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Post by kiwicanfly on Oct 21, 2012 7:12:11 GMT
Bit confused down here in NZ erik. That's a pretty violent green in the first link. But what's the Britten Bike got to do with powder coating colours? Rob |
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Post by Paul (madeye) on Oct 21, 2012 7:59:26 GMT
Tbh, I thought that but just left it....
Lol..
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Post by erik on Oct 21, 2012 11:40:26 GMT
Bit confused down here in NZ erik.
That's a pretty violent green in the first link.
But what's the Britten Bike got to do with powder coating colours?
Rob
-----------------------------------------------------------
What confuses me is why you get confused about green?
Could have linked a pink/blue butterfly if i knew I offended someone.
my sincere apologies.
br,
Erik
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Post by Paul (madeye) on Oct 21, 2012 11:43:06 GMT
no offence to me mate, was just a bit confused, lol
skin like a rhinos arse cheek me
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Post by Deleted on Oct 21, 2012 15:31:38 GMT
I've just been reading the iva manual about the seatbelt situation, it doesn't state you can't pass it round the tube, its a larger radius and safer and acceptable in racing. Anyone got any more info? is there an IVA help line? In my line of work, regarding restraint for working at height, I would use an "unquestionable sound anchor point". So, I'd argue that a roll bar bolted on/welded on given appropriate thickness and correct mounting ie 8.8 graded + would suffice. As long as the belts don't pull through buckles and are prevented from doing so. What mr iva says would be another matter  |
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Post by Paul (madeye) on Oct 21, 2012 16:05:46 GMT
But I would have to feed it through a bracket of about 3-4mm plate to bolt in. This makes a sharp return instead of a 25mm radius curve, I weld and bolt secondary fix instead of not weakening the fixing at all. I'll try contact them cos the race way of doing it MUST be a better option.
If not its Bul1§hit..lol
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Post by Deleted on Oct 21, 2012 18:11:52 GMT
The main bones of contention are strength, fixing height, edges, ratings of bolts. The height of the rear fixings are checked in relation to the seat base. I will have a closer look at the iva manual tomorow . I think you can contact Vosa, and an examiner can call you back at some point to answer your questions. |
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Post by airforceone on Oct 21, 2012 18:52:46 GMT
For the sake of the 30 mins required just to cut a piece of angle Iron to attach the Bolts/eyebolts
too, you can then wrap them round the bar on completion of the IVA, as I am going to
do.
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Post by Deleted on Oct 21, 2012 18:55:09 GMT
For the sake of the 30 mins required just to cut a piece of angle Iron to attach the Bolts/eyebolts too, you can then wrap them round the bar on completion of the IVA, as I am going to do. True, we're all building two cars, one for iva, then when it's over ...Open season lol. |
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Post by kiwicanfly on Oct 22, 2012 1:09:02 GMT
Bit confused down here in NZ erik. That's a pretty violent green in the first link. But what's the Britten Bike got to do with powder coating colours? Rob ----------------------------------------------------------- What confuses me is why you get confused about green? Could have linked a pink/blue butterfly if i knew I offended someone. my sincere apologies. br, Erik Hey Erik I wasn't offended just confused. I thought the powder coat link was to a more durable type rather than a colour preference. And was not sure what the Britten link had to do with powder coating. Rob |
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Post by Paul (madeye) on Oct 25, 2012 12:07:12 GMT
For the sake of the 30 mins required just to cut a piece of angle Iron to attach the Bolts/eyebolts too, you can then wrap them round the bar on completion of the IVA, as I am going to do. can you elaborate on this? i cant picture what you mean..  my stupidity is sometimes overwhelming.. |
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Post by airforceone on Oct 25, 2012 12:20:15 GMT
If you look at JimK's build, page 3, 4th/5th pics down you will see what I mean. I have done
exactly the same as he has done. Jim's are a bit fancier with cut-outs but you get the idea.
£10 for a bit of angle iron 500mm long, with one face 100mm and the other 75mm.
Cut it in half, then drill 4 holes in each half to line up with the seat belt holes on the
cross member and the holes in your seats. 30 mins work, easy.
On completion of IVA you can either keep them attached or just unbolt
and remove then fix the seatbelt by wrapping it round the cross
member.
Then I'm sure if you don't want to keep them, another mogger will buy them for IVA
purposes. I may sell mine when I get it back next week but there may be issues with
holes lining up on a different chassis. Sorry I don't have any pics of mine fitted I was
in a rush to get it completed for IVA and then My 6 week trip abroad was sprung on me
at the last minute.
I will supply any pics needed as of next Thursday when I collect it from RTR.
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Post by Deleted on Oct 25, 2012 13:27:17 GMT
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Post by Paul (madeye) on Oct 25, 2012 16:56:40 GMT
and now its all clear.. cheers gents..
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Post by pauljones915 on Oct 31, 2012 20:03:19 GMT
Paul my friend,
Hows the course going? Anyway a quick point on the damage to the chassis components if i can raise that again,My standard lotus chassis is built along the same concept,if you look at the wishbones they are really just a "c" section of bar.The reasoning behind it being if you crash then it would save ths chassis,a natural weak link if you will. All good.
My problem is the strength of your suspension mounts and the direction of abnormal loads. as has been said F1 cars are strong in 1 direction but,and commonly happens,snap in another.This is the way they are designed and is also to do with the way carbon fibre works amonst other things ie, its not a "moving" suspension system but a "flexing" of components.
I would personaly like to see bracing in the form of triangulation and correct possitioning of load mouting structures, like suspension moutings.So that in the effent of a collision (abnormal loads) the energy has a defined direction of travel and dispersion. This will a: limit the effect of distortion to the chassis in the zone of initial impact, and b: reduce or elliminate the risk of damage and distortion due to "indirect violence/abnormal loads.
These are the sort of things im paying attention too when i re design my chassis for the Elan and 7.
Loving the progress mate,take care.
Paul
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