FW: Koppers Aeromatic F200 propeller

[Tom Laird-McConnell]

-----Original Message----- From: susan dawson [mailto:[EMAIL PROTECTED]] Sent: Sunday, November 29, 1998 1:20 PM To: Tom Laird-McConnell Subject: Re: Koppers Aeromatic F200 propeller I have tried both....the koppers required a LOT of maintanence. and didn't do a very good job...thankfully, they are no longer...However the beech roby prop was prety good for it's day, and there are a few still about, however there are possibly only one or two people who know enough to work on them...I have one of the only manl's left...I used it on my 75-85, and ever on my 100 ercoupe...it was adjustable from the cockpit with a crank  like a window crank in a car.     the wood blades are a PAIN to keep from wood ills, but it does do the job...you can still find some airworthy ones about for around $7-800.00...I even found one that the guy thought it was no good, and didn't turn, that he sold it to me for 50.00..thoes things don't come along very often....good flying...btw, I have a teeny two experemental for sale, if you know of anyone looking for a good deal.....jolly Tom Laird-McConnell wrote:  I was looking through the type certificate (since at this time of year it rains in the Pacific NW I don't have anything better to do!) and I happened to notice that under approved propellers there were 2 adjustable pitch propellers approved for the Ercoupe.One is called a Koppers Aeromatic F200 hub.  What little I have been able to research is that it was an adjustable pitch propeller with wooden blades that had no control...aka, it would automatically adjust the propeller pitch based on load.The other is a controllable Beech R002 or R003 which has a propeller control, although aparently is not constant speed. (?) Does anyone know anything about these?  Are they still available, if not, why not?  Sounds like a great idea!-Tom