In answer to the question below by Mr. Langford - This is a brief excerpt by
Neil Bingham as found on the KR Newsletter CD archives. The complete Flight
Report can be read in KR Newsletter - July 1986 Issue #123.
Neil Bingham
KR-2 N81NB
Empty Weight: 610 lbs..
Engine: Limbach L2000E01, 80 Horsepower
Prop: Hoffman H011A-135 B 901 (53 x 35)
Test Weight: 866 lbs.
Air Temp: 78F
Wind: Calm
Runway: 4700' paved
Field Elevation: 4222' MSL
Date/Time: July 4, 1985/ 6:45 AM
After 3 years build time, 4 1/2 hours taxi time and 4 tail-up runs down the
runway, eased in throttle to 2,500 rpm. Tail up at about 35 mph, line up on
center line and ease in rest of throttle. Much left rudder to hold straight,
hold on runway to 60 mph, ease off slight forward stick pressure and off she
comes. Climb out at 1,000 fpm and 80 mph indicated. Very smooth and total
control.
Some of the mods/additions to Ken Rand's original design include:
1 - Full panel for IFR, except ADF.
2 - 1 3 1/2" longer, 18" more wingspan.
3 - Dual controls, including heel brakes.
4 - 100° balanced control surfaces.
(Have had it to 205 true with no indication of flutter).
5 - King avionics include KX-155/KI-209
Nav/Com/GS, King transponder with blind encoder, King Mkr. Ben.
6 - Wing tanks (in center section, 5 gal. each side). Facet transfer
pump.
7 - Removable forward deck/14.5 gal. main tank.
8 - Removable custom turtle deck with 3 windows for 360° visibility.
9 - Long-Eze type Whelan position/Strobe 1ights on wing tips.
10 - Dual landing lights.
11 - All antennas glassed in, ala RST Labs Com in vert, stabilizer;
Nav/GS
outer left wing; Marker Beacon rear right wing; Transponder in
outer
right wing leading edge. All work just fine.
12 - Two props: Climb - Hoffman; Cruise Warnke "Almost Constant Speed".
Regards,
Larry A Capps
KR Newsletter CD
Naperville, IL
-----Original Message-----
Neil Bingham wrote his Sport Aviation article
"A Critcal Design Review"
The question is,
did he add the dynamic elevator balances BEFORE or AFTER he
wrote the article, and did they help?
Mark Langford
