Engine dyno for EFI project

[Dave Williams]

-> brake, they used a large blower, with adjustable vanes on it. There

 We hashed through a lot of this on the hotrod list a couple of years
ago.  The cheapest, simplest, most accurate system you could reasonably
build at home would use a ducted aircraft propeller as the power
absorber, with moving panels to control inlet air.  Although it would
probably be just great as the Leaf Blower From Hell, the noise would be
a factor in most locations.

 Once you get past 50hp or so, it's hard to get rid of power.  Where are
parasitic losses when you *need* them?