With regards to a dyno for testing engines from ~ 40 hp to perhaps as
much as 150 hp, would anybody have some experience and/or advise which
make and type of dyno is advisable. Pros and cons of various systems?

Also, does someone have pre-owned equipment that is for sale?

Any help, hints or advise is much appreciated.

Regards
Rolf

Water pump dyno's are most popular but they require a lot of cold
water. Mazdatrix has an 800 gallon tank as I recall. When the water
gets hot you must let it cool off.

The cheapest is a prop load dyno.

-- 
Paul Lamar ...No rotor no motor.

Rolf,
Those water dyno's are good, but not terribly cheap, as Paul says they heat
up. From what I've seen they require some significant cooling for sustained
use. A lot of water and a cooling tower.
If you find anything ( that's both cheap and easy to build) please advise
the group. I am looking for something myself and so far it's Paul's trailer
Dyno that meets that criteria.
George ( down under)


Not mine. I just copied Everett Hatch.

Paul Lamar ...No rotor no motor.

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