Teman Mono-Fly
{{Short description|American ultralight aircraft}}
{{Use mdy dates|date=January 2022}}
{{Use American English|date=January 2022}}
| {{Infobox aircraft begin
| name=Mono-Fly | image= | caption= }}{{Infobox aircraft type | type=Ultralight aircraft | national origin=United States | manufacturer=Teman Aircraft Inc | designer=Bob Teman | first flight= | introduced= | retired= | status=Production completed | primary user= | more users= | produced= | number built= | developed from= | variants with their own articles= }} |
The Teman Mono-Fly is an American ultralight aircraft that was designed by structural engineer Bob Teman and produced by Teman Aircraft Inc. The aircraft was supplied as a kit for amateur construction and later as a factory-completed aircraft.Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page E-26. Cybair Limited Publishing, 2001. {{ISBN|0-9680628-1-4}}{{Cite web|url = http://virtualultralightmuseum.com/mn.htm#monofly|title = Mono-Fly|accessdate = 6 December 2011|last = Virtual Ultralight Museum|date = n.d.}}
Design and development
The Mono-Fly was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of {{convert|254|lb|kg|0|abbr=on}}. The aircraft has a standard empty weight of {{convert|250|lb|kg|0|abbr=on}}. It features a strut-braced high-wing, a single-seat, open cockpit, tricycle landing gear and a single engine in pusher configuration.
The aircraft is made from aluminum tubing that is pop riveted together using gussets. On early examples the flying surfaces were covered in dope and aircraft fabric covering, but this was later changed to heat-shrunk Dacron sailcloth, to save weight. Its {{convert|30.8|ft|m|1|abbr=on}} span wing employs a modified Clark Y airfoil. The wings are supported by a single lift strut and a jury strut. The pilot is accommodated on an open seat, without a windshield. The controls are conventional three axis, but the aircraft uses a control yoke rather than the more common control stick. The landing gear features main wheel bungee suspension.{{Cite web|url = http://www.ae.illinois.edu/m-selig/ads/aircraft.html|title = The Incomplete Guide to Airfoil Usage|accessdate = 1 September 2011|last = Lednicer|first = David|authorlink = |year = 2010|archive-date = April 20, 2010|archive-url = https://web.archive.org/web/20100420012244/http://www.ae.illinois.edu/m-selig/ads/aircraft.html|url-status = dead}}
Early kit-built examples came out with empty weights too high for the FAR Part 103 limit, so the factory stopped supplying kits and produced completed aircraft instead. These factory-built examples have empty weights under {{convert|254|lb|kg|0|abbr=on}}, even when equipped with a Rotax 503 engine of {{convert|50|hp|kW|0|abbr=on}}. An Onan {{convert|18|hp|kW|0|abbr=on}} four stroke industrial engine was also used, although this limited the rate of climb to 400 ft/min (2.0 m/s).
Reviewer Andre Cliche described the Mono-Fly as "well engineered". It is stressed to +10/-10g.
Specifications (version)
{{Aircraft specs
|ref=Cliche and the Virtual Ultralight Museum
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|airfoil=modified Clark Y
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|empty weight lb=250
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|gross weight lb=550
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|fuel capacity={{convert|5|u.s.gal}}
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|eng1 number=1
|eng1 name=Rotax 503
|eng1 type=twin cylinder, two-stroke aircraft engine
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|eng1 hp=50
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|max speed mph=63
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|cruise speed mph=45
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|stall speed mph=20
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|g limits=+10/-10
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|wing loading lb/sqft=4.43
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References
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External links
- [http://images.quebarato.com.br/T440x/mono+fly+plantas+do+ultraleve+curitiba+pr+brasil__243660_1.jpg Photo of a Mono-Fly with cockpit fairing fitted]