Plane Driven PD-1

Last updated
PD-1
PD-1 Roadable Glastar.jpg
Prototype PD-1 in 2010
Role Roadable aircraft
National originUnited States of America
Manufacturer Plane Driven, Stoddard-Hamilton Aircraft
DesignerTrey Johnson
First flightJuly 21, 2010
Introduction2010
StatusIn development
Developed from Glasair Sportsman 2+2

The Plane Driven PD-1 is a modification to the Glasair Sportsman 2+2 to convert it into a practical roadable aircraft. The approach is novel in that it uses a mostly stock aircraft with a modified landing gear "pod" that carries a separate engine for road propulsion.

Contents

The PD-1's wings fold along its sides, and the main landing gear and road engine pod slide aft along special rails, creating a driving configuration. The driving configuration compensates for the rearward center of gravity created by the folded wings, and provides additional stability for road travel. [1]

Development

Trey Johnson, an award-winning homebuilt aircraft builder took on the challenge of making a roadable aircraft. The PD-1 is intended to be an aircraft first, and a car second. The vehicle can cruise at a speed of up to 140 mph in normal flight even with the road engine sitting as dead weight.

Design

The engine pod carries a separate engine for road travel with its own fuel tank. The wheels are driven through an automatic transmission with a reverse gear. The lightweight fuselage coupled with a low power engine allows 25 miles per US gallon (9.4 L/100 km; 30 mpg‑imp) fuel economy with 5 US gallons (19 L) of usable fuel. [2] The aircraft is registered in Washington state as a motorcycle due to its 3-wheel configuration.

The wings are hinged to allow them to rotate and fold back against the rear fuselage of the plane. The horizontal stabilizer is also hinged to reduce the width of the vehicle in road travel mode.

Operational history

The prototype was constructed using Glasair's two weeks to taxi program. It was started on March 29, 2010, and the modified prototype was test flown by July 21, 2010.

The prototype was displayed at the Experimental Aircraft Association Airventure airshow in 2010. The company's second generation refinement was code named the PD-X, with intention of building a marketable aircraft based on the PD-X test results. [3]

Variants

PD-2 on display PD-PD2.jpg
PD-2 on display
PD-2 rear PD-PD2rear.jpg
PD-2 rear
PD-2 pod installation PD-2-pod.jpg
PD-2 pod installation


Specifications PD-1

Data from Sport Aviation

General characteristics

Performance

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References

  1. ↑ "Plane Driven's Roadable Glasair" . Retrieved 11 October 2010.
  2. ↑ Budd Davisson (October 2010). "The PD-1 Roadable Glastar". Sport Aviation.
  3. ↑ "Company Moves On Transformative Roadable Glasair" . Retrieved 22 October 2010.
  4. ↑ "Plane Driven roadable aircraft hits the streets, oddly" . Retrieved 21 June 2012.
  5. ↑ "PD-2 Sepcification" . Retrieved 1 September 2013.


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