View from the Garage

November 3, 2013

Car roof rack

Filed under: Uncategorized — thefusionguy @ 7:29 am

When I got a new-model car (Mazda CX-5), the only roof rack available was the one from the manufacturer. The manufacturer’s rack was not very good for my needs. I’d like to be able to carry plywood or drywall, which usually comes in 4’x8′ pieces, and the rack was too narrow. Also, the transverse rails were curved, making it hard to secure flat plywood. And finally, the distance between the transverse rails is reduced since they are fixed to the longitudinal rails that bolt to the car roof. An 8′ piece of plywood has a lot of air resistance, and I wanted the stability of maximum distance between the transverse rails. So I made this roof rack of unistrut. It looks a little funny, but it works well. The rear rail has to be pretty high to clear the sharkfin antenna on the roof. The manufacturer’s limit is 195 lbs, so aluminum or fiberglass unistrut would be strong enough for that fairly small load, and also be lighter, but I couldn’t find it.

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