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Price
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Our most popular aircraft, the Mark III Xtra
embodies all of the design features and flying characteristics
of our Mark III Classic. It is easy-to-build and easy to fly.
With its gross weight of 1000 lbs. and slow stall speed, it qualifies
as an experimental kit build light sport aircraft... Perfect
for Sport Pilot!
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Pictured above is Ryan Faulkner sitting in a Kolb Mark
III Xtra.
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HIGH PERFORMANCE
The Mark III Xtra is aerodynamically designed to offer
increased speed. 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.
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STURDY CONSTRUCTION
The welded chrome-moly steel fuselage cage provides the
solid feel of a "real" airplane. For
strength and durability in airframe structures, aluminum and
steel are superior. The heart of the Mark III Xtra, the
fuselage cage, is made from strong, factory welded 4130
chrome-moly steel. We also use 4130 steel in all high stress
areas.
All Kolb Aircraft utilize traditional control systems, cables and push-pull tubes.
Mark III Xtra wings have rigid truss ribs and a
massive 6" aircraft aluminum wing spar. Covered
with Stits aircraft covering, there is no comparison!
SPORTY HANDLING
The doors/windows are removable which makes for great
summer flying.
Although
Kolb aircraft are easy to fly and have gentle flight
characteristics, they are also high performance aircraft. We
recommend training or some transition training before
attempting flight in our aircraft.
FOLDING WINGS & TAIL
Like all Kolb aircraft, the Mark III Xtra has folding wings and
tail which allow for easy storage or trailering. The
tail folds up and the wings fold back along the fuselage in
about 15 minutes by one person. No tools or brackets are
required Everything stores right
on the airframe. Many of our customers fold and unfold their
airplanes routinely every time they fly -- year after year. This allows for money
saving compact storage at the airport or at home.
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Pictured above is builder Tony O'Neil's
Kolb Mark III Xtra.
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Optional toe pedal brakes provide for sure stops and allow a tighter turning radius.
The flaps and ailerons and optional brakes allow the Mark III
Xtra to be
landed, stopped and maneuvered in very tight areas.
GREAT VISIBILITY
Additionally, the modifications made to the fuselage (an
added 12" in length) resulted in more cockpit space, more
baggage space, and more leg room. The cockpit ergonomics have
been modified moving the instrument panel closer to the pilot.
The larger windshield area adds even more to the already
outstanding visibility offered by Kolb aircraft.
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Pictured above is Barney Barns' Mark III Xtra
in South Carolina.
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Flaps 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. This is
exactly what is needed to drop into a short field or for an
emergency landing.
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BENEFICIAL CHARACTERISTICS OF THE MARK III XTRA INCLUDE
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| 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. What you get in addition is increased speed, more cabin
room, and more visibility. The full enclosure doors are
modified to swing forward to facilitate easier entry and exit
of the aircraft.
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| SPECIFICATIONS |
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| Seating |
two |
| Wing Span |
30 ft. |
| Wing Area |
160 sq. ft. |
| Length |
24 ft. (same folded) |
| Height |
6ft. 4in. (same folded)
75 in. with 3-blade prop
Height and width are based on
standard wooden prop. Larger prop with more blades add to the height
and width of the aircraft. |
| Width (folded) |
6ft. 10in. at wheels
66 in. with 2-blade prop
Height and width are based on
standard wooden prop. Larger prop with more blades add to the height
and width of the aircraft. |
| Empty Weight |
500 lbs. (typically) |
| Gross Weight |
1000 lbs
Weight is approximate and may
vary . Manufacturer's tolerances in tube wall thickness, engine size,
and doping and painting of the aircraft are a few of the many items
which may introduce weight variations.. |
| Fuel Capacity |
10 gal. |
| Load Factor |
+4 -2 g (limit) |
| Stall Speed |
38/41 mph |
| Vne |
100 mph |
| Build Time |
Approx. 450 hrs.
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| Factory Quick Build offered by Custom Air |
Approx. 230 hrs
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| Full Assembly Option Available |
Builder assist program with Custom Air.
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| ROTAX
ENGINE |
582 |
912 |
912s |
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solo/dual |
solo/dual |
solo/dual |
| Reduction Unit |
Gearbox, 2.58:1 |
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| Propeller |
68 in. diameter two-blade wood |
70 in. diameter two-blade wood |
70 in. diameter two-blade wood |
| Propeller |
66 in. diameter three-blade wood |
70 in diameter three-blade wood |
70 in. diameter three-blade wood |
| Takeoff Distance |
150' (s)
200'.(d) |
150' (s)
175' (d) |
150' (s)
175' (d) |
Rate of Climb
is based on a 175 lb. pilot. |
1000 fpm (s)
800 fpm (d)
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1300 fpm (s)
1100 fpm (d) |
1300 fpm (s)
1100 fpm (d) |
| Top Speed |
90 mph |
100 mph |
100 mph |
| Cruise Speed |
80 mph |
90 mph |
90 mph |
| FACTORY QUICK
BUILD |
These
structures/operations are done |
| Wings |
2 Built |
| Ailerons |
2 Built |
| Vertical Stabilizer |
1 Built |
| Horizontal Stabilizers |
2 Built |
| Elevators |
2 Built |
| Rudder |
1 Built |
| Wing Alignment |
Wings are attached and aligned with fuselage |
| Lift Struts |
Are assembled to correct length |
| Tail Alignment |
Tail surfaces are aligned and attached to
fuselage tube |
| Tail Wire Bracing |
Made to length with ends swedged |
| Tail Hinges |
All hinges for horizontal stabilizers,
elevator, rudder, aligned, and temporarily installed. |
| Fuselage " H " Section |
Installed |
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| MARK
III XTRA FABRIC
COVERING KIT |
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| From Aircraft Technical Support |
$1870
(subject to change) |
| Hazardous shipping & handling |
$ call |
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Fabric covering and finish paint are NOT included in kit prices.
Kolb Fabric Covering Kits are supplied by Aircraft Technical
Support, Inc. Call Jim and Dondi Miller toll free at 1-877-877-3334, or visit their web site.
The Kolb Covering Kit uses the Poly-Fiber process. The Kit includes fabric,
fabric tapes, fabric cement (Poly-Tak), fabric coatings (Poly-Brush), solvents,
special large head fabric rivets, a Rib Rivet Drilling Fixture, Poly-Fiber Manual,
and an instructional video. Finish Paint is not included in the Fabric Covering
Kit, however, 50 Poly-Fiber colors are available through Aircraft Technical
Support. As Kolb enthusiasts, Jim and Dondi Miller are available to help
you with fabric covering and painting questions. They conduct seminars
and fabric covering workshops, and operate a Fabric Covering Shop.
Call them anytime toll free at 1-877-877-3334 for technical help! |
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