Legal Eagle Part 103 Legal Ultralight Aircraft, betterhalfvw.com
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www.ultralightf... - Legal Eagle Part 103 Legal Ultralight Aircraft by Leonard Milholland - produced in kit form by J&N Bolding Enterprises of Baytown, Texas and intended for amateur construction.
The Legal Eagle is so named because it is capable of being built in legal compliance with the United States FAR 103 Ultralight Vehicles regulations, even when equipped with a four stroke engine.
The Legal Eagle features an open cockpit and is powered by a 30 hp (22 kW) Half VW engine.
The design features a fuselage of welded 4130 steel tubing, mated to an all-wood wing made from spruce. The struts and tail surfaces are made from 6061 T6 aluminium tubing. The flying surfaces are covered with doped aircraft fabric. The rear fuselage is normally left as an open truss structure to save weight and to ensure that the aircraft does not exceed the FAR 103 maximum speed of 55 knots (102 km/h; 63 mph). Like the fuselage, the taildragger landing gear is sprung steel.
The aircraft has been developed into several variants of the basic design including the XL version for larger pilots and a two-seat ultralight trainer and Light-sport aircraft.[6][7][8]
Legal Eagle
Basic model with a 244 lb (111 kg) empty weight, powered by a 30 hp (22 kW) Half VW engine
Legal Eagle XL
Model for larger pilots with a wider and taller seat, greater wing area and longer tail. 246 lb (112 kg) empty weight
Double Eagle
Model with two seats in side-by-side configuration with a 385 lb (175 kg) empty weight and a 900 lb (408 kg) gross weight. Designed as an ultralight trainer and Light Sport Aircraft. Powered by a 60 hp (45 kW) Volkswagen air-cooled engine giving a 70 mph (113 km/h) cruise speed.
General characteristics
Crew: one
Length: 13 ft 0 in (3.96 m)
Wingspan: 23 ft 6 in (7.16 m)
Height: 5 ft 6 in (1.68 m)
Wing area: 107 sq ft (9.9 m2)
Empty weight: 244 lb (111 kg)
Gross weight: 500 lb (227 kg)
Fuel capacity: 5 US gallons (38 litres)
Powerplant: 1 × Half VW horizontally opposed twin-cylinder, four-stroke, single ignition aircraft engine, 30 hp (22 kW)
Propellers: 2-bladed Culver wooden
Performance
Maximum speed: 60 mph (97 km/h; 52 kn)
Cruise speed: 50 mph (80 km/h; 43 kn)
Stall speed: 25 mph (40 km/h; 22 kn)
Never exceed speed: 80 mph (129 km/h; 70 kn)
Range: 100 mi (87 nmi; 161 km)
Rate of climb: 300 ft/min (1.5 m/s)
Wing loading: 4.7 lb/sq ft (23 kg/m2)
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www.ultralightf... - Legal Eagle Part 103 Legal Ultralight Aircraft by Leonard Milholland
Legal Eagle Part 103 Legal Ultralight Aircraft,
• Legal Eagle Part 103 L...
I love everything about this story !
Wow I just love the illegal eagle, I wish one day I can build my own.
Very interesting. Because an airplane can be quite simple I also believe there is huge potential for very low cost planes. And not in the sense of third world squalor but a point of pride good performer. Normally a triangle truss structure is a good weight to stiffness solution but considering manufacture, how about a single tube spine that you sit reclined on from tail to engine.
If necessary for weight then a carbon fiber tube is pretty obvious but I'm thinking that a thin chromoly steel tube might also get you under part 103. Maybe pump it full of PU foam at the middle for some added crush strength. Ease of construction has to be a huge benefit allround and can be as important as price. I believe no plane should be a kit because a well run in factory will always be able to optimize the construction to 10-100x easier than the first time individual. And the easier it is to construct, the easier it is for the small factory to have the courage to do it fully. Maybe even certification. As for joy and performance for pennies, consider that the Bede BD-5 was able to cruise at 278km/h at 75% with a 40HP engine. So a very low cost construction might well cruise at 230km/h with that 32HP engine. For bodywork, vacuum formed thermoplast could quickly and easily make it look like a high performance plane. You could even go for a Rutan canard config because canard steering means simple control mechanics and completely simple wing and tail. Rudder could be the front wheel.
Nice work, like the full-flow oiling and the baffles/scoops on the heads. Less caffeine for the interviewer next time, please.
Great job and way to go into suckering the students into building your airplane.free labor.lol.however, they also got great learning experience and when they want to build there own they know how.Where did you get that generator?
Fascinating, more power to you all
I think I found the Ultralight I want. they were invented by a man that was into Hang Gliders.
I didn't know Less was into hanggliders
@@laprepper I think he means ultralights were invented by a hang glider guy. Not necessarily the Legal Eagle.
Great job. Is the Tubing chrome Molly.
Yes 4130
The Ultralight Flyer
Thanks. really want to build one .
Like...
Nao entendi nada do q disseram pq nao sei falar inglês, ms adorei td q vi neste video! O aviaosinho é maravilhoso!!! Parabens à quem o criou! Se eu nao fosse tao pobre eu gostaria mt d ter um....
Great video. Missed seeing you at Oshkosh 2018. Next year
Somebody hAve the plains?
Way cool.. Great teacher ..
Ikr. We did shop in school but nothing as cool as that.
Great review Dan and Denny