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- Sep 25, 2021
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- 418
You Sir, obviously have skills!
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You Sir, obviously have skills!
To be fair, OSHcut.com did most of the work
Thanks for the pics @Max. Have you noticed any reduction in bugs?
What did you think using them?
I think Daveb is or has gone that way with the film. I would like to get a report from the horses mouth. I must admit I like this deflector...yes it works. Garry the builder has been doing them for now twenty years and says they are just about right with a smile
Most practical !I think Daveb is or has gone that way with the film. I would like to get a report from the horses mouth. I must admit I like this deflector...yes it works. Garry the builder has been doing them for now twenty years and says they are just about right with a smile
Fast, affordable and the part came out extremely accurate.
cerwinvega.com
Garry who designed these has created a vinyl templet that comes in the kit and has all the markings and measurements for you to line up to.Most practical !
Does the "positioning" of the deflector e.g. half way along the bonnet vs (say) on a bullbar make a noticeable difference?
An old school aero study would be informative if you want to maximise the benefit. Tape a series of woolen threads in a line along the centre of the bonnet starting near the grill and ending in front of the scuttle panel. Given a constant wind direction and speed, at various road speeds different threads will lift away from the bonnet as the airflow separates from the bonnet to go over the roofline. That's likely the sweet spot for a deflector. Too far back and it will be in the eddy zone and lose effect. Too far forward the air (and small stones) will recirculate back down onto the windscreen. Garry may have done this testing on other vehicles to recommend the 30cm position.Garry who designed these has created a vinyl templet that comes in the kit and has all the markings and measurements for you to line up to.
It is 30cms back from the front of the bonnet and that might change due to bonnet size, I was to send him pics of a couple of different angles of the front end of the Gren. I have no idea about the bullbar difference but I am sure he has. He will talk to you about all there is to know of his deflectors
If I could ensure the optimal position, using Clark Kent's time honoured 'tuft' method, I'd have no qualms installing the brackets with a couple of rivnuts into the bonnet. Vinyl plugs treated with matching touchup paint covering the rivnuts holes would make them barely noticeable if the deflector and brackets were required to be removed for some reason.
