Piasecki / Vertol / Boeing Helicopters model numbers

I complete up to PA.14,of course when I put question mark (?),the are only my speculations.
 
I raise up to PA.67,but please there is very important note,

the designations PA 59,61 and 67 were with involving of Vertol company,so they took
its series in numbers,and the prefix was change into PA !,do you understand my simple
English ?
 
Last edited:
After I discovered this patent,which was based on real project,I edited from PA 8 to PA 15.
 

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After I discovered this patent,which was based on real project,I edited from PA 8 to PA 15.
Cool, this "stuff" seems to be a sort of PA-97 Helistat's forerunner:

d7343f66174a1307ad0ef499f9c28cb3.png
 
Passing up to PA.890,but the PA.101D was also used by Vertol series.
 
From Bernard Collection;

PA.243-X-2 was a Proposal for Investigation of the Techniques for and the Problems of Designing
Variable Diameter Rotors Having Large Ratios of Extended to Retract Span

PA.243-X-3 was a Cost Proposal for Investigation of the Techniques for and the Problems of Designing
Variable Diameter Rotors Having Large Ratios of Extended to Retract Span
 
Also from Bernard Collection,

PA.84-X-5 was a vectored thrust take-off and landing recoverable strike RPV Project of 1973.
 

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Again,from Bernard Collection,

PA.255-X-3 was a proposal for Air to Air Launch and Retrieval System,1972
 

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I completed the PA series.

Here we go to figure out,what's the PV,PD,PH & V sequence would be;

PV-1 was to demonstrate new ideas and a unique anti-torque system with a fan blowing air through
the tail cone, turned by control vanes in the exit,1943
PV-2 was a single seat experimental helicopter,it brought several new features such as the first dynamically
balanced rotor blades, a rigid tail rotor with a tension-torsion pitch change system, and a full cyclic and
collective rotor pitch control
PV-3 was a US Navy XHRP-X DOGSHIP , HRP-1 RESCUER rescue helicopter dubbed "Flying Banana",first
tandem rotor design,crew of two and eight passenger,powered by one 600 shp Pratt & Whitney R-1340-
AN-1 radial engine
PV-4 to PV-7 ------?
PV-8 ? may it was a large tandem rotor helicopter,based on PV-3,and could be powered by two engines
PV-9 was a two-seat long range flying crane helicopter project,also with tandem rotor,powered by Two
Allison GMC Model V-1710-"G' 12 cylinder, liquid cooled aircraft engines
PV-10 ? may was a tandem rotor helicopter project,a small version of PV-3,with crew of two and four
passenger
PV-11 was a utility helicopter developed from PV-2 for USN
PV-12 was a large version of PV-14 for USN, project only
PV-13 could be not used
PV-14 was a US Navy XHJP-1 utility helicopter,powered by one 550 shp Continental R-975-46A 9-cylinder
air-cooled radial piston engine
PV-15 was a large tandem rotor heavy transport helicopter YH-16,powered by two 2100 shp Allison T56-A-5
turboshafts
PV-16 ------?
PV-17 was a US Navy HRP-2 RESCUER
PV-17 ?
COMMUTER projected civilian version of HRP-2
PV-17 ? CONNECTOR projected civilian version of HRP-2
PV-17 ? DE LUXE projected civilian version of HRP-2
PD-/PV-18 was a US Navy HUP-1 RETRIEVER production version of PV-14
PV-18 was a US Navy HUP-2 / HUP-3 / HUP-4 RETRIEVER / US Army H-25A ARMY MULE
PV-19 ? may it was a large flying crane helicopter project to compete in YH-17 contest
PV-20 ------?
PH-21 was a civilian same as Model 44A
PD-/PV-22 was a USAF YH-21 WORKHORSE tandem rotor helicopter
- PD-22B HP class ASW helicopter proposal
- PD-22E assault helicopter proposal
- PD-22F HS class ASW helicopter proposal
PH-23 to PH-25 ------?
PH-26 and -26A HP class ASW CONVERTAPLANE helicopter proposal
PH-27 & PH-28 ------?
PH-29 the blueprint was existed,no more details
PH-30 & PH-31 ------?
PH-32 HS class ASW helicopter proposal
PH-33 ------?
PH-34, -34A and -34B assault transport helicopter proposals
PH-35 to PH-37 ------?
PH-38 ? may it was a helicopter project of 1950,with system called Stopped-Lifting,1950
PH-39 ? may it was a compound helicopter project,had a gull-wing,1950
PH-40 ? may small helicopter with pusher propeller in the tail unit,consider a compound design,1951
PH-41 ? may Disc-Rotor helicopter project of 1951
PH-/PV-42 USAF H-21A WORKHORSE military transport helicopter (AV 166)
PV-42 USAF H-21B WORKHORSE redesignated as CH-21B / Canada CH-125
PV-43 US Army H-21C SHAWNEE redesignated as CH-21C
(P)V-44A civilian transport helicopter, a civil version of PV-42 (AV 247,248)
(P)V-44B civilian float version
(P)V-44C civilian
PV-44 US Navy HKP-1 / Canada CH-127
PV-45 was the YH-16A,later given the designation H-27
PV-46 ------?
PH-47 was a HS class ASW helicopter proposal,project
PH-48 ------?
PH-49 was an observation and liaison helicopter (HO class) project
PH-50 ------?
PH-51 was an observation and liaison helicopter (HO class) project
PH-52 & PH-53 ------?
PH-54 ? Retractoplane was a VTOL aircraft,using rotor blades with reverse taper,project
PH-55 Retractoplane was a VTOL aircraft,also using rotor blades with reverse taper,developed from
previous design,project
PH-56 to PH-58 ? may a lightweight utility helicopter concepts,projected to compete Bell XH-40
PH-59 was later renamed as a Piasecki PA.59,after he was forced to leave the company
PH-60 ? may it was a lightweight utility helicopter to compete Bell XH-40
PH-61 was later renamed as a Piasecki PA.61,after he was forced to leave his company
PH-62 ? may it was the YH-16B,re-engined with two 2100 shp Allison T56-A-5 turboshaft engines,project
PV-63 HUP-4 RETRIEVER,was a HUP-2 (PV-18) fitted with an 800 hp R-1820 engine
PV-64 to PV-66 ------?
PV-67 was later renamed as a Piasecki PA.67
PV-68 to PV-70 ------?
PV-71 was a two H-21C re-engined with G.E. T58 turboshafts engines,H-21D
PV-72 & PV-73 ------?
PV-74 (PH-74) was reserved for Canadian helicopter
PV-75 ? Aerodyne may it was a series of VTOL medium transport aircraft projects
V-76 was a USAF VZ-2 experimental tilt-wing VTOL aircraft
V-77 ? may it was a developed version of V-76,project
V-78 & V-79 ------?
V-80,V-81 & V-82 were a USN fast amphibious utility helicopter projects,intended to compete Kaman K-20
V-83 & V-84 ------?
V-85 ? Aerodyne may it was a development of V-75,as a series of VTOL medium transport aircraft projects
V-86 to V-89 ------?
V-90 was a six engined tilt-wing VTOL experimental aircraft.
V-91 ? I think, it was the same as Piasecki PR-107 (PR was the name of the report only),it was a high performance observation and reconnaissance aircraft project,1955/56
V-92 to V-100 ------?
V-101 it was the same as Piasecki PA.101D,a licence built Agusta A.101D
V-102 to V-104 ------?
V-105 was Model-44 fitted with two 825 hp Lycoming T-53 turboshafts,prototype only.
V-106 ------?
V-107 was a US Navy HRB-1 SEA KNIGHT redesignated as CH-46A
V-107 USAF XH-49A redesignated as XCH-46B, then canceled
V-107 Y/HC-1A redesignated as Y/CH-46C
V-107 SEA KNIGHT (US Navy CH-46D,-46E,-46F / HH-,UH-46D / VH-46F)
V-107 Canada CH-113 LABRADOR (107.II-9)
V-107? Canada CH-113A VOYAGEUR
V-107A
was a Kawasaki built under licence
BV-107-II-28 was a Sub-variant designation for the Canadian Army Voyageur (later CAF CH-113A)

-- From 1959/60,it was absorbed by Boeing to reform Boeing-Vertol;

V-108 to V-113 ------?
V-114 US Army YCH-1B CHINOOK redesignated as YCH-47A
V-114A US Army HC-1B CHINOOK redesignated as CH-47A (AV 259)
V-114A civilian variant (Type certificate H3EA)
V-114 US Army CH-47B CHINOOK
V-115 to V-118 ------?
V-119
was a tilt-wing VTOL aircraft project,V-119F
V-120 to V-128 ------?
V-129 was a Ground Effect Take-off and Landing (GETOL) Flight Research Vehicle (FRV),1960/62
V-130 ------?
BV-131 was a Light Observation Helicopter project in LOH contenders of 1960
BV-132 to BV-136 ------?
BV-137 was a tri-service VTOL tilt-wing transport project, competing with XC-142A (SS-478A),1961
BV-138 to BV-140 ------?
BV-141 proposed USMC V-114 from 1962
BV-142 ? maybe a large Chinook version,need confirm
BV-143 was an ACH-47A armed enemy suppression CHINOOK with externally mounted 20mm cannon, nose turret with grenade launcher and miniguns
BV-144 ------?
BV-145 was a CH-47D CHINOOK version with T55-L-712 engines
BV-146 ------?
BV-147 was a tilt-wing VTOL aircraft,projected for AAFSS,1965
BV-148 ? may it was a tandem two-seat attack helicopter project,could be for AAFSS also,1965
BV-149 ? may it was a light compound helicopter with low-wing and shrouded ducted tail rotor,1966
BV-150 was a tilt-wing/tilt-rotor airplane studies,1966
BV-151 to BV-156 ------?
BV-157 was a smaller inter-city helicopter project based on Chinook
BV-158 & BV-159 ------?
BV-160 was a tilt-rotor VTOL aircraft project,with high wing
BV-161 to BV-164 -----?
BV-165 was Australia CH-47C Chinook
BV-166 was a Very Heavy Lift VHL warm-cycle helicopter project (166-006)
BV-167 was a larger inter-city helicopter project based on Chinook
BV-168 & BV-169 ------?
BV-170 was a four engined tilt-high-wing VTOL transport aircraft project,intended for LIT competition
BV-171 & BV-172 ------?
BV-173 was a Canada CH-147 Chinook
BV-174 & BV-175 ------?
BV-176 was a Spain HT.17 export CH-47C Chinook
BV-177 was an advanced civil Chinook with non-overlapped,tandem 70 ft dia, rotors,1966
BV-178 ------?
BV-179 was a US Army YUH-61A UTTAS multirole helicopter
BV-179 civilian projected,a civilian version of UH-61
BV-180 possible designation of Lift/Cruise Fan Technology V/STOL Research Airplane (a modified T-39)
BV-181 ? may it was a HELIJET Lateral Twin Folding Rotor V/STOL Aircraft evaluated by ONR/Army,1968
BV-182 ? may it was a Rotafix VTOL transport concept. Rotors are single blade/counterweight and when stopped,
act as a wingtip extension
BV-183 ? may it was an extended span wing aircraft,powered by four engines
BV-184 to BV-188 ------?
BV-189 was a Sea Control Fighter System Development Proposal,1972
BV-190 to BV-209 ------?
BV-210 probable designation of various V/STOL studies
BV-211 ------?
BV-212 was an Italian-licensed CH-47C by Elicotteri Meridionali
BV-213 was a V/STOL Tilt/Stowed-Rotor aircraft project
BV-214 ------?
BV-215 was a tilt-rotor VTOL transport aircraft project
BV-216 proposed USMC Model-347 HLH,1970
BV-217 & BV-218 ------?
BV-219 was a Chinook various designs
BV-220 & BV-221 ------?
BV-222 was a tilt-rotor project using the fuselage, tail and undercarriage of a Mitsubishi MU-2J, engines
in wing-tip pods
BV-223 to BV-226 ------?
BV-227 was a heavy flying crane helicopter project
BV-228 to BV-233 ------?
BV-234 was a US Army CH-47C Chinook and civilian version
BV-234ER civilian extended range version
BV-234LR civilian long-range version
BV-234MLR civilian long-range version
BV-234UT civilian ultility version
BV-234-68 projected stretched version of Model 234
BV-235 was a US Army AAH contender, mock-up only
BV-236 ------?
BV-237 was a LAMPS III competitor of S-70L
BV-237/II may it was re-allocated to a flying crane helicopter project
BV-238 was a tilt-rotor VTOL transport project
BV-239 to BV-296 ------?
BV-297 was a LAMPS III competitor of S-70L,powered by three turboshaft engines
BV-298 was a 100-passenger heavy lift and flying crane helicopter project
BV-299 was a flying crane project with payload 3-4 tons higher than Model 298
BV-300 ------?
BV-301 was a US Army XCH-62A HLH (Heavy Lift Helicopter) winner, later canceled
BV-302 to BV-306 ------?
BV-307 was a projected stretched version of Model 234 for 225 passengers
BV-308 was Argentine version of CH-47C Chinook for Argentine Air Force
BV-309 was Argentine version of CH-47C Chinook built in Italy, some for Argentine Army
BV-309/II ? may it was a Canadian, CH-147 Chinook, no details as to difference with BV-173
BV-310 to BV-339 ------?
BV-340 was a possible designation of Quiet Short Haul Research Aircraft / USB Propulsive-Lift Aircraft
BV-341 to BV-346 ------?
BV-347 was an Experimental CH-47A derivative with wings, extended fuselage, 4-bladed rotors, etc.
BV-348 to BV-351 ------?
BV-352 was a CH-47C, Royal Air Force Chinook HC.1
BV-353 to BV-359 ------?
BV-360 was a 1987 Advanced Technology Demonstrator; aka CH-46X
BV-361 to BV-413 ------?
BV-414 was a Chinook international military version of CH-47D
BV-414-100 was an Updated 'International Chinook' development
BV-415





- To be continued
 
Last edited:
Hesham
In your list
BV-173 should be spelt Chinook. Is this the 8 CH-47C's that Canada bought and had delivered in 1975 as CH-147. Later sold to the Netherlands
BV-309 Is this the current fleet of CH-47F Canada operates now under the designation of CH-147F?
 
Hesham
In your list
BV-173 should be spelt Chinook. Is this the 8 CH-47C's that Canada bought and had delivered in 1975 as CH-147. Later sold to the Netherlands
BV-309 Is this the current fleet of CH-47F Canada operates now under the designation of CH-147F?
Thank yoy Twinotterpilot,

and I edit V-77,BV-148 & BV-149.
 
... BV-173 should be spelt Chinook. Is this the 8 CH-47C's that Canada bought and had delivered in 1975 as CH-147 [?]

Yes
BV-309 Is this the current fleet of CH-47F Canada operates now under the designation of CH-147F?

No. The CH-147F is an example of the 'International Chinook' in updated Model 414-100 form.

The BV-309 was another CH-47C variant designation (see below).

A few more for hesham ...

BV-107-II-28 = Sub-variant designation for the Canadian Army Voyageur (later CAF CH-113A)

BV-212 = Italian-licensed CH-47C by Elicotteri Meridionali

BV-237 = (Project) Boeing Flying Crane

BV-297 = (Project) Boeing Flying Crane; 3 x turboshafts

BV-298 = (Project) Large heavy-lift helicopter

BV-299 = (Project) Very large heavy-lift helicopter

BV-301 = Heavy-lift helicopter, XCH-62

BV-307 = (Project) Civil variant of XCH-62

BV-308 = CH-47C for the Fuerza Aérea Argentina

BV-309 = CH-47C for the Ejército Argentino

BV-347 = Experimental CH-47A derivative with wings, extended fuselage, 4-bladed rotors, etc.

BV-352 = CH-47C, Royal Air Force Chinook HC.1

BV-360 = 1987 Advanced Technology Demonstrator; aka CH-46X

BV-414 = CH-47D 'International Chinook' export variant
- BV-414-100 = Updated 'International Chinook' development
 
Many thanks to you dear Apophenia,

and I complete the list and add BV-181 ? and BV-182 ?.
 

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