The Math (Gulp !)
In this post we take a look at some real world numbers for the Bearhawk. If this makes your eyes glaze over, feel free to skip right to...
top of page
Pitch Trim Tab linkages
Some 4-place models have reported movement in the pitch trim tab linkages at the front bushing. The original kit-sets had a rod-end...
26
Flap Limit speeds and Maximum angles
Bearhawk designer Bob Barrows issued an engineering notice HERE. It is understood that the notice applies to those models with larger...
57
Flap Pulley Wear
Several Bearhawk owners have reported wear observed on the inside of the exterior fuselage flap pulleys, generally at around 400 flight...
30
Carbon Monoxide
Carbon Monoxide (CO) is an ever-present risk for all light aircraft. A number of Bearhawk builders have reported difficulty in preventing...
38
Vortex Generators
Vortex Generators offer a number of incremental performance improvements with no observable change to cruise speed. Installation A number...
21
Tail-wheel training notes
The following notes are written by Grant Bisset of Wanaka, New Zealand. These notes are not a substitute for quality instruction from an...
53
Circuit Handling
Normal Landing Discussion The Bearhawk lands well in a 3-point attitude with a couple of small differences. For a normal approach,...
107
Upper Air Handling
Effect of CG on Stall Discussion The Bearhawk has a very wide CG envelope compared to many light aircraft, and therefore exhibits it's...
44
Ground Handling
Amateur built aircraft differences Discussion No two Bearhawks are likely to be the same. In addition to the differences between models,...
45
Accident Database Search
The NTSB keep aircraft accident/incident records that occurred in the USA. Databases such as this can be extremely helpful in recognizing...
80
Flap Handle Wear
One owner reported wear on the flap handle lower bolt hole at the 1000 hour inspection. The original 3/16" hole had elongated and...
6
Tail-low Wheel Landing
Photo Credit Grant Bisset I felt that this landing technique deserved it's own page. The usual landing technique used in the back-country...
7
Heavy Wing
When I was test flying my Bearhawk I noticed that in level flight the right aileron was reflexed slightly more than the left. Very long...
29
Loss of Directional Control on Landing
The Bearhawk is a well mannered aircraft among tail-draggers. However tail-draggers as a group are more challenging to handle during...
157
Fuel Servo Finger Filter
On my aircraft I observed a decrease in fuel pressure on two separate occasions while in the cruise at 8500ft. A subsequent data download...
33
Stainless Steel Control Cables
Some builders that has installed stainless steel control cables reported relatively high wear on the cables after several hundred hours...
40
Tailwheel Shimmy
Shimmy is when the tailwheel becomes unstable and oscillates from side to side, or rotates through 360º usually during a landing roll....
30
Fuel Selectors
Related topics: Bearhawk fuel system and Fuel Management Rudder and Yaw Sensitivity Uncoordinated Flight Most Bearhawks have a fuel...
113
MTOW
The original MTOW of the early Bearhawk 4-place aircraft was 2500lbs (1136kgs) in the utility category (4.4 G). The designer allowed...
39
Oratex Fabric
There's often a discussion among builders regarding which fabric system to use. I used Polyfiber fabric, combined with Stewart Systems...
41
Uncoordinated Flight
Related topics: Fuel Selectors Yaw Sensitivity Fuel System and Fuel Management Uncoordinated flight will effect all aircraft types, not...
114
Rear Longeron
Several pilots have reported deformed lower aft longerons. It is not uncommon for taildragger aircraft being used off-airport to...
83
Tail-plane Struts
Several owners have reported broken tailplane struts with a fracture point at the lower threads. It's a good place to cast a vigilant eye...
89
bottom of page