johnemms
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| posted on 15/8/11 at 03:26 PM |
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Upper seat belt mounts
So I take it these will not pass IVA ..
Has anyone a pic of a 'pass' that i should adopt?
cheers
jon
[img] [/img]
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sprouts-car
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| posted on 15/8/11 at 04:18 PM |
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Whats wrong with them?
Build blog
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40inches
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| posted on 15/8/11 at 04:32 PM |
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quote:
Originally posted by sprouts-car
Whats wrong with them?
For some reason the OP has started another thread! http://www.locostbuilders.co.uk/forum/29/viewthread.php?tid=159568
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big_wasa
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| posted on 15/8/11 at 04:32 PM |
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They would if the bush went all the way through the tube and was welded both sides.
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johnemms
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| posted on 15/8/11 at 05:12 PM |
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I am tempted to drill right through so you could see the thread & weld top n bottom
but someone said the tube had to be the same diameter as the roll bar..
I did think of putting a long 8.8 bolt straight through the bar and into the top seat rail...
[img] [/img]
Sorry for the double post but was originaly asking for pictures of 'passes' .. just for ideas of which way to go...
[Edited on 15/8/11 by johnemms]
[Edited on 15/8/11 by johnemms]
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stevegough
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| posted on 16/8/11 at 08:55 AM |
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'Someone said' - sorry, but when you are unsure, go through the IVA manual, because 'someone', however well meaning they are,
may not be right? My car has a roll-over bar (part of the original chassis from Luego) which is 45mm diameter, and I got a local blacksmith to weld
on the support for the 4x top mounts as it didn't have one. This was done in 35mm dia. In addition, the mounting nuts are only fitted to one
side of this bar. I don't see any real problem with your current set - up - also - I don't think you even need to worry about the radius
issues as the 100mm sphere won't touch the mounts.
Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14
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johnemms
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| posted on 16/8/11 at 09:17 AM |
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I knew I'd seen this done on here ...
Thats why I was asking who had passed IVA with yours & mine type of fitting...
Or is there anyone producing a chassis with that fitting ??
Ah well ... :p
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wicket
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| posted on 16/8/11 at 08:04 PM |
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Here's what it actually says in the IVA manual
[Quote]
Threaded bushes should be welded (at both ends) through the tube, and not end mounted on the surface. (A threaded bush may be attached by its side
surface to a structural component).
[Quote]
Section 19 Annexe 3 Page 6
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blakep82
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| posted on 16/8/11 at 08:13 PM |
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if steve's passed, even though its not as stated in the manual, i want to know if mine WILL actually pass now.
 
seat belt eye
manual says threaded bushes should pass through and be welded at both ends, mine aren't threaded bushes, soooo... lol
if steves passed, you're is prctically identical, so seems good. but beware, its not how the manual says it should be
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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stevegough
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| posted on 16/8/11 at 08:26 PM |
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Mine are not threaded bushes, mine are 7/16 (IIRC) nuts.
Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14
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blakep82
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| posted on 16/8/11 at 08:42 PM |
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so very short threaded bushes then 
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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stevegough
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| posted on 16/8/11 at 09:44 PM |
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nuts.
Luego Locost C20XE.
Build start: October 6th 2008.
IVA passed Jan 28th 2011.
First drive Feb 10th 2011.
First show: Stoneleigh 1st/2nd May 2011.
'Used up' first engine may 3rd 2011!
Back on the road with 2nd engine may 24th
First PASA mad drive 26/7/11
Sold to Mike in Methyr Tydvil 19/03/14
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adithorp
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| posted on 16/8/11 at 09:46 PM |
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If I recall the SVA manual (assume the IVA one is the same) then Steve's shouldn't have passed. I think there are pictures of what is and
isn't allowed. Surface mounted/welded wasn't i seem to remember.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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Strontium Dog
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| posted on 16/8/11 at 09:46 PM |
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From my understanding of the IVA manual they should fail. I would weld fully threaded bushes in that pass through and weld both ends if it were me
anyway seeing as those two mountings are going to take most of the forces when you are hung in your harness during a front end crash. 
[Edited on 16/8/11 by Strontium Dog]
http://s187.photobucket.com/albums/x319/zephyr2000/General%20forum%20uploads/?action=view¤t=3DEngine.mp4
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designer
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| posted on 18/8/11 at 08:47 AM |
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Looking at the photos.
The belt will go down to get through the slots, but will they go up again to pass over your shoulders?
If so that could be a problem.
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eddie99
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| posted on 18/8/11 at 10:47 AM |
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Yeah i think the bigger problem is for them to go over the driver/passengers shoulders, they will be putting force on the top of the seat hole. I
believe this is a fail but again, check IVA manual.
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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 18/8/11 at 02:49 PM |
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The mount bushes need to be through and welded both sides, as said already.
The belt openings in the seat look OK. Check the height of the openings with what is required on the IVA website.
http://online.businesslink.gov.uk/Transport_files/124_IVA_M1_Inspection_Manual__Version_4.pdf
Pages 205 and 206.
Why doesn't every one building a car look at this IVA document??? You should know it from one end to the other before you even get started on a
build!!!!
Cheers,
Nev.
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