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BWA bracket question


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#1 Cap Henry

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Posted 27 March 2015 - 10:34 AM

Can anyone tell me how wide the old BWA bracket was? I'm assuming its between 3/4" and 1"?

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#2 Noose

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Posted 27 March 2015 - 10:39 AM

The original one, Cap? Or the other one by Professor Motor?

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#3 Cap Henry

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Posted 27 March 2015 - 11:14 AM

Well. I guess both LOL.

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#4 Noose

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Posted 27 March 2015 - 11:25 AM

I have a car with the original I can measure tonight for ya unless someone else says they know what it is.


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Joe "Noose" Neumeister
Sometimes known as a serial despoiler of the clear purity of virgin Lexan bodies. Lexan is my canvas!
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#5 Pablo

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Posted 27 March 2015 - 01:41 PM

I have both here, Cap.

The original mikes at .833", the PM mikes at .865".

Those are max widths - the original had rail holes inboard, and the PM has channels for rails. They are a totally different animal, but both are nice products.

If you need more measurements regarding the BWA holes and/or the PM "rail channels", I'm here.
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#6 Noose

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Posted 27 March 2015 - 01:47 PM

Thanks, Pablo. Saved me doing it. I agree they are totally different too, although they may look similar.

Joe "Noose" Neumeister
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#7 Cap Henry

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Posted 27 March 2015 - 02:22 PM

Thanks, Pablo. Was trying to arrange a copy of a car that used a BWA bracket and it was causing some issues LOL.

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#8 Pablo

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Posted 27 March 2015 - 02:40 PM

No problemo, Cap. On the original, you had 2 choices, rails to the outsides, or utilize the holes, which were not only inboard, but raised up off ground zero somewhat.

If you are talking a retro car, it probably was an original BWA, and the rails were almost surely at ground zero outside the bracket, not in the holes.

That being said, your answer is about .833

Kisling won IRRA® F1 with a Tony P chassis at the first R4 with that bracket. I'll bet it was an original BWA but only Tony would know for sure. The rails were outside, not in the holes.


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#9 Cap Henry

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Posted 27 March 2015 - 04:09 PM

Yea they were outside. I was able to use a 1" bracket and make it all correct.

Thank you Pablo :)

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#10 Bill from NH

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Posted 27 March 2015 - 04:37 PM

Those holes in the BWA brackets fit .047" piano wire, something used widely by 1/32 scratchbuilders. I never saw a 1/24 chassis that used those holes drilled out for larger diameter wire, but it could have easily been done.


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