassis. Some of the weight I saved was added to the pans as these were made slightly wider. The end result was a race ready car at 106.7 grams. The one pictured came in at 112.6 grams which is perfect for the Sovereign.

Brass is all .032.
Center weight is .016
CR 1.380" motor bracket and guide tongue
15/16" guide lead
4" wheel base.

20170225_192729.jpg
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A motor is only as fast as the chassis it's in.
 
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NERR photos from 2012-April 2016
NERR photos from 2016 to now

#2815 Ralph Middaugh

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Posted 03 March 2017 - 08:41 PM

New F1 12 rails of 39 wire outer rails are 62 wire and brassimage.jpeg image.jpeg image.jpeg image.jpeg
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#2816 Cap Henry

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Posted 04 March 2017 - 02:44 AM

c9d1161eba5eac7721a808c3ffc274ac.jpg
New Scratchbuilt Tuning Fork F1, all brass is .060, Swiss Guide Tongue and Bracket. 60 grams, built for driving tracks


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#2817 Cap Henry

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Posted 04 March 2017 - 03:48 PM

1d055340ab6abc2b6586f4d024e92767.jpg
Bad Photo, New Razzo built for Joe Ligouri


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#2818 James Grandi

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Posted 04 March 2017 - 08:42 PM

Nice builds Cap. Those twin .055 straight rails on the scratchbuild F1?


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#2819 Cap Henry

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Posted 04 March 2017 - 09:26 PM

Yes they are, no idea how it'll work lol
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#2820 Cap Henry

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Posted 07 March 2017 - 02:37 PM

4e493943ad0cd65d3deacd57e38aa9f8.jpg

Last new car for R4. Five rails of .047 copied from Tony P, 1" Swiss bracket, Duffy guide tongue, DS7 pans, and a Cut-up Warmack plate. 4" wheelbase, .9" guide lead. 53 grams.
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#2821 Matt Sheldon

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Posted 07 March 2017 - 03:21 PM

4e493943ad0cd65d3deacd57e38aa9f8.jpg
Last new car for R4. 5 rails of .047 copied from Tony P, 1" Swiss Bracket, Duffy Guide Tongue, DS7 pans, and a Cut Up Warmack Plate. 4" WB, .9" GL. 53 Grams


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More random parts than a Calico cat!


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#2822 Cap Henry

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Posted 07 March 2017 - 03:26 PM

Beat my personal record of three different manufacturers in one car LOL.

#2823 tonyp

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Posted 07 March 2017 - 03:33 PM

No uprights on the front of the axle? Don't back it into the wall. LOL.

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#2824 Cap Henry

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Posted 07 March 2017 - 03:39 PM

Are you talking about the front or rear axle? The front axle has folded brass uprights as well as the wire uprights, the rear axle tube has .062" 90 degree braces on the outside of the bracket on each side. I can squeeze it between my two fingers and can't flex the bracket LOL.

Who crashes these days?

#2825 tonyp

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Posted 07 March 2017 - 03:41 PM

Front I missed the brass upright on my phone. Feel free to put it in wall backwards. LOL.
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