Topic: Solved - NEH 4070: Bobsy SR-4 prototype built by Stephen Payne Herbert with Porsche engine - 1967

[Carnut]

Bobsy chassis ?

Progress!
Yes it is, so I'll lock it for you until your next reply.

[oko94]

1967 Bobsy SR-4 with Porsche engine and body built by Steven Payne Herbert

[Carnut]

We got there!
Well done.

[oko94]

Thanks !

I haven't found any evidence of this car being raced in USRRC, do you have more information about that ? The closest I could find is a Bobsy SR3 with an unspecified engine entered at the 1967 USRRC race in Mid-Ohio.

[Carnut]

Thanks !

I haven't found any evidence of this car being raced in USRRC, do you have more information about that ? The closest I could find is a Bobsy SR3 with an unspecified engine entered at the 1967 USRRC race in Mid-Ohio.

I had a picture of this car competing at Nelson Ledges, which I understood to be a USRRC location.

I'm away now until Wednesday bit I'll see if I can find it again when I get back.

[nicanary]

The car looks very advanced for the time, as we have said before. According to the Bobsy Register, the SR4 was not introduced until 1970, and only one was made, with a Lotus twin-cam engine. Having said that, further information on the net suggests that 2 or 3 were made.

The SR5 had bodywork like the puzzle car, and came out in 1971. I wonder whether the owner of this car used parts from a 1967 Bobsy (probably an SR3) and that's where the date comes from, and he added the engine and new bodywork in the early 1970s?

[Carnut]

The following came from a Bobsy websigte:

QUOTE
We're only aware of the one Bobsy SR-4 Prototype originally with a Lotus Twin Cam engine that was completed at the time.  Apparently Mong started designing the SR-4 Prototype in 1967.   Evidence suggests that several SR-4 Prototypes were at least started (maybe four,  according to Jerry Mong's notes).

Another was sold as a chassis only to Steven Payne Herbert who fitted a Porsche engine and constructed a homemade wide body.  That car is now owned by David Irwin.  The picture at left is the car at Nelson Ledges with Steven and Uncle Dick.
UNQUOTE

This one is the puzzle car, which I perhaps wrongly assumed was from around the same time, as Mong had moved on to the SR-5 within a couple of years.  As said, I thought the Nelson Ledges races were part of the USRRC series, but perhaps I'm wrong?