UK Karting - Notice Board (General Karting) : Re: It is also covered by 16.2. I believe.

Notice Board (General Karting)

Re: It is also covered by 16.2. I believe.
Posted by 'SimonS' on 19 Oct 2010 @ 17:29

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SimonSJoined: December 2004
Total Posts: 4
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QOT is right in that all the blue book requires is that the bumper is a single piece of steel as a minimum. It says nothing about how that single piece of steel has been built up, only that prior to bending the length is continuous. After all, a good fusion weld can be all but indistinguishable from the parent metal.

The obvious weakness in any bumper design with 'add on ears' is that the means of attachment could be inadequate. It would be quite possible to imagine that someone would arrive with the support brackets made from water pipe and use compression fittings to hold the top bar and an ear (extension loop) at each end.

If the problem was welding weakness, then you would not be allowed to weld the support tubes to the bumper the weld point being where the usually fail.

So clearly the intent was that a single tube could be rewelded to reform that continuous whole, with the scrutineer being able to inspect any weld and reject it if he considered it suspect.

And as QOT suggests, once one person has interpreted the rule incorrectly, they all do...or possibly they reject all 'amateur' welds as being suspect.

In the same vein, one notices that the chassis must be of one piece construction, brazed or welded, which is interpreted as meaning you can buld up the chassis from bits, but could mean that the main chassis tubes have to be continuous, and by coincidence, most chassis have one continuous tube running from one rear point, round the bow and back to the other rear point, with other tubes barzed or welded to it. But people do regard that main tube as being repairable. Possibly because the scrutineers are quite right in assuming that most people wouldn't risk a bad weld on the chassis, but would hold a bumper together with rubber hose.

Message Thread:

Welding bumpers by 'tkmracer9' (18 Oct 2010 @ 15:58)

Re: Welding bumpers by 'alanrr' (18 Oct 2010 @ 17:36)

Re: Welding bumpers by 'tkmracer9' (18 Oct 2010 @ 19:23)

Re: Welding bumpers by 'buzzinrussell' (18 Oct 2010 @ 21:32)

Re: Welding bumpers by 'tkmracer9' (18 Oct 2010 @ 22:56)

Re: Welding bumpers by 'QuickOldTimer' (18 Oct 2010 @ 23:54)

Re: Welding bumpers by 'alanrr' (19 Oct 2010 @ 0:34)

It is also covered by 16.2. I believe. by 'AlfieMoon' (19 Oct 2010 @ 1:21)

Re: It is also covered by 16.2. I believe. by 'SimonS' << You are here!

Re: It is also covered by 16.2. I believe. by 'AlfieMoon' (19 Oct 2010 @ 18:08)

Re: It is also covered by 16.2. I believe. by 'QuickOldTimer' (19 Oct 2010 @ 18:19)

Re: It is also covered by 16.2. I believe. by 'AlfieMoon' (19 Oct 2010 @ 20:41)

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