Author |
Message |
   
Ben Baltrusaitis
New member Username: Freepistol
Post Number: 21 Registered: 09-2005
| Posted on Sunday, November 22, 2009 - 05:24 am: | |
Anybody know the glide ratio of an Express 2000 w/550 engine and prop stopped? Or with zero thrust? Thanks! Ben |
   
Michael Farley
New member Username: Mikefarley
Post Number: 19 Registered: 11-2006
| Posted on Tuesday, November 24, 2009 - 08:08 pm: | |
The Cirrus SR22 with the same engine and a 3400 lb gross weight has a 9.6 to 1 (G2 wing) glide ratio. I would think a Series 2000 would be pretty similar, but not quite as good as the SR22. The Cirrus has a little bit higher aspect ratio than the Series 2000 (I believe). This is with a windmilling engine. Not really sure what the glide ratio would be with a stopped prop. |
   
Werner Maag, CH8174 Stadel, Switzerland
New member Username: Wmaag
Post Number: 29 Registered: 01-2003
| Posted on Wednesday, November 25, 2009 - 08:10 am: | |
When I do a simulated power off landing in my Express S-90 with the big tail and an IO550 with 3-blade Muehlbauer prop, I pull the throttle to idle and also pull the prop to high pitch to get the best glide with 86 kts (also my Vy) This results to a rate of descent of approx. 900 ft/min, which is close to 1:10 ratio. With high RPM (prop full forward) the rate is 1500 Ft/m or more! |