Benonymous
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| posted on 11/6/10 at 07:19 AM |
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Plywood Chassis. The Costin Nathan Imp.
We were winding Dominic up on his build thread about his wooden mock up parts and I recalled this car.
The colour of this one isn't very attractive IMHO but it is a beautiful car. The Costin/Nathan Imp or GT
The centre section of this design was plywood treated with resin to make it weather proof.
This chassis is in need of a big dose of TLC but you can see the basic structure.
Part of the body work was aluminium and part GRP.
The front section carries the plywood right forward to the suspension pickup points as you see.
Here's a nice period cutaway of the open top varient. I think the open top was the Imp and the FHC was the GT.
I love Frank Costins designs and this one most of all. It embodies everything I like in a car: Light, simple and aerodynamic.
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Humbug
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| posted on 11/6/10 at 07:23 AM |
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Interesting...
Shame they didn't treat the rear frame with something 
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fha772
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| posted on 11/6/10 at 08:06 AM |
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Oooooooo, I like that!!
http://www.ppcmag.co.uk/forum/viewtopic.php?f=47&t=6743&start=105
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Benonymous
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| posted on 11/6/10 at 08:06 AM |
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Yeah. I think the rear space frame has had it, especially the rear torsion bar!
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MakeEverything
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| posted on 11/6/10 at 08:17 AM |
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nice find, though a full rebuild IMO.
Do you have the rest of the bodywork?
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Mal
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| posted on 11/6/10 at 10:08 AM |
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Is the fuel tank second, behind the radiator in the crumple zone?
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blakep82
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| posted on 11/6/10 at 12:09 PM |
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er, is there any metal at all in the centre section?
________________________
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don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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Dingz
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| posted on 11/6/10 at 12:47 PM |
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The early Marcos were plywood (as in costin) and the latter Amigo which had vauxhall running gear was wood based too. Ran at Le mans
Phoned the local ramblers club today, but the bloke who answered just
went on and on.
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BenB
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| posted on 11/6/10 at 02:32 PM |
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It looks to me like someone's got a pretty car and sat on it 
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iank
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| posted on 11/6/10 at 03:08 PM |
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Marcos GT is another pretty plywood car.
http://www.britishracecar.com/AndySeward-Marcos-GT.htm
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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Benonymous
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| posted on 12/6/10 at 03:44 AM |
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quote:
Originally posted by MakeEverything
nice find, though a full rebuild IMO.
Do you have the rest of the bodywork?
Sadly this is not my car Richard. I think it's mostly complete from the thread I was reading that contained the photos. The front and rear
clip were GRP. Based on the condition of the car they might be past saving. if the car was stored in a humid environment, the GRP may have suffered
osmosis which would render it into a wet cardboard state. The panels seen in the pictures are aluminium.
That Marcos GT is nice too but I prefer the Imp GT with its lovely low arched guards.
[Edited on 12/6/10 by Benonymous]
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britishtrident
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| posted on 12/6/10 at 08:27 PM |
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Problem with plywood is crash resistance, In his early days Jackie Stewart had a bad experience with a plywood Marcos.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Mark Allanson
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| posted on 13/6/10 at 06:58 PM |
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quote:
Originally posted by britishtrident
Problem with plywood is crash resistance, In his early days Jackie Stewart had a bad experience with a plywood Marcos.
I understand he got a few splinters
When plywood box sections are then laminated, they become exceptionally strong - I think the Mantula had this arrangement in the 70's
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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captkenn
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| posted on 6/8/13 at 06:09 PM |
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Costin Nathan GT
I owned a Costin Nathan GT - it was the oe entered for the BOAC 1000 km at Brands Hatch in 1971 and was used in club racing after that.
[Edited on 6/8/13 by captkenn]
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ceebmoj
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| posted on 6/8/13 at 06:22 PM |
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quote:
Originally posted by Mark Allanson
quote:
Originally posted by britishtrident
Problem with plywood is crash resistance, In his early days Jackie Stewart had a bad experience with a plywood Marcos.
I understand he got a few splinters
When plywood box sections are then laminated, they become exceptionally strong - I think the Mantula had this arrangement in the 70's
My Mantula is a steel chasis, I don't think any where wood. The earlere volvo powered cars are woden. You can spot them by the uneven loverors
on the bonner and no flair on the rear arch.
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Mark Allanson
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| posted on 18/8/13 at 09:56 AM |
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I have uneven loverors on my bonner too
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Mark Allanson
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| posted on 18/8/13 at 09:57 AM |
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If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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