Benutzer:Bergfalke2/Hangar/Waco F series

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• http://en.wikipedia.org/wiki/Waco_F_series
• Claudia Stock: Waco UPF-7. In: Flugzeug Classic. Nr. 5, 2008, ISSN 1617-0725, S. 22–27. 

Bergfalke2/Hangar/Waco F series Bergfalke2/Hangar/Waco F series

The Waco F series was a range of American-built private pilot owner and training biplanes of the 1930s from the Waco Aircraft Company.

Development

The Waco 'F' series of biplanes supplanted and then replaced the earlier 'O' series of 1927/33. The 'F' series had an airframe which was smaller and about 450 lbs lighter than the 'O' series, while continuing to provide accommodation for three persons in tandem open cockpits. A similar performance to the earlier model was obtained on the power of smaller and more economical engines.

The initial models were the INF (Vorlage:Convert Kinner engine), KNF (Vorlage:Convert Kinner) and the RNF (Vorlage:Convert Warner Scarab), all of which had externally braced tailwheel undercarriages. Many further sub-models followed with more powerful engines of up to Vorlage:Convert.

Operational history

Waco RNF of 1931 displayed at the Pima Air Museum Tucson Arizona in 1991

Waco UBF of 1932 flown by Texaco preserved at the Historic Aircraft Restoration Museum, Missouri, June 2006

A brand new 2006 model WACO Classic Aircraft YMF-F5C at Sun 'n Fun 2006

Waco YPF at Sun 'n Fun 2006

The 'F' series was popular with private owner pilots for sporting and other uses and continued in production through the late 1930s. The tandem cockpit UPF-7 version was adopted by the Civilian Pilot Training Program and continued to be built in numbers (over 600) until 1942.

The YMF of 1934, which had a modified wider and longer fuselage, was returned to production in March 1986 by WACO Classic Aircraft of Lansing Michigan as the YMF-5. Over 100 YMF-5s have been completed by WACO Classic Aircraft and the type remains in low-rate production.

Considerable numbers of 'F' series biplanes, both original and newly built, remained in service in mid-2009.

Variants (in approximate chronological order)

(per Simpson, 2001, p. 573)

INF

Vorlage:Convert Kinner B-5

KNF

Vorlage:Convert Kinner K-5

RNF

Vorlage:Convert Warner Scarab

PCF

Vorlage:Convert Jacobs LA-1 and new cross-braced undercarriage

PBF

as PCF with modified 'B' wings

QCF

Vorlage:Convert Continental A70

UBF

Vorlage:Convert Continental R-670

UMF

Vorlage:Convert Continental R-670A and longer wider fuselage and larger vertical fin

YMF

as UMF with Vorlage:Convert Jacobs L-4

YPF-6 and YPF-7

Vorlage:Convert Jacobs L-4

UPF-7

tandem training version with wider-track undercarriage and Vorlage:Convert Continental radial (designated PT-14 by the USAAC)

YMF-5

built by WACO Classic Aircraft from March 1986 onwards. In June 2009 the company unveiled the latest updated variant, the YMF-5D

Note: from 1936 Waco added year suffixes to designations - e.g. YPF-6, YPF-7, with the numeral being the last figure of the year of manufacture

References

Notes

Bibliography

• William Green: ? Macdonald & Co. (Publishers) Ltd, 1965, ISBN none(?!). 
• Rod Simpson: Airlife's World Aircraft. Airlife Publishing, 2001, ISBN 1-84037-115-3.