timwest167
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| posted on 7/12/05 at 01:08 PM |
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Dash Radii?
Hi all,
I plan to make the traditional plywood dash covered in vinyl. I have no room between the dash face and the stalks for padding, so the dash will be
hard. I understand that a hard bottom edge must have a radius of >19mm, but how far round should the radius curve? A, B or C?
Piccy
Is it OK to make just the bottom edge padded so that a 5mm radius can be used, or does this only apply if the whole dash is padded?
Thanks,
Tim
[Edited on 7/12/05 by timwest167]
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Ian Pearson
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| posted on 7/12/05 at 01:14 PM |
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I'm not sure. I went for option C. You could always give SVA in Swansea a ring. I have always found them quite helpful.
HTH, Ian.
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Hammerhead
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| posted on 7/12/05 at 01:38 PM |
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HI there,
You lightly pad the dash front if you wanted to with 1/2" V21 upholstery foam. This will pulldown to nothing on the edges but give you a nice
tactile face. Also you could use 1" hard roll (ask an upholsterer for some) this has a profile of a circle with a flap that can be stapled to
the back face of the dash. When the vinyl and foam is upholstered over it, it will not be visible but will give you an edge that should be good for
SVA.
The cost of the parts from a local upholsterer should be no more than £5. If you have any trouble getting the bits let me know.
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timwest167
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| posted on 8/12/05 at 04:56 PM |
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Nobody who has passed SVA (there must be lots of you somewhere) able to help?
Tim
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the moa 2
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| posted on 8/12/05 at 11:09 PM |
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You only have to cover the bottom and basically everything has to have a 5mm radius meaning the same curve as a 5mm cylinder .
Sorry if stating what you already know but i had problems sorting this.
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Mix
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| posted on 9/12/05 at 07:14 AM |
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5mm radius meaning the same curve as a 5mm cylinder
Confused   
Mick
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RazMan
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| posted on 10/12/05 at 11:43 AM |
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As the bottom of the dash needs to be a 19mm radius (or 38mm cylinder) I would have thought that 90 degrees (Pic A) would be the minimum and 270
degrees (Pic C) being ideal - at least Mr SVA's test pad wouldn't find any sharp edges.
[Edited on 10-12-05 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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rusty nuts
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| posted on 10/12/05 at 07:48 PM |
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Just used the radius as in picture A . but If I was doing it again would do it as pic B. Dash was the only part that had radius gauges used on it
when the car was SVAd. HTH
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Mark Allanson
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| posted on 10/12/05 at 09:37 PM |
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Mine passed with section B, I am sure A would fail as the contactable ball would contact the lower sharp edge
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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Triton
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| posted on 10/12/05 at 09:53 PM |
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"sharp" and "balls" the thought makes yer eyes water
My Daughter has taken over production of the damn fine Triton race seats and her contact email is emmatrs@live.co.uk.
www.tritonraceseats.com
www.hairyhedgehog.com
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timwest167
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| posted on 12/12/05 at 10:57 AM |
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Thanks for the help. Think I'll go for B, C being extra work and A would still have a sharp edge on the back/bottom.
Tim
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timwest167
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| posted on 15/12/05 at 11:00 AM |
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I presume the top of the dash will need a >3.2mm radius?
Tim
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