I was trying to figure out the fuel burn on the AMT ( jet models )
engines. As close as I could figure, they burn about 4 gph. And the
thrust was listed in KG and there were other variables related to this
thrust ( air temp, etc. ) but a guy put 2 of them ( poor mans dual
ignition )on his Cri-Cri aircraft and flew at 150 mph. I think they
said he had 35 KG of thrust. Of course, the engines only weigh 5 lbs.
each which is pretty cool.

Neal

Richard Riley wrote:
On Thu, 2 Jun 2005 23:33:10 -0500, "Montblack"
wrote:

:Saw a story on Innodyn turbines. Are their claims realistic? Will they
:succeed?
:
:188 pounds?

Entirely possible.

:7 gallons per 100 hp?

Not without violating the laws of physics. Their compression ratio
isn't nearly high enough.

::Can they scale this ...DOWN?

Sure
:
:Would a (80-100 hp) turbine weighing 100-140 pounds be a hit?

Well, that's kind of what it was derived from - the Solar T62-2A 95 hp
from 50 lb weight.

:Burning
:5-6-7-8 gallons per hour?

Not a chance. The smaller a turbine, the more fuel it will burn for
the HP (it's really more complex than that, but that's a good rule of
thumb). You could easily get a turbine to burn 5 GPH - while
producing about 20-25 HP.
:
:Again, can their 165 hp - 255 hp turbines be scaled DOWN to a Rotax 582/912
:size?

Sure. As long as you aren't worried about fuel burn.
:
:http://www.innodyn.com/aviation/faq.html
:
From Products page)
:Innodyn offers a number of Turbines to meet the experimental pilot's needs.
:While every model is based on Innodyn's core Turbine design, each is
ptimized to provide the strongest performance.
:
:Each Turbine weighs no more than 188 pounds, and is designed for use with
ur firewall forward kits. We're confident that our Turbines and firewall
:forward kits are right for the vast majority of experimental applications.
:Please feel free to contact us with any questions.
:
:Our Turbines are designed for output speeds of 2,000; 2,250; 2,500; 2,750;
:3,000; and 3,600 RPM. We recommend the use of 2,750 RPM for fixed-wing
:aircraft applications.

Before you invest a moment more of your time or a cent more of your
money, ask two questions:

1) Have they ever delivered one of their engines to anyone, anywhere?

2) If you were to build a homebult with a turbine engine could you get
it insured by any aviation underwriter currently in business?

Hint - the answer to the second question is not "yes".