I repeat sending the list to be completed;
K-1 was a two seat coaxial rotor helicopter
K-2 ? maybe itself K-225,need confirm
K-3 was the same as HOK-1 and HUK-1 (K-600)
K-4 ? may it was a heavy transport helicopter project,could accommodated 40-passenger,intended to compete
Piasecki XH-16
K-5 was a modified version of K-225 with the Boeing T50-BO-2
(Model-502) engine
K-6 was a flying crane project,intended to compete McDonnell XHCH-1
K-7 ? maybe it was ASW for Navy competition of 1950/51
K-8 was observation/liaison helicopter Project
K-9 was a project for a small single-seat helicopter powered by a
43 hp Nelson H-63 (YO-65) four-cylinder two-stroke engine.Once
again employing Kaman's twin-intermeshing rotor system
K-10 ? maybe it was a Rotorchute concept,,1954,need confirm
K-11 ? maybe it was Annular (Flying Barrel) Concept,1955,need confirm
K-12 ? maybe it was a Propulsion Rotor concept,1956,need confirm
K-13 ? maybe it was a Stopped Rotor airplane,1956,need confirm
K-14 was ASW helicopter Project for Canada
K-15 was a utility and liaison gyroplane proposal
K-16A was a twin boom COIN aircraft Project
K-16B was a tilt -wing VTOL experimental aircraft,based on Grumman JRF "Goose"
K-16C was a Project for K-16 with a Kaman HU2K
helicopter fuselage and fixed wing aircraft empennage
K-17 was a two-seat open cockpit experimental helicopter
K-18 ? may it was helicopter project,intended for US Army heavy flying crane helicopter contender of 1956,which was competed Hughes XH-28
K-19 was a USN Amphibious Utility Helicopter Project,
it had a two-rotor configuration
K-20 was a USN Amphibious Utility Helicopter,later became
Seasprite
K-60 was light transport helicopter project,Mr. Bensen called its model
a "microlaboratory",and its fuselage was of cut-out plywood covered
with silk,later called K-600
KSA-100 Aercab was a stowable aircrew vehicle escape rotorseat
K-101 was titanium rotor hub for K-20 (SH-2F) Seasprite
K-110 ? maybe a heavy flying crane helicopter project,intended to compete Hughes XH-28
K-120 was a composite helicopter Project of 1955
K-125 was an experimental two-seat helicopter with moulded plywood fuselage and cockpit with clear bubble canopy
K-130 & K-130A were a light observation helicopter Projects,intended for
LOH competition
K-137 was a radio-controlled drone based on the HH-43B
K-140 was a VTOL convertiplane Project,looks like Fairey Rotodyne
K-141 was the same as K-140,with stretched tail boom
K-150 ------?
K-160 ------?
K-170 ------?
K-180 ------?
K-190A was an open frame two-seat helicopter with single pilot seat
and two-place rear bench
K-190B was a modified K-190A,with three seats
K-200 ------?
K-210 ------?
K-220 ------?
K-225 was an open frame three-seat utility helicopter,developed
from K-190
K-230 ------?
K-240 was a three-seat US Navy training helicopter,HTK-1,based
on K-225
K-244 was a rotating-wing RPV Project
K-250 was observation helicopter project
K-255 ? maybe a drone helicopter,need confirm
K-300 ------?
K-400 ------?
K-500 ------?
K-600 was HUSKIE Army (H)H-43A (1953)
K-600 was Navy HUK-1 HUSKIE (redesignated OH-43D in 1962)
K-600 was Army UH-43A HUSKIE
K-600 was Navy XHOK-1 HUSKIE
K-600 was Navy HOK-1 HUSKIE (redesignated UH-43C in 1962)
K-600 was HUSKIE civil civilian variant
K-600-3 was Army (H)H-43B HUSKIE
K-600-3 was HUSKIE civilian variant
K-600-4 was a HUSKIE,powered by Blackburn Turbomeca Twin
Turmo 600 hp truboshaft engine
K-600-5 was Army HH-43F HUSKIE
K-600-5 was Army QH-43G HUSKIE
K-600-5 was HUSKIE civil civilian variant
K-700 was a rescue helicopter Project for USAF,based on K-1125,
with two PT6A turboshafts
K-747 was the Kaman designed and began manufacturing the K-747
blade,the world's first production all-composite rotor blade for
the Bell AH-1 Cobra helicopter in 1976
K-750 was a US-Built Aerospatiale SA-341 Gazelle
K-757 was also a rotor blade as K-747
K-800 Seacat was a naval armed helicopter Project,with Seasprite
type fuselage,cruciform tail with pusher prop and twin turbines
K-820 Sealite, was a cancelled version of SEASPRITE; full-size mock-up (1970)
K-860 was a HH-2D Seasprite
K-888 was a SH-2F Seasprite (LAMPS) (*or applies to all K-20 models??)
K-894 Super Tomahawk (also Y/SH-2G SUPER SEASPRITE?)
K-900 ------?
K-1000 ------?
K-1100 ------?
K-1125 was a prototype pf 12-passenger civil transport helicopter,
based on K-600
K-1200 or K-MAX was a single seat aerial crane helicopter,with twin
intermeshing two-blade composite main rotors
- To be continued