lml@lancaironline.net Mailing List Archive

Jim,

AFAIUI, the engine number will tell you. For instance, I have a Lycoming IO-320-B1A and the B1A means it is a type 2 Dynafocal.

I also think the type 2 is pretty rare. It was only used on aircraft with extended props, such as the Twin Comanche.

Nick

From: Jim Nordin

Sent: Wednesday, February 19, 2014 9:40 PM

To: lml@lancaironline.net

Subject: [LML] Angle

I had no takers on how to do this so I called Mike Snow of Snowline and ask that he send the two mount rings to me so I can determine with absolute certainty which I have with this engine.
Jim

From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Jim Nordin
Sent: Tuesday, February 18, 2014 9:31 AM
To: lml@lancaironline.net
Subject: [LML] Angle

Who knows how to measure the angle of the mounts on a dynafocal mount?
There are two types as you know.

1) Type 1 is 30º

2) Type 2 is 18º

It sounds like an easy thing. OK it might be. But before I spend a heap of money on a mount, I’d like to know for certain how to measure the angle correctly.

Jim