Spezio Tuholer

DAL 1 Tuholer
Role Sport aircraft
National origin United States
Designer Tony Spezio
First flight May 2, 1961
Unit cost
approximately $3365 to build in 1971[1]

The Spezio Sport DAL 1 Tuholer is a two-place low-wing homebuilt aircraft using tube-and-fabric construction. A folding wing is incorporated to allow for trailering.[2]

Development

The prototype aircraft was built for $287 using tubing from a Cessna UC 78, a Tri-Pacer propeller, wheels from a TG-6 glider, a Lycoming Ground Power unit and a variety of surplus materials. The nickname came from the president of the Experimental Aircraft Association remarking that the plane was a "tuholer".[3]

Design

The Tuholer is a tandem two-seat, strut-braced, low-wing, open cockpit aircraft with conventional landing gear. The dual control aircraft can be flown solo from the front or rear cockpit.[4] The fuselage is welded steel tubing with wooden stringers and fabric covering.[5] The dual wing spars are wood, with wood ribs and fabric covering. The fuel tank is made of fiberglass. The horizontal stabilizer uses a Piper Cub style screw jack for trim. The rear headrest can be built streamlined flush with the vertical stabilizer or tapered.[6]

Operational history

The designer flew the prototype 16 years.

Specifications (Spezio Tuholer)

Data from http://www.tuholer.com/speziotuholer.htm

General characteristics

Performance


References

  1. ↑ Leo J. Kohn (Winter 1971). "The true cost of building your own plane". Air Trails: 63.
  2. ↑ Popular Mechanincs: 94. February 1963. Missing or empty |title= (help)
  3. ↑ http://www.tuholer.com/speziotuholer.htm
  4. ↑ "Tandem "two holer" you can fly from either seat". Popular Mechanics: 85. July 1973.
  5. ↑ "What kind of aircraft would you build". Air Progress Sport Aircraft. Winter 1971.
  6. ↑ Air Trails: 5. Winter 1971. Missing or empty |title= (help)

http://www.pilotfriend.com/experimental/acft6/38.htm

External links

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