Today's Message Index:
----------------------
1. 02:14 AM - Re: Props (Byron Covey)
2. 06:35 AM - Re: Glasair-List Digest: 4 Msgs - 07/18/07 (John Markey)
3. 06:35 AM - Re: Glasair-List Digest: 4 Msgs - 07/18/07 (John Markey)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
Which Hartzell? The newer "blended airfoil?" The model recommended by
Glasair? Other?
With respect to the G-III: Stoddard-Hamilton published a report of a
comparison test of the recommended McCauley and Hartzell propellers. It
was in the old factory newsletter. As I recall, there wasn't much
difference in overallperformance. Better propellers are available
today. Anyone have experience with the new composite props?
Thanks,
BJC
Message 2
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Glasair-List Digest: 4 Msgs - 07/18/07 |
I recently put in an EIS4000 and am seeing some freightening cylinder head values
during climbout [80'F, 2000' density altitude, 1700 lbs. total weight +/-]
I think this might be due to the flat air exits on the bottom of the cowling.
The plane has no speed or aerodynamic flares around the two exit holes. The tow
exhaust pipes exit down and back through these holes. What I am guessing is
that I am reducing the effective cross area on the inlets at climb angle and increasing
the frontal pressure on the outlets.
I am designing in my head a fairing that would smooth the air flow past the exits
and pull air out in the airstream.
If anyone has pictures or drawings [links?] of how they have managed to smooth
the exits, I would be most appreciative were you to share them with me.
Comments?
John Markey
GIIS FT N661CC
---------------------------------
Pinpoint customers who are looking for what you sell.
Message 3
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Glasair-List Digest: 4 Msgs - 07/18/07 |
I recently put in an EIS4000 and am seeing some freightening cylinder head values
during climbout [80'F, 2000' density altitude, 1700 lbs. total weight +/-]
I think this might be due to the flat air exits on the bottom of the cowling.
The plane has no speed or aerodynamic flares around the two exit holes. The tow
exhaust pipes exit down and back through these holes. What I am guessing is
that I am reducing the effective cross area on the inlets at climb angle and increasing
the frontal pressure on the outlets.
I am designing in my head a fairing that would smooth the air flow past the exits
and pull air out in the airstream.
If anyone has pictures or drawings [links?] of how they have managed to smooth
the exits, I would be most appreciative were you to share them with me.
Comments?
John Markey
GIIS FT N661CC
---------------------------------
Pinpoint customers who are looking for what you sell.
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|