wonderfulweasel
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| posted on 11/10/22 at 07:56 AM |
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Collapsible Steering wheel boss IVA
I failed my IVA last week. One of the Fail items was the lack of a collapsible boss for the steering wheel. I have a Sierra steering column and a
Mountney style wheel with Westfield padding.
I had thought that the corrugated part of the column (hidden beneath the shroud and dash) provided the compressible element from the drivers end.
Stupidly, I forgot to show the tester this at the time. Does anyone know if I am correct and would be ok to show him that part of the steering?
(Ideally from recent experience). Or do I need to get hold of one of the collapsible bosses for the steering wheel?
Thanks for any advice that can be given.
[Edited on 11/10/22 by wonderfulweasel]
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Stuart Walker
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| posted on 11/10/22 at 08:40 AM |
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I can't be 100% sure so not a particularly helpful reply I'm afraid, but -
at my first test I had a Sierra wheel (no collapsible boss) with the collapsible column and it wasn't highlighted as a fail. However we had
already agreed I would need to replace the wheel anyway, and I had the other one with me (with collapsible boss attached) and the tester had seen
this, so it might be that he didn't highlight it as a fail because he knew I'd be switching to one with the boss.
On the second test I had a collapsible boss (and the column) and passed no problem, but I recall it was the boss he looked at.
About as much help as a... sorry! 
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40inches
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| posted on 11/10/22 at 09:38 AM |
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quote:
Originally posted by wonderfulweasel
I failed my IVA last week. One of the Fail items was the lack of a collapsible boss for the steering wheel. I have a Sierra steering column and a
Mountney style wheel with Westfield padding.
I had thought that the corrugated part of the column (hidden beneath the shroud and dash) provided the compressible element from the drivers end.
Stupidly, I forgot to show the tester this at the time. Does anyone know if I am correct and would be ok to show him that part of the steering?
(Ideally from recent experience). Or do I need to get hold of one of the collapsible bosses for the steering wheel?
Thanks for any advice that can be given.
[Edited on 11/10/22 by wonderfulweasel]
You are correct about the column being collapsible plus the triangular section also retracts into the column top.
I would think that nearly all Locost/7 style kits have used the Sierra column and passed SVA/IVA.
Edit to add that I didn't use the Siera column, but a MGTF column, it didn't have a collapsable section, but 2 UJ's instead. This was
checked at IVA and passed.
[Edited on 11-10-22 by 40inches]
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Charlie_Zetec
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| posted on 11/10/22 at 10:43 AM |
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I seem to recall that part of the column had to be collapsible, not every aspect of it - so the Sierra column and non-fixed lower (with the UJ's)
should have been acceptable had it been seen. I would either call the tester/test centre or send an email with pictures requesting clarification, and
try to get a response in writing. Frustrating if this is the only thing it failed on, but suck up the £90 retest fee and go back with evidence
in-hand!
Artificial intelligence is no match for natural stupidity!
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wonderfulweasel
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| posted on 11/10/22 at 10:45 AM |
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There were a couple of other bits. I just don’t want to go back without changing it and fail again on the same!
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russbost
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| posted on 11/10/22 at 12:43 PM |
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Unfortunately I think this is about the greyest of the grey areas in the manual - I have read & re-read the steering column section loads of times
& have never fully been able to make sense of it.
My understanding is that if you have u/j joints set such that the lower part of the column collapses "sideways" rather than a solid column
pushing forces toward the driver then a collapsible column , such as pretty much any vaguely modern car would have is all that's required, SFAIK
there is no requirement for a separate collapsible boss. I have put around a dozen or so Furore's through the test plus a few customer's
built similarly & never been asked for a collapsible boss.
Having said that, unless you are able to phone the test centre & speak to the tester (I would imagine fat chance) or speak to VOSA, you are stuck
with that tester's opinion. Try Mark Vickers, Steve Jones, Stuart Rangecroft 01792 454351 at VOSA which I've used in the past, but no idea
if still valid, email stuart.rangecroft@vosa.gov.uk or Steve.James
If you can't speak to someone you don't want to risk another retest so I'd suggest ask on here if anyone has a collapsible boss
they'd lend you for the test
I no longer run Furore Products or Furore Cars Ltd, but would still highly recommend them for Acewell dashes, projector headlights, dominator
headlights, indicators, mirrors etc, best prices in the UK! Take a look at http://www.furoreproducts.co.uk/ or find more parts on Ebay, user names
furoreltd & furoreproducts, discounts available for LCB users.
Don't forget Stainless Steel Braided brake hoses, made to your exact requirements in any of around 16 colours.
http://shop.ebay.co.uk/furoreproducts/m.html?_dmd=1&_ipg=50&_sop=12&_rdc=1
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Neville Jones
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| posted on 11/10/22 at 01:11 PM |
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My son IVA'd his car at Bristol a year ago, and was 'failed' on the same boss issue.( as the boss was the only issue, they let him go
as they were impressed by the build.) He had to promise to add the boss.
The steering was as above. Sierra column with sliding section and uj's offset. But collapsable section under the wheel was still required. Every
tester will have his own interpretation.
[Edited on 11/10/22 by Neville Jones]
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nick205
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| posted on 11/10/22 at 01:43 PM |
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SVA for me, pre IVA and a good few years ago so rules may be different. However, my Sierra based MK Indy passed fine using the Sierra steering column
and Sierra steering wheel. The Sierra wheel was changed after for a smaller diamter one.
It certainly didn't have a "collapsible steering wheel boss".
There was a rule about the centre of the steering wheel being padded, but the Sierra wheel complied with that and was fine (part of the reason I used
it for the test.
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adithorp
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| posted on 11/10/22 at 07:00 PM |
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Remember the column has to protect you from...
A) it being punched towards you from the bottom.
B) from you flying into it from the top (yes i know "seat belts" but thats the way it is)
A) is achieved by the collapable column section and/or offset links.
B) is done either by wheel padding and a collapsible boss or a certified padded collapsible wheel (like the Sierra one)
Most opt to use the Sierra wheel as it also gives a larger exempt area on the dash and then replace after.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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wonderfulweasel
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| posted on 11/10/22 at 10:13 PM |
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Thanks for all of the replies. I think a Sierra wheel is probably the way to go. Something tells me that’s going to be easier than finding a
collapsible boss at short notice!
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JC
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| posted on 12/10/22 at 02:30 AM |
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I 'think' I may have a Sierra wheel in the Garage.....I know I used to but can't remember if I gifted it elsewhere with a load of other
bits! I'm away until Saturday but can check if that helps?
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nick205
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| posted on 12/10/22 at 07:28 AM |
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quote:
Originally posted by adithorp
Remember the column has to protect you from...
A) it being punched towards you from the bottom.
B) from you flying into it from the top (yes i know "seat belts" but thats the way it is)
A) is achieved by the collapable column section and/or offset links.
B) is done either by wheel padding and a collapsible boss or a certified padded collapsible wheel (like the Sierra one)
Most opt to use the Sierra wheel as it also gives a larger exempt area on the dash and then replace after.
"Most opt to use the Sierra wheel as it also gives a larger exempt area on the dash and then replace after"
This was me for my SVA test:
1. It gave me good dash coverage area to ensure I didn't have to worry about too much.
2. It also saved me a few £££ at the time from having to buy a new steering wheel as the Sierra one was there and ready to use (+ fitted the steering
column).
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wonderfulweasel
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| posted on 12/10/22 at 07:37 PM |
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If you could check JC, that would be most helpful.
I’ve got my eye on a couple on the dreaded eBay, so will let you know if I do get sorted before the weekend!
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JC
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| posted on 22/10/22 at 01:28 PM |
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Hi there,
I finally got to check the garage.
I have 2 Sierra wheels, one standard wheel - yours for whatever the postage is, and one Ford 3 spoke steering wheel - not an RS but very similar, make
me an offer for that… I can put up photos of either.
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wonderfulweasel
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| posted on 22/10/22 at 02:05 PM |
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Thanks JC. I did manage to get one cheap, which has cleaned up ok.
Retest is on Wednesday, so hopefully this has sorted the collapsible boss issue!
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