I now looked at the photo. It is indeed a turbo conversion of an earlier AC
that used a piston engine, and that was designed for cropdusters. It doesn't
look much like the Cessna, but I don't know about the piper. There have been
a lot of these aircraft, but few with large production.
the nose is lengthened to keep within designed CG. The PT6 is lighter than
just about any piston engine it replaces. There are some strange conversions
out there. Conversion of the Beech Duke makes for what the aircraft should
have been in the beginning, but looks strange. Even more strange, from the
same conversion company, is a turboprop Bonanza. Rumor had it that Beech was
looking at buying that STC and offering it as a factory product. Cessna took
the 421C, an OK aircraft with large geared flat piston engines, and put on
two PT6's to make the 425. It was nice but a little late to the market.
Bill Pearce
-----Original Message-----
From: Chuck Norcutt
Sent: Saturday, November 19, 2011 3:28 PM
To: Olympus Camera Discussion
Subject: Re: [OM] IMG: An Unusual Airplane
Looks similar to smaller stuff (usually painted yellow) that I've seen
spraying fields.
Chuck Norcutt
On 11/19/2011 4:08 PM, Jim Nichols wrote:
> While evaluating my first Leica lens, an Elmar 50/3.5 from 1946, I came
> across this Air Tractor company-owned Sky Truck airplane which appeared to
> be fitted out with flight test gear in the rear cockpit. Developed from a
> large agricultural aircraft, the AT-802U has been used for firefighting
> and for close air support in developing countries. It is a BIG airplane.
>
> I thought of this one when Chris Barker commented about airplanes with
> long noses. This is about as long as they get!
>
> http://gallery.leica-users.org/v/OldNick/Air+Tractor+Sky+Truck+4a+NI.jpg.html
>
> Leica IIIf RD with coated 50/3.5 Elmar from 1946
>
> Comments and critiques welcomed.
>
> Jim Nichols
> Tullahoma, TN USA
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