Quote:
Originally Posted by Vman455
That's fine--but if you want to know if the smaller blindspot mirror (with or without fairing) has lower drag than the stock mirror, you will need to test it. There's an unfortunate belief on this forum that you can assess the aerodynamics of an object or shape simply by looking at it when this is not true, especially when it comes to small add-ons subject to interference drag in areas with complicated flow patterns such as mirrors. (You'll find statements to this effect in any textbook on aerodynamics; I know because I've read a lot of them! You can--and should--too). |
its hard to do the t shape test thing because ones a 5-10 pound mirror and the other is as light as a feather. 8 by 6 inch electric mirror, versus a tab the size of my thumb