Scratch built car
Discussion
Storer said:
Andy
Now my build is pretty much on hold for a few months we need you to keep the posts coming to feed the interest on here. There is no doubt your fabrication skills exceed mine (and probably most other readers) so we are watching and learning.
Paul
Thanks for the comments Paul but like you I have a few other jobs in hand, all project car related. I have started work building the English wheel and this should keep me busy for the next month and then I can start looking at reshaping the roof profile.Now my build is pretty much on hold for a few months we need you to keep the posts coming to feed the interest on here. There is no doubt your fabrication skills exceed mine (and probably most other readers) so we are watching and learning.
Paul
Andy
Storer said:
Oooooh, an English wheel build.
Please post details of the build as I will need one eventually and most of the old Edwards one's I have seen are big money (£3500). I was thinking of making one if I haven't found a cheap Edwards by the time I need it.
Paul
If you are interested Paul then I will but up some pictures of the wheel build. AndyPlease post details of the build as I will need one eventually and most of the old Edwards one's I have seen are big money (£3500). I was thinking of making one if I haven't found a cheap Edwards by the time I need it.
Paul
fatbutt said:
English wheels are still very popular over here in the US due to the custom car scene. You can get the top end brands for $2500. Cheap stuff from Harbor Freight is half that.
http://www.englishwheels.net/15.html
Building the frame and adjuster is straightforward but I have treated myself to a set of hoosier profiles. Andyhttp://www.englishwheels.net/15.html
Storer said:
That English Wheel looks a very professional build.
How did you come up with the design?
Paul
The frame stiffness, panel size to be made and space to work the panel are all important parameters. The frame stiffness index values were obtained using Richard Ferguson spreadsheet. The adjuster is based upon Kerry Pinkerton design (Imperial Wheeling Machines). I wanted a removal lower arm so I could change the angle if required or the wheel size. I have included a few more pictures.How did you come up with the design?
Paul
Andy
Storer said:
Again, impressive engineering and research.
I am curious as to why modern wheeling machines are designed differently to the older machines where the top wheel is carried on a shaft that runs to the rear of the arc of the frame (e.g. F W Edwards)?
Clearly it would require substantial shaft strength and a good large bearing but does it have a design value when using the wheel?
I know our forefathers were inclined to over engineer everything, but is the design a result of not being able to arc weld?
Paul
Hi Paul, at the end of the day it’s the force you can apply the metal to be formed. Lots of fabricated (cheap) wheels have soft frames so the metal is slow to form (think of the frame as a big spring). You also have to consider whether to use contact flats or true radius anvils and what width and diameter you will use. By building your own machine you can dictate your own specification. My wheel has a 850mm throat which mean I can form a panel of 1600mm and that big if it’s just you.I am curious as to why modern wheeling machines are designed differently to the older machines where the top wheel is carried on a shaft that runs to the rear of the arc of the frame (e.g. F W Edwards)?
Clearly it would require substantial shaft strength and a good large bearing but does it have a design value when using the wheel?
I know our forefathers were inclined to over engineer everything, but is the design a result of not being able to arc weld?
Paul
Andy
Edited by No Sound on Tuesday 29th April 21:58
Storer said:
Hi Andy
I like the idea of using a wheeling machine from the same era as the chassis or engine and they seem to make good investments too (being an old git I need to think about these things).
If I do end up making one it is bound to be over engineered and bloo*y heavy. An example is my welding table. 2m x 1m and over 0.5 tonnes in weight!!!!
Probably not look as good as yours though.
Paul
Ok from the same era, so I now expect Thor to be built from 1050H14 ally using gas to weld the panel sections. Don’t even think of using Tig or Mig.I like the idea of using a wheeling machine from the same era as the chassis or engine and they seem to make good investments too (being an old git I need to think about these things).
If I do end up making one it is bound to be over engineered and bloo*y heavy. An example is my welding table. 2m x 1m and over 0.5 tonnes in weight!!!!
Probably not look as good as yours though.
Paul
Andy
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