Windscreen Development  (002)Windscreens. Not a straight forward subject, and one that I have had many questions on during the project development. So I thought I would add a selection of photos and CAD images, that show the windscreen development. from the initial scan of the bodyshell.

Click here to visit the Windscreen Development page and view images

suspension-wishbone-jig-001It has taken nearly 6 months of evenings and weekends to design and set-up the drawings for the suspension components for the Porshe 917...and finally those designs are starting to become a reality.

ARRK started manufacture of the suspension wishbone jig at the beginning of December. We had one or two minor issues, but so far the jig and wishbones are building exactly as CAD.

Having had a chat with Anthony (the ARRK technician and fabricator) we decided to tack together a full set of LHS & RHS fronts and both the LHS & RHS original short rears for 17" track rims & tyres and the extended longs for the 14" road rims and tyres.

The completed set of tacked wishbones coincided with the delivery of the first set of NC uprights which arrived early January, and then we completed a pre-assembly to check that everything fitted the chassis, and is dimensionally correct to CAD. After the final welding of the wishbones, the machined rims, stub axles, brakes, and GKN competition half shafts all arrived between mid to late January.

Click here to visit the Suspension Wishbone Jig and Manufacture page.

The BBS 90mm centre spinner nuts arrived last week. BBS are going to supply the thread details, so I can insure we machine the correct thread on the stub axles. We will run a test sample thread on a sacrificial tube to ensure the nuts fit correctly, before machining the thread onto the stubs.

Click here to visit the Wheel Nuts page and view images


We now have our first set of casting for the 1-Piece magnesium centre spinner wheels. Creasey's cast and then heat-treated last a couple of weeks ago. Click here to see photos. They look excellent!

I was particularly worried about the blend of the spokes into the rim, but this looks exactly as per my CAD models. So have to extend my thanks to Allwick's the pattern maker and particularly John the owner for the detailed feedback he gave during the design phase.

The next stage is machining of these casting to give the first road set of rims, an 8.5" front and 14" rear. This should take place in November, and once they are ready I will post a detailed set of images. And about time to order a set of road tyres.

140914-Final-suspension-jigWell summer has come and almost gone now, and not much progress on the first car build as we would have liked due to the reasons listed below. And also have to apologise as no updates to the website since April.

The slow progress on the build has been due to a combination of things. First I had to spend much time finalising the rim designs to enable the patterns to be manufactured. Second designing the suspension has taken me most of the summer. And third, my partner has not been very well through the summer, so that has slowed the engine re-build and the general progress of the first car build. Oh yes, and forth I have changed contracts, and now down at McLaren. So this has eaten into my spare time to progress the designs.


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  • Rolling chassis 2
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