Anyone know of a good test stand to buy to test a 40-90 motors. Would love to have a adjustable one for almost any motor. I need one for a science fair project coming up.

Here are three from Tower (just do a search for test stand):

1) [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXA378&P=ML]CBA/Tatone Engine Test Stand w/Tank[/link]
2) [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXA379&P=ML]CBA/Tatone Giant Engine Test Stand[/link]
3) [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXR587&P=ML]J'Tec Test Stand Giant 1/2A-2.5[/link]

Here is one from PSP: [link=http://www.pspmfg.com/EngineTestStand.html]Engine Test Stand[/link]

The PSP test stand is in my opinion the best one on the market and one of the most expensive. I have tried several other stands and didn't like any of them.

http://www.pspmfg.com/EngineTestStand.html

I've had the Tatone with tank for 15-16 years now, run everything from a Norvel to a S.T. .61 on it, and it works very well.

http://www2.towerhobbies.com/cgi-bin...&I=LXA378&P=ML