This man with name Martin Schanche (picture Yamaha1) is a guru in engine and transmission.
He have constructed a aircraft engine with the tree cylinder 1050ccm Yamaha engine as basis.
The ECU is from MoTeC
http://www.motec.com.au/aboutecu/ecuoverview/
Girbox is ratio 3.21:1 and is constructed to handle up to 500hp and with a TBO at least 10 000 hour.
The shaft fit Rotax propeller and a huge other standard.
The engine with this turbo is rated from 160 hp to 225 hp.
Torque from 150 to 200 nm.
You can download the dynometer test here
http://www.flyboat.no/Yamaha/Yamaha.pdf.
Short sumary:
60% trottle 4000 rpm 82 hp 146 nm 0,28 kg (4.06 PSI) turbo pressure.
60% trottle 7800 rpm 128 hp 118 nm 0,36 kg (5.22 PSI) turbo pressure.
75% trottle 4000 rpm 84 hp 150 nm 0,32 kg (4.64 PSI) turbo pressure.
75% trottle 7800 rpm 179 hp 165 nm 0,54 kg (7.83 PSI) turbo pressure.
100% trottle 4000 rpm 85 hp 153 nm 0,34 kg (4.93 PSI) turbo pressure.
100% trottle 7800 rpm 224 hp 205 nm 0,71 kg (10.30 PSI) turbo pressure.
Martin Schanche sell complete gearbox to the Yamaha, and ECU programmed to this engine.
Those who have serious question can send a mail to him regards delivery and prices.
[email protected]
Home page
http://www.schanche.com/
High res. picture:
http://www.flyboat.no/Yamaha/Yamaha1.jpg
http://www.flyboat.no/Yamaha/Yamaha2.jpg
http://www.flyboat.no/Yamaha/Yamaha3.jpg
http://www.flyboat.no/Yamaha/Yamaha4.jpg
Regards
Erik
Norway