Neil:
"Tipo 61" was referred to as "the Birdcage Maserati". Seem to remember that
they
continued the small-tube space-frame concept through one or two additional
models-- don't know if one was designated "Tipo 63", or not.
Russ Mack
"Albaugh, Neil" wrote:
> Bill;
>
> I'll have to admit that the round- tube chassis that I built was before the
> invention of "Joint Jiggers"-- it was a hacksaw and a round Nicholsen file
> job-- strictly a manual operation. The thing was built out of 1"OD 0.062"
> and 3/4" OD x 0.049" round mild steel tubing and the tube intersections were
> a nightmare to cut and to (torch) weld. Halfway through the project, I
> discovered braze welding (nickel-silver-bronze fillet brazing)and that
> solved the welding problems.
>
> The guys who fabricated the Tipo 63 (?) "Birdcage" Maserati chassis must
> have been commited to a lunatic asylum after a few weeks of that work.
>
> I'd still recommend square tubing for a chassis. At least if a round tube
> roll bar is welded to a square tube chassis, the intersection is still a
> straight cut.
>
> Regards, Neil Tucson, AZ
>
> -----Original Message-----
> From: ardunbill@webtv.net [mailto:ardunbill@webtv.net]
> Sent: Friday, December 07, 2001 2:56 PM
> To: Albaugh, Neil; land-speed@autox.team.net
> Subject: RE: lakester frame
>
> I cut all the regulation 1-5/8" x .125" round steel tubing for my
> roadster roll cage with one of Speedway's joint jiggers which uses a
> 1-3/4" hole saw in a 1/2" drill press. I followed the model in the SCTA
> Rules and Records Book. ONE hole saw did the WHOLE job, but Neil you
> are right, it ain't easy. This is a long job. The square tubing would
> undoubtedly be way easier for the frame, but the roll cage proper must
> be made of round tubing, I believe. Bill
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