Not more pictures but...

Video! Yep that's right live action video this time around. Team Phelan performed its static engine test Thursday (2/21/08) and we have video of it. Overall I think we all feel that we have a good engine and propulsion ducting.

A little bit about the engine from the manufacturer...

Manufacturer: AMT, it's a Mercury-180
Weight: 3.1 lbs
Max. specified thrust: 20
Max. RPM: 151,200
Exhaust Gas Temperature Range: 1200-1380 deg. F
Fuel: Kerosene
Fuel Consumption at 100% throttle: 10 oz./min.

I remind you these are the numbers from the manufacturer... here are some numbers we got last semester in our propulsion lab.

Manufacturer: AMT, it's a Mercury-180
Weight: 3.1 lbs
Max. thrust: 16.2
Max. RPM: 142,800
Exhaust Gas Temperature Range: 950-1030 deg. F
Fuel: Kerosene
Fuel Consumption at 100% throttle: 15 oz./min.

And with the engine inlet, bypass duct, and tail pipe Team Phelan hit 14.7 lbs regularly in the test. This may not seem great, but we are pleased by it because with all of our performance calculations done last semester in the design phase we used 14 lbs of thrust. Also, Team Goose hit 14.1 lbs in their test the day before.

Some of you propulsion smartypants readers (are there any of you that actually read this?) would say, "Hey but what about standard day corrections!?" Well our propulsion guy ran those numbers and figured out that we would only lose a tenth of a pound if the standard atmospheric conditions existed (29.92" Hg and 59 deg. F).

If you were really hoping for pictures well don't feel too bad, I should have some up and ready no later than Monday night.