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Old 02-28-2015, 12:20 AM
jcoh jcoh is offline
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Default A little 50's Racer project

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Size:  80.2 KBHello everyone here is my first post although this project has been aired on another site so hope not too many people will be bored !
This is based on a European monocoque platform,all steel work has been fabricated by hand with use of folding break jenny/swager, pullmax and of course a good compliment of hammers and dollys and a set of good old fashioned gas welding bottles teamed up with my ubiquitous Dillon/Henrob/Cobra torch( well it is in my workshop! )
The body sections you see I roughed out but did not assemble.
Hope you find it interesting and there aren't too many pics.
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Last edited by jcoh; 02-28-2015 at 12:36 AM.
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Old 02-28-2015, 03:24 AM
Gojeep Gojeep is offline
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Wow, great to see Julian.
I have not followed any builds on the other site so it is all new to me. Please don't hold back on the pictures.
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  #3  
Old 02-28-2015, 05:58 AM
Kerry Pinkerton's Avatar
Kerry Pinkerton Kerry Pinkerton is offline
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Quote:
Originally Posted by jcoh View Post
...Hope you find it interesting and there aren't too many pics.
WOW is right Julian. We like pictures. MANY of our member have a dream of one day building a scratch built car. Being many years in on my own scratch built car, I fully understand that the skin is the easy part, it's the inner structure that is the hardest to visualize and get right. Yours looks like a lot of thought and pride went into it. Is it a copy of something or your own design?

I love it.

Quote:
Originally Posted by jcoh View Post
...This is based on a European monocoque platform. all steel work has been fabricated by hand with use of folding break jenny/swager, pullmax and of course a good compliment of hammers and dollys and a set of good old fashioned gas welding bottles teamed up with my ubiquitous Dillon/Henrob/Cobra torch( well it is in my workshop! ) The body sections you see I roughed out but did not assemble.
It took me a minute to realize that you built the monocoque from scratch. Very impressive. As much as the pretty skins are what draw the oohs and ahhs, the inner structure is what is the most difficult. You've done a very, very nice job. The curved hat channels are especially challenging. Can you share how you made them? (edit, upon closer inspection, it appears they were made from multiple angles and welded together?)

When you say you roughed out but did not assemble the body sections, can you elaborate? How did you rough out and how was it 'assembled'.

More more more
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Old 02-28-2015, 08:09 AM
route56wingnut route56wingnut is offline
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The information involving your approach to substructures is invaluable . Thanks for taking your time to share with us as we can't thank you enough .

Are you able to show any build shots of the work at your day job ? It's always nice to see what tools and equipment you are working with also . I know that from your classic training from David you were trained to do more with less . I wonder if you are exposed to more power equipment now that you are on this side of the pond and how you have or have not warmed to them .
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Old 02-28-2015, 08:22 AM
sblack sblack is offline
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Is this an established design or yoyr own? It looks very complex. Awesome work!!!
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Old 02-28-2015, 09:58 AM
gashammer gashammer is offline
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That looks great! Do you have any concept drawings you're working off of?
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  #7  
Old 02-28-2015, 12:50 PM
vroom vroom is offline
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WOW! What a post, great pictures. But, I am left with a few questions:
What were the steps to this point? Did you start with all your body parts formed? Did you form them on a buck? What type of buck? Did you lay the whole thing out in CAD first?

It looks like a VW wide 5 front axle which is pretty much what the Porsche 550s
used. This makes me wonder why you didn't use a twin tube frame?

I know this is a lot of questions but you know about curious minds.

Beautiful work and an inspiration!
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Old 02-28-2015, 01:06 PM
crystallographic crystallographic is offline
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Nice job, Julian. Period methodology came out well.
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  #9  
Old 02-28-2015, 01:23 PM
tom walker tom walker is offline
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Default gussetts

hello, impressive work to say the least! are the gussetts in these two members formed or fabricated?
thanx,
tom

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  #10  
Old 02-28-2015, 01:33 PM
jcoh jcoh is offline
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Ok, I shall try and answer a few questions in one reply.
Well ,is the frame my own design, well yes it is but based on these photos attached ! Honestly that was it from the start obviously a few more pics showing no more detail plus it was a coupe the original sister car to the racer. The car is based on a 4cv platform that is with no bulckhead so the front frame was based around what the original monocoque bulkhead looked like but adapting it to incorporate the top hat aircraft style rails and as there was very limited photo detail of the rear frame as you can see from the engine bay photo!! Obviously the coupe offered no help in this area but there were other cars based around this body shape built on ladder style chassis which were self supporting that required no stiffening just minimal support for the body A and B post details from these cars were avaliable in picture but only after I had made mine. Basically the design came from common sense and looking at contemporary vehicles it was built as I went along and underneath the allready made body sections. Name:  DSCN1371.jpg
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