Monthly Archives: August 2002

//August

Hearing Aids, Stearmans and Stuff

Last week, our pilot group held an early evening, July fly-in at a member's lovely 3000 X 200 "smooth-as-pavement" grass strip. I was invited to accompany my dear friend Bill Bohannan (SRA #158) to the festivities in his Stearman. Bohannan The Elder, whom I have heard was the project engineer [...]

By | 2016-11-13T09:33:45+00:00 August 4th, 2002|Flying-Wire|Comments Off on Hearing Aids, Stearmans and Stuff

Unique Designs for Customizing a 450 Stearman

The Stearman aircraft design  has proven to be very flexible and adaptable to many configurations for specialized applications. The Crop Duster community in the 1950’s successfully applied a lot of creativity in customizing the Stearman for the dusting role.  Addison Pemberton has accepted that creative challenge and has come up [...]

By | 2016-11-13T09:33:45+00:00 August 4th, 2002|Flying-Wire|Comments Off on Unique Designs for Customizing a 450 Stearman

Bolt Torque on Wood Prop

Recently I read the SRA article outlining the Sensenich Service Bulletin No. WSB-1 concerning the importance of maintaining a correct bolt-torque on wood propellers.  This article explained how the driving torque of the engine has to be delivered to the propeller by the surface friction of the retaining plates vs. [...]

By | 2016-11-13T09:33:45+00:00 August 4th, 2002|Flying-Wire|Comments Off on Bolt Torque on Wood Prop

The use of Auto Gas in Radial Aircraft Engines

Q.A. Manager Covington Engines We at Covington Aircraft Engines, Inc. have been in the radial aircraft engine overhaul business since 1972. We have been supporting the Aviation Industry with technical support in the form of engine overhaul, repair and maintenance, parts sales, and engine operation and service recommendations for twenty-five [...]

By | 2002-08-04T00:00:26+00:00 August 4th, 2002|Flying-Wire|Comments Off on The use of Auto Gas in Radial Aircraft Engines

Adjusting the Spring on a Dzus Fastener

There comes a time in the life of a Stearman when one or more Dzus fasteners do not engage the mating spring with enough tension, with too much tension, or not at all. When this happens, it is clear that the spring needs adjusting up or down.  The tool of [...]

By | 2016-11-13T09:33:45+00:00 August 4th, 2002|Flying-Wire|Comments Off on Adjusting the Spring on a Dzus Fastener

Some History of the Pratt & Whithey Engine

A review of the back ground history of the Pratt and Whitney round aircraft engine reveals some interesting aspects of the 985 used on many Stearmans.  The engine was not developed by Francis Pratt or Amos Whitney, who have become famous by name, but by Frederick Brant Rentschler who was [...]

By | 2002-08-04T00:00:14+00:00 August 4th, 2002|Flying-Wire|Comments Off on Some History of the Pratt & Whithey Engine