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In the mid 'thirties, Ryan offered a single-seat armed
version of its tandem two-seat STM primary trainer,
which, in turn, had been derived from the S-T initially
flown on 8 June 1934. Dubbed STA-Special, the single-seater
was powered by a 150hp Menasco C4S air-cooled
engine, and a second batch of six ordered in
December 1938 for the Guatemalan Cuerpo de Aviacion
Militar were each fitted with two 7.7mm wing-mounted
guns and referred to as light fighters.
| Shane Papps, flyboys(@)xtra.co.nz, 25.08.2008 I am an STM pilot and have loged 250 hrs in S53 sn 489, can confirm Freds coments, ,The STM has no sweep back , the pt 22 has, and the difference is the pt 22( radial kinner) will spin and catch you if you are not onto it , I also have good times in a pt 22, they are 2 completly different aircraft. The STM is however a very reluctant plan to get to spin, . Hey Fred Barber, touch base with me please am interested in the machines and history you have mate . | | Don Stubbs, donstubbs(@)cox.net, 01.05.2008 My dad was one of the test pilots/engineers that worked for Ryan during the 30's. He did some of the testing on the SC, St and Sta's. He also worked very closely with T. Claude Ryan. Have many pix. of the factory and the making of a movie for Myrna Loy and Clark Gable in "Test Pilot" | | John Nielsen, jnielsen(@)ronbinsonleasing.com, 28.04.2008 Fred,
Are you interested in selling an ST-A? I'm a big fan of this aircraft and want to own one.
Thanks. | | fred Barber, barberryanfred(@)hotmail.com, 23.02.2008 I have four full size STAs. Your posting is a year old and I did not know if you were still interested in the STA. There is no wing sweep in any of the STAs.
All of the PT-21s and PT-22s had it. The reference to the STM is a misnomer. The STAs built against military contracts are refered to as STMs but in fact they are standaed STAs. My first STA was a fighter from Guatamala with the machine guns on the wings. I still have it. Sincerely Yours Fred Barber | | antimo de rosa, timrose(@)libero.it, 02.03.2007 I'm a rc modeller and i'm tring to built this airplane scale 1/4. I have some dubt about sweepback angle of the wing; I found that the PT22 the latest military version of the Ryan STM with radial engine, has 4 deg of positive sweepback. I'd like to know if this was a subseguent modification or also the early models STA have too? Thanks a lot Antimo from Rome Italy |
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