Kolb designs have narrow noses like a lot of other designs. The latest change does a lot to alter the appearance of the older design.
#Kolb marl 3 construction from quickbuild series
The venerable Mark III has been through a series of changes since original company founder Homer Kolb first brought out a 2-seater called the TwinStar. It literally offers extra in several ways pilots will like. “Xtra” - a word to make a computer spell-checker stumble – is an appropriate name for this month’s pilot’s report, The New Kolb Aircraft Company Mark III Xtra side-by-side 2-seater.
#Kolb marl 3 construction from quickbuild full
The full enclosure doors are modified to swing forward to facilitate easier entry and exit of the aircraft.BROAD SHOULDERS – The Xtra’s relatively large 160-square-foot wing and big engine make the design a potent performer at speeds below 100 mph. What you get in addition is increased speed, more cabin room, and more visibility. STOL performance, roomy cabin, superior visibility, sturdy construction, quick folding wings and tail, superb handling and the ability to carry large people and pay loads. This is exactly what is needed to drop into a short field or for an emergency landing.īENEFICIAL CHARACTERISTICS OF THE MARK III XTRA INCLUDE The larger windshield area adds even more to the already outstanding visibility offered by Kolb aircraft.įlaps are standard equipment and decrease the stall speed by 4-5 mph, but more importantly, allow for very steep descents without building up excessive airspeed. The cockpit ergonomics have been modified moving the instrument panel closer to the pilot. The flaps and ailerons and optional brakes allow the Mark III Xtra to be landed, stopped and maneuvered in very tight areas.Īdditionally, the modifications made to the fuselage (an added 12" in length) resulted in more cockpit space, more baggage space, and more leg room. Optional toe pedal brakes provide for sure stops and allow a tighter turning radius. This allows for money saving compact storage at the airport or at home. Many of our customers fold and unfold their airplanes routinely every time they fly - year after year. No tools or brackets are required Everything stores right on the airframe. The tail folds up and the wings fold back along the fuselage in about 15 minutes by one person. Like all Kolb aircraft, the Mark III Xtra has folding wings and tail which allow for easy storage or trailering. We recommend training or some transition training before attempting flight in our aircraft. The doors/windows are removable which makes for great summer flying.Īlthough Kolb aircraft are easy to fly and have gentle flight characteristics, they are also high performance aircraft. Covered with Stits aircraft covering, there is no comparison! Mark III Xtra wings have rigid truss ribs and a massive 6" aircraft aluminum wing spar. All Kolb Aircraft utilize traditional control systems, cables and push-pull tubes. We also use 4130 steel in all high stress areas. The heart of the Mark III Xtra, the fuselage cage, is made from strong, factory welded 4130 chrome-moly steel. For strength and durability in airframe structures, aluminum and steel are superior. The welded chrome-moly steel fuselage cage provides the solid feel of a "real" airplane. With the expertise of Barnaby Wainfan, enhancements were made to the fuselage section of the aircraft which generously offers an additional 10-15 mph cruise speed of 80 mph with the Rotax 582, and 90 mph with the Rotax 912. The Mark III Xtra is aerodynamically designed to offer increased speed. and slow stall speed, it qualifies as an experimental kit build light sport aircraft.
Our most popular aircraft, the Mark III Xtra embodies all of the design features and flying characteristics of our Mark III Classic. The lite version was discontinued in 1994 as most people wanted the flaps which the Lite version did not have.Ĭabin width is 42 inches and entrance is through one of the two gull wing style doors. In 1993, the Mark III lite was introduced. In 1990, after the FAA allowed for heavier 2-place ultralights, the same basic TwinStar Mark II design was strengthened (main spars increased from 5" to 6" diameter) to carry the more powerful Rotax 582 engine and also to increase the gross weight to 1000 lb.
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