Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

Air-Hybrid · 11-26-2010, 01:15 PM

GR-5 Turboshaft Engine Project

Here's one such garage creation that has a 'homemade' power-turbine running a reduction gearbox, but it could easily be running an alternator.

I guess using a car turbo for spinning a generator is only ever going to get poorish efficiency, as the compressor ratio/through-put and turbine ratio/through-put have been chosen specifically for the type of restriction and heat source that a piston engine sticks in the middle (very different from a flame can). Finding the three (compressor, GG turbine, power-turbine) exact turbo components to match your (let's say very high speed) electric generator is going to be difficult in the extreme (esp. sourced as junk/spares)!

11-26-2010, 01:15 PM	#33 (permalink)
Air-Hybrid EcoModding Apprentice Join Date: Aug 2009 Location: London, UK Posts: 113 Thanks: 16 Thanked 3 Times in 3 Posts	GR-5 Turboshaft Engine Project Here's one such garage creation that has a 'homemade' power-turbine running a reduction gearbox, but it could easily be running an alternator. I guess using a car turbo for spinning a generator is only ever going to get poorish efficiency, as the compressor ratio/through-put and turbine ratio/through-put have been chosen specifically for the type of restriction and heat source that a piston engine sticks in the middle (very different from a flame can). Finding the three (compressor, GG turbine, power-turbine) exact turbo components to match your (let's say very high speed) electric generator is going to be difficult in the extreme (esp. sourced as junk/spares)!