Club Cobra - Headrest

Club Cobra (http://www.clubcobra.com/forums/)

- Kirkham Motorsports (http://www.clubcobra.com/forums/kirkham-motorsports/)

- - Headrest (http://www.clubcobra.com/forums/kirkham-motorsports/107363-headrest.html)

I have been unable to find a headrest for KMP625 that looks period correct so I fabricated one. I got the billet clamps from JEGS and then fabricated the rest from polished 6061 aluminum. The clamps are .125 over so I could isolate with rubber. The headrest is has a base of .375 6061 and is then upholstered with a hide that matches the seat. Overall it looks like it came on the car while protecting my valuable brain.

aluminum bits: $100

upholstery: $250

cranial security: priceless :)

http://www.clubcobra.com/photopost/d...essed_0506.jpg

http://www.clubcobra.com/photopost/d...essed_0504.jpg

Mark

Mark... I put the images into your post.

ron
ClubCobra Moderator

Mark,

Very nice job. Very professional looking.

STupid Question .....Isn't period correct called whip lash LOL ? no really.... some one got a pic ?
SDR
________
Buy digital scale

Definitely a clean install.

That looks excellent!
You should consider making more than one.
You might have a few takers. ;)
rodneym

Quote:

Originally Posted by rodneym (Post 1085637)

That looks excellent!
You should consider making more than one.
You might have a few takers. ;)
rodneym

Very well done - sign me up for one, thanks :)

I don't think I have the time to make more of these but I can streamline the process for others.

The split aluminum clamp:

Jegs P/N H3R BMR01P

The aluminum stock I got from Speedy Metals

www.speedymetals.com

They are great to deal with and very inexpensive.

The crossbar and standoffs are .75" solid extrusions that I polished.

cross bar is 9.3125" long and the standoffs are 1.125"

To securely attach the headrest plate I made .175" deep hexagonal recesses to trap the nut and then secured by riveting .04" 6061 sheet over the nuts. The headrest is 12" wide and 6" tall, with the curvature scaled from the seat shape. The headrest is attached offset .75" away from center due to the central position position of the rollbar. I tried a number of approaches in my mockups starting with much smaller initial headrest widths but the best balance of aesthetics and protection was to make the headrest match the center to center dimensions of the rollbar and then offset it.

Upholstery is the biggest barrier to "mass" production as it is critical that the hide match the seat, and every hide is different. I left my passenger seat at the upholstery shop so they could match hide, piping, etc exactly. I used Sid's in Mountain View.

Mark

Awesome last post, Mark Thompson!

It would be great to get a collection of 'do-it-yourself' upgrades we could do to our Cobras, suppliers and all. How to make spats, billboard painting, etc. We know they're searchable in the forum but a convenient place would be cool, too. :cool:

rodneym

I built and installed the headrest as you designed them on my Factory Five 2 inch roll bars.The parts list you gave really helped and and made the project easy and fast.

Mark, outstanding job doing yours and thanks for sharing the "how to".
I intend to a set just as described, maybe go round headrest but the process will be the same.

I am glad you found this useful. I was surprised when I was putting the Kirkham together that there was little available information or products to support a good safety solution that looked good. KMP 625 now has 1100 miles and I have enjoyed every one.

Mark

Nice job, Mark. For additional safety, you might want to consider moving your belt attachment below the cowl (lower than your shoulders) so they can hold your shoulders down, not just back.

Quote:

Originally Posted by 4pipes (Post 1165061)

Nice job, Mark. For additional safety, you might want to consider moving your belt attachment below the cowl (lower than your shoulders) so they can hold your shoulders down, not just back.

I would guess that risks spinal compression in an accident.
My understanding is that belts should ideally be placed level or no more than a few inches below the shoulder, although this is rarely achieved in a cobra.

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