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Author: Subject: Bodywork for CANAMSA
Delinquent

posted on 31/8/07 at 12:57 PM Reply With Quote
front splitter differs on most of the pics?
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Dale

posted on 31/8/07 at 01:11 PM Reply With Quote
Gentle curve downward on the door?
Dale





Thanks
Dale

my 14 and11 year old boys 15
and 12 now say they will have there license before the car is done- now turning 19 and 16

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sgraber

posted on 31/8/07 at 01:42 PM Reply With Quote
c'mon - tell us already !





Steve Graber
http://www.grabercars.com/

"Quickness through lightness"

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Fred W B

posted on 31/8/07 at 02:13 PM Reply With Quote
All right - look at the length of the tail of the body aft of the rear wheel arch. It's most apparent if you look backwards along in line with the top of the rear tyre.

I could not understand that no matter what I did with the blend of the rear lower section into the rear panel with the holes I could not get it to look right.

As far as I can tell from scaling photo's I have to shorten my plug behind the rear arch by about 160 to 170 mm

Cheers

Fred W B

[Edited on 31/8/07 by Fred W B]





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RazMan

posted on 31/8/07 at 02:36 PM Reply With Quote
Ahhh I see it now - the tail section is noticeably shorter now that you mention it.

A bit of cut'n'shut needed then Fred?





Cheers,
Raz

When thinking outside the box doesn't work any more, it's time to build a new box

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sgraber

posted on 31/8/07 at 03:31 PM Reply With Quote
yes, I see it now too. Very subtle indeed.





Steve Graber
http://www.grabercars.com/

"Quickness through lightness"

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adithorp

posted on 31/8/07 at 08:10 PM Reply With Quote
So why would the models be wrong?

There wasn't a special body work for some events was there? Not sure about now but endurence race cars ran different bodywork for Le-Mans due to the sustained high speeds down the strieght, back in the '80s when I used to follow it.

adrian

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Fred W B

posted on 9/10/07 at 06:46 PM Reply With Quote
So the tail used to look like this


[img][/img]





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Fred W B

posted on 9/10/07 at 06:48 PM Reply With Quote
Now it looks like this

[img][/img]





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Fred W B

posted on 9/10/07 at 06:57 PM Reply With Quote
The rear transom panel turned into a real mission


buck 47
buck 47






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sgraber

posted on 9/10/07 at 06:59 PM Reply With Quote
WOW. again - WOW.

Lovin it.





Steve Graber
http://www.grabercars.com/

"Quickness through lightness"

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Fred W B

posted on 9/10/07 at 07:00 PM Reply With Quote
But it's now pretty much done, just a few holes to fill and edges to straighten

Note the foam dust lying like snow on the floor along the wall. I blow it away with an airline, it's easier than sweeping up all the time.

Cheers

Fred W B


buck 48 003
buck 48 003



[Edited on 9/10/07 by Fred W B]





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Fred W B

posted on 9/10/07 at 07:01 PM Reply With Quote
Thanks Steve, you got in just as I was posting the last picture

Cheers

Fred W B





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Delinquent

posted on 9/10/07 at 09:47 PM Reply With Quote
Have to say Fred, Hats off to you, really no way I could cope with all that manual input, would drive me barmy!
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gttman

posted on 10/10/07 at 12:57 PM Reply With Quote
quote:
Originally posted by Delinquent
Have to say Fred, Hats off to you, really no way I could cope with all that manual input, would drive me barmy!


But doing it in CAD would drive me barmy.





Andygtt

Please redefine your limits

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Delinquent

posted on 10/10/07 at 01:01 PM Reply With Quote
quote:
Originally posted by gttman
quote:
Originally posted by Delinquent
Have to say Fred, Hats off to you, really no way I could cope with all that manual input, would drive me barmy!


But doing it in CAD would drive me barmy.


well yes, that's true as well - with CAD though, a mistake means usually tweaking a few spline co-ordinates and examining the difference, it's the fact Fred's taken the entire back end off again and re-sculpted it - would be heartbreaking having put so much effort in the first time!

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gttman

posted on 10/10/07 at 07:00 PM Reply With Quote
quote:
Originally posted by Delinquent
quote:
Originally posted by gttman
quote:
Originally posted by Delinquent
Have to say Fred, Hats off to you, really no way I could cope with all that manual input, would drive me barmy!


But doing it in CAD would drive me barmy.


well yes, that's true as well - with CAD though, a mistake means usually tweaking a few spline co-ordinates and examining the difference, it's the fact Fred's taken the entire back end off again and re-sculpted it - would be heartbreaking having put so much effort in the first time!


yep pretty much what I do..... but by doing it in the flesh we can also see the change in the flesh.

Also the satisfaction when you have put it right is quite nice.... I almost forget the pain of doing it for the 4th time.


BTW Fred, top job... keep up the good work.





Andygtt

Please redefine your limits

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Fred W B

posted on 17/11/07 at 05:45 PM Reply With Quote
Thanks for the comments guys.

Some more progress to report. I am now happy the rear panel is ready for skinning. All the openings have 1 degree slope returns and the edges are all radiused.

[img][/img]





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Fred W B

posted on 17/11/07 at 05:47 PM Reply With Quote
Moving to the mid section, I have mocked up a windscreen template in hardboard in order to establish the angle of the windscreen recess.


screen
screen






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Fred W B

posted on 17/11/07 at 05:49 PM Reply With Quote
Having reworked the LHS, I am now much happier with the blend into the top of the front wheel arch and the profile of the top of the door. Still have to finish off and do the RHS.

side rework
side rework



door mod
door mod


sideeeeeeeee
sideeeeeeeee


[Edited on 17/11/07 by Fred W B]





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Fred W B

posted on 17/11/07 at 06:02 PM Reply With Quote
We have been discussing the merits of CAD verses old fashioned trial and error following the rework I did to shorten the tail. Here we see the other approach.

Andrew volunteered to do some more work on the nose of the car. This is the refined front view drawing, which was used to generate a tool path to cut the front 250 mm of the nose on his home made 3 axis CNC router. The part was cut in 3 sections which were glued together.

model fv
model fv



nose cut
nose cut



nose cut 2
nose cut 2


[Edited on 17/11/07 by Fred W B]

[Edited on 17/11/07 by Fred W B]





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Fred W B

posted on 17/11/07 at 06:08 PM Reply With Quote
And today I glued the nose on. I am now looking forward to adding the remaining foam and blending it in once the glue dries.

Cheers

Fred WB
[img][/img]





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RazMan

posted on 17/11/07 at 06:10 PM Reply With Quote
That 3D router certainly does a nice job Fred - what material is it working with?





Cheers,
Raz

When thinking outside the box doesn't work any more, it's time to build a new box

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Fred W B

posted on 17/11/07 at 06:49 PM Reply With Quote
Hi Raz.

The material you see there is polyurethane foam, with a density of about 32 kg/m2. That density is not ideal, heavier would be better.

Cheers

Fred W B

[Edited on 17/11/07 by Fred W B]





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jrevillug

posted on 17/11/07 at 11:52 PM Reply With Quote
Stunning work there. Lots of effort- and it shows.

The modified door looks spot on to me.

James

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