Jabiru SP20a propeller installation
The SP20a was originally designed for use on the Jabiru series engines. Rated at 120hp for use on direct drive engines it was also successfully tested and currently flown on a Titan Tornado fitted with a Rotax 912, and a Jabiru fitted with the Jabiru 3300 engine. later testing was carried out on a Lancair 235 fitted with a Lycoming 0-235 engine. From satisfactory test results obtained it was decided to carry out further testing on a Lycoming 0-320. Feathering position is incorporated for use on powered gliders or twin engined installations.
Rans Shekarie SP20a propeller installation
Engine Subaru 165 HP. Propeller 2 bladed 68.00 “ diameter. Owner made reduction drive. Propeller balanced to .07 IPS.
Lancair 320 SP40a propeller installation
Engine: Lycoming O-320. Propeller Specifications: G.S.C Blades. No. of blades:4. Total weight 28 lbs. Max overspeed 3300RPM. Power rating 210 HP Polar moment /Inertia 7200kg/cm squared. Max. blade diameter 76.8 inches. Blade diameter on Lancair 64.00 inches. Pitch range Operating 38.00 to 108 inches. Beta 0 degrees. Feathering 90 degrees. Control unit Electric Manual/Constant speed. Tested on Lancair to 240mph.