SunDancer motorglider can exchange removable wing extensions boosting wingspan from 42 feet 8 inches (13 meters) to 49 feet 2 inches (15 meters). Glide goes from a respectable 26:1 to 30:1.
If you’ve never thought about what that kind of reach means, try drawing a 30:1 line on a computer or graph paper (for reference, 1:1 is a 45° slope). If you’re precise what you’ll see looks essentially like a horizontal line. From 6,000 feet you can glide to almost any point you can see, presuming no wind resistance.
Of course, this is also the reason why speed brakes are valuable; you’d be hard pressed to land on a long runway because SunDancer might keep gliding right past the end.
Clearly, cruising from the West Coast to East Coast shows SunDancer to be a serious travel machine for two occupants. Tomazin said you can range 800 miles and carry 100 pounds of baggage.
SunDancer grosses at 1,320 pounds like most LSA but has a fairly light empty weight of 639 pounds. It is powered by either the 80- or 100-horsepower Rotax 912.
Special Motorglider Benefit
Because Sun Dancer can be registered as a motor glider, it benefits from a special exception from FAA. No medical is needed but even better if a pilot has been denied a medical, you can still fly a motorglider. That’s not true for a Light-Sport Aircraft.
According to FAA Part 61.23, “A person is not required to hold a medical certificate … when exercising the privileges of a Sport Pilot certificate with privileges in a glider or balloon,” with the definition of a glider being “…a heavier-than-air aircraft, that is supported in flight by the dynamic reaction of the air against its lifting surfaces and whose free flight does not depend principally on an engine.” SunDancer easily qualifies.
Here’s further motorglider advice compliments of Jim Hanson writing for our friends at Midwest Flyer (see his whole article here but note most motorgliders he discusses are not LSA types):
“Unlike LSA aircraft, they are not restricted to altitudes of 10,000 feet.” That’s good since a soaring machine limited to 10,000 feet would be unnecessarily restricted. Note the photos the oxygen bottle aft of the seats.
“With their large wing area, [motorgliders] offer low stall speeds, fast climb, and near-STOL capabilities. They usually employ glider-like spoilers or airbrakes for direct lift control and steep descents.” Speed brakes offer both dramatic and precise lift control despite their relatively small size; one secret is the exact placement on the wing’s chord.
Their power and usefulness prompted Hanson to add, “Once you fly an aircraft with spoilers, you’ll wonder why every airplane doesn’t have them.”
No question, motor gliders have their intriguing qualities and might deserve serious attention. Priced quite reasonably (definitely so compared to motor gliders like a Stemme S-12), SunDancer is a good value at around $135,000.
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