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J1-B Homebuilt Ultralight Aircraft Plans
Not your blurred, crappy photos of plans, THESE plans are freshly scanned from A1 size clear originals into PDF format. These files can be taken on a disk to a plan printing shop and printed out super clear. Also included is a builders manual in PDF, a photo gallery and lots of other useful construction information. No useless disk fillers here.
Plans are for full size, human piloted aircraft.
J-1B is a single seat tailwheel aircraft with pusher prop. Wings strut-braced, with a 13% thick Clark "Y" airfoil and no flaps. Typical construction in either wood, or wood foam & glass composite. A simple to build airplane. Suitable for engines up to 50 Hp including VW, Rotax and similar.
Specifications: (approx.with VW 1600 engine)
- Wingspan: 24 ft 7in
- Wing Chord: 3 ft 3in
- Length: 16 ft 4in
- Height: 4 ft 6 in
- Empty Weight: 390 lbs
- Maximum Weight: 650 lbs
- Maximum Speed, Level Flight: 100 mph
- Cruise speed: 95 mph
- Stall speed: 35 mph
- Take-off Run: 330 ft
- Landing Roll: 165 ft
- Fuel Capacity: 4 gallons
- Nominal Range: 240 miles
File Size: 30mb ZIP file containing PDFs.