I made a clear Kammback for my 94 Mazda Protege.
( two pieces of plexi glass joined in the middle )
Unfortunately ( or is it luckily?) my coast down tests confirmed that I should take it off the car because it made it worse!
I have an established coast down section near my house where at a certain
spot cresting a small hill at 59 MPH I pop the car in neutral and about .6 of a mile later I have another landmark ( I call it checkpoint A ) where I consistently get a coasting speed of 39 MPH.
Did 3 runs with the Kammback on and I got:
1st run: 38 MPH
2nd run: 37 MPH
3rd run: 38 MPH
Then I took it off and did a final run and you guessed it,got my 39 MPH without the Kammback on.
Did tuft testing to see what's going on and I got the wiggles on the sides.
The top side appeared to have better flow.
Short video:
Did I go too aggressive with the angles? Perhaps I did even though they are
not exceeding 15 degrees on either top or the sides as of my last measuring attempt.
How do you guys post pics within the post? ( not thumbnails )
And how do you embed a youtube video? (not link)
Thanks!
Barna