Grumman project list

[Skybolt]

Hoping to stir upr some discussions (and undigging of half-forgotten infos) I post the Grumman projects list found in the Francillon's book (Putnam-Naval Insitute) on Grumman Corporation. As it's very well explained in the opening remarks, it is complete till G-128 and after veeeeery sketchy (to say the best). Anyhow, till G-128 it is fairly complete (this means circa 1956-57). Enjoy.
Uh, there is an obviuos error: G-118 and G-119 have been switched. G-118 is really the XF12F.

 

[Skybolt]

As a gracious addition, this is the list of the G-98 projects (F11F) to give an idea of the Grumman nomenclature. Read the notes, there i a surprise (hydro-Tiger...)

 

[Skybolt]

I stir a dscussion myself (hopefully). Look at those two model numbers, G-107 and G-109. USAF interceptor and high-altitude WS, 1955-1956 timeframe... And the 109 includes the Eagles too.. Sound familiar? Other competitors in the phantom competition for the long-range interceptor?

 

[overscan (PaulMM)]

G-109 has to be an alternative to the Douglas F6D Missileer, I'd think, from the description.
Grumman's G-118 (XF12F) is the Phantom II rival, no?

 

[Skybolt]

G-118, yes. G-108, probably, but a little bit early (1956?). And G-107? ??? Not to mention G-119.

 

[devi]

Hi Skybolt.

Many thanks for the information.

And so, Grumman did not participate in competition with Douglas Model D-6?? (XA4D-1).

If there are in it to the book(Grumman Aircraft Since 1929) more detailed of information on projects Model G-86 and G-92 if it is possible tell to us(3-view drawings, figures and specifications )

 

[Skybolt]

Uh, no and no... I'll search in the individual plane histories but I doubt it. The VTO could be related to the same competition of the Pogo.

 

[devi]

Hi Skybolt.

I in one read, that:
G-94----------XWF-1

and in book Grumman Aircraft Since 1929 it is written so:
G-94-----------Flex-deck F9F-7
G-95-----------XWF-1

If is in the book " Grumman Aircraft Since 1929 " about projects Model G-25, G-57, G-107 and G-124(figures,3-view drawings & specifications) show us if it is possible.

 

[Skybolt]

Nothing, again...
As for the G-94, etc, probably in my list there is a switch of numbers, as there surely is one between G-118 and G-119.

 

[Tailspin Turtle]

Looking for a drawing of the single J75-powered Design 118A for my F8U-3 monograph, I wrote the Grumman archives asking for information about the Design 119, listed in Francillon's book as the "XF12F design studies", whereas the 118 is listed as "Mach 2-plus fighter study", thinking that the 119 might have originally been the designation for the single-engine version. (Note that the 118 was not the XF12F as I've discussed elsewhere.) It turns out that Skybolt is almost certainly correct about Francillon switching the designations. Although it looks like a design suitable only for a Saturday morning kiddy cartoon, I can assure you that it is straight from the Grumman archives. I've included the notation on the drawing - the reversed writing is "Design 119" and "Three View". Note that this might be one of several sketches like the Design 110 series that I've described elsewhere.

 

[Boogey]

... (and undigging of half-forgotten infos) ...

I noticed that many people still don't realize the G-16 was Wildcat prototype in biplane configuration.
That's why the monoplane prototypes versions were designated G-18.

 

[Steve Pace]

Here's some Grumman design/G-numbers, 58A thru 105. Does anyone have info for the numbers listed without data?

58A, G-58A Gulfhawk IV (F8F-2 Bearcat)
58A, G-58A Red Ship
59, no data
60, no data
61, no data
62, no data
63, G-63 Hepcat Kitten I
63A, G-63A Kitten I
64, XJR2F-1 Albatross
64, SA-16A (HU-16A) (LU-16C) Albatross
64, UF-1 (HU-16C) Albatross
64, UF-1G (HU-16C) Albatross
64, UF-1T (TU-16C)
65, G-65 Tadpole
66, no data
67, no data
68, no data
69, no data
70, XTB3F-1
70, XTB3F-1S “Fertile Myrtle,”
70, XTB3F-2S
71, proposed single seat single engine carrier-based Westinghouse J34 (Model 24C) turbojet powered day fighter; pre-design number 79 – not proceeded with
72, G-72 Kitten
73, G-73 Mallard
74, G-44A Widgeon
75, XF9F-1 tandem two seat carrier based night fighter powered by four General Electric J47 turbojet engines; not proceeded with
76, no data
77, no data
78, no data
79, XF9F-2 Panther
79, XF9F-3 Panther
79, F9F-2 Panther
79, F9F-2D Panther
79, F9F-2P Panther
79, F9F-3 Panther
79, F9F-4 Panther
79, F9F-5 (DF-9E) Panther
79, F9F-5P Panther
80, no data
81, no data
82, AF-2S Guardian
82, AF-2W Guardian
82, AF-3S Guardian
83, XF10F-1 Jaguar
84, no data
85, no data
86, no data
87, no data
88, no data
89, XS2F-1 Tracker
89, S2F-1 (S-2A, YS-2A, TS-2A, S-2B) Tracker
89, S2F-2 (S-2C) Tracker
90, no data
91, no data
92, no data
93, F9F-6 (F-9E, DF-9E, QF-9F, QF-9G) Cougar
93, F9F-6P Cougar
93, F9F-7 (F-9H) Cougar
94A, F9F-7 Cougar
95, no data
96, TF-1 (C-1A) Trader
97, no data
98, F11F-1 Tiger (first three designated F9F-9)
98, F11F-1 (YF-11A, F-11A) Tiger
98J, F11F-1F Super Tiger
99, F9F-8 (F-9J) Cougar
99, F9F-8B (YAF-9J, AF-9J) Cougar
99, F9F-8P (RF-9J) Cougar
100, no data
101, no data
102, no data
103, no data
104, no data
105, F9F-8T (TF-9J, YTF-9J) Cougar


More to follow....

 

[Steve Pace]

Does anyone know the G-numbers for the F-111B and X-29A? I don't think Grumman had to use GD's Model 12 number for its F-111B...

 

[Stargazer]

Does anyone know the G-numbers for the F-111B and X-29A? I don't think Grumman had to use GD's Model 12 number for its F-111B...

Grumman's G-310 is given as the TFX/F-111.
The projected RF-111B reconnaissance version was the G-431.
The X-29A was the G-712.

 

[Steve Pace]

Right on...

 

[Maveric]

...and the designations of the other versions of the F.111???
(RF.111A; RF.111D; F.111A to K; FB.111A and H; EF.111B)

Servus Maveric

 

[Stargazer]

...and the designations of the other versions of the F.111???
(RF.111A; RF.111D; F.111A to K; FB.111A and H; EF.111B)

Servus Maveric

These would be General Dynamics designations, not Grumman. Unfortunately these are not publicly known as far as I know. To me the F-111 is the GD-12, period. The GD designation system is pretty obscure to me, anyway, with two-digit numbers (GD-12, GD-14, Model 21, Model 44), three-digit numbers (Model 100, R-104, Models 201, 204, E-205, M-210, 218, Models 401 and 402) and four-digit numbers (Models 1600, 1601, 1602, 1700) — not to mention odd designations like VX-11... I hope someone will eventually shed some light on that question since GD is now defunct and a part of Lockheed.

 

[nugo]

Hi All!

G-344---Lunar Logistics System.
G-516---Naval Tactical Attack Aircraft.

 

[Stargazer]

Thanks nugo! Any dates?

Recently found a "Model 413 Lunar Landing Vehicle" and wondered if this could be the Grumman LEM...

 

[overscan (PaulMM)]

Hi All!

G-344---Lunar Logistics System.
G-516---Naval Tactical Attack Aircraft.

SOURCE!

Is the concept really so difficult?

 

[nugo]

Hi Friends!

I like to explore and compare different sources and that I found, is "Grumman Aerospace Corp., Grumman Design 698, PDR No. 698-5, January 1978."---PDR No.698 aka Design(Model) 698, ""Future Naval Tactical Attack Aircraft (post) 1985" Grumman Aerospace Corporation, Report PDR-516-1, Vol.2, June 1971"---PDR-516---aka Design(Model) 516, Grumman Design 378B, Grumman Aircraft Engineering Corporation, ASR 378B, December 1965---ASR 378B aka Design(Model) 378B and etc.

And so, PDR and ASR---aka Design (Model), and so you can find in various sources project designation.

Source: http://books.google.com

and more:

Design 279---Apollo proposal.
Design 636---NASA/HiMAT proposal.

 

[Stargazer]

I tend to do pretty much the same as you. What is G-378B, anyway?

 

[hesham]

Hi,

G-159 & G-164 well known aircraft
G-191 Albatross for Germany
G-211 UF-2
G-231 Albatross for Canada
G-234 UF-2G
G-262 UF-2S
G-251 Albatross for Norway
G-270 UF-2G
G-288 UF-2G
G-300 fighter
G-305 four engined flying boat,developed from Albatross
G-310 fighter
G-315 Albatross for Chile
G-333 ,, ,, Argentina
G-340 ,, ,, ,,
G-341 ,, ,, Peru
G-342 ,, ,, Spain
G-426 TC-4 transport
G-431 recce
G-550 orbiter (not sure)
G-518 orbiter
G-607 fighter
G-619 orbiter
G-623 V/STOL fighter
G-698 well known
G-712 X-29
G-754 UAV
G-755 FAAV
G-870 VTOL fighter

The source for many projects is;

http://www.uswarplanes.net/sa16.html

 

[Stargazer]

I have one conflicting number: the UF-2 version for Norway was G-244, not G-251.
G-251 was an ASW version of Canada's CSR-110 (G-231), which also entered service with USCG as SHU-16B.

Missing (or incomplete) from your list:

G-215 ASW version of UF-2 Albatross for Greece
G-226 version of SA-16B Albatross for Mercury capsule retrieval
G-231 CSR-110 Albatross SAR version for Canada, also used as ASW aircraft for USCG
G-235 Gadfly tilt-wing VTOL aircraft project for U.S. Army (2- or 4-engined)
G-244 projected export version of UF-2 Albatross for Norway (see above)
G-273 TFX project
G-279 Apollo proposal
G-283 SOR-/GOR-183 proposal
G-303 series of TFX / VF(A)X Navy Fighter/Attack projects >> F-14 Tomcat
G-305 proposed 4-engined turboprop ASW flying-boat (1961), apparently developed from G-132
G-344 Lunar Logistics System
G-399 F-15 contender
G-426 TC-4C Academe (U.S. Navy)
G-429 KA-6D Intruder
G-431 RF-111B projected reconnaissance version
G-467 A-6C Intruder (TRIM version)
G-484 JTDS project
G-516 Naval Tactical Attack Aircraft
G-518 early orbiter project ("H-33")
G-532 early orbiter project
G-607/A V/STOL SCS fighter project with JTF22A-30B lift/cruise turbofan (1971)
G-623 Remote Augmented Lift System (RALS) V/STOL fighter project
G-636 NASA/HiMAT proposal
G-680F slightly modified F-14A
G-680P EA-6B Prowler (ICAP-2)
G-704B OV-1D Mohawk (PAVE MOVER)
G-728 OV-1D developments
G-744 A-6F Intruder II
G-755 Future Attack Air Vehicle (FAAV)

 

[nugo]

Hi My Friends!

G-132---4 x P&W R-2800-49, Open Ocean Seaplane , competitor of GD/Convair P6Y and Martin Model 313 "P7M".
G-165---re-engined Traker, 2 x Lycoming T53, proposal.
G-142---COD Transport, version of Trader, proposal .
G-143---Bushfire, BDM for Martin XP6M-2, proposal.
G-296B---Manned Lunar Roving Vehicle proposal.
G-300---FX proposal.
G-310---F-111B.
G-356A---Space Station study.
G-359---GV-1, space vuhicle, proposal.
G-378B---Apollo LM.
G-486C---STOL transport, 90 seat, proposal.
G-487C---version of Shine Meiwa, proposal.
G-612(G-159N)---QUESTOL proposal.
G-674---Nuttraker, proposal.
G-711---2 x Turboprop engine, type as the G-111, proposal.
G-730---VTX-TS , Grumman-Beech proposal.

 

[Stargazer]

Hi Nugo! Thanks for replacing the "no details" of my list with substantial descriptions!

I still have a G-137 that is undocumented. Any idea?

Also, isn't the spelling wrong on G-674? There was a Nutcracker, NOT a Nuttraker! A fuselage folding in flight is wacky enough, but I can't even begin to imagine a radome-carrying aircraft folding in two in flight! LOL

 

[nugo]

Hi All!

Nuttraker---mistake, yes correct---Nutcracker (G-674).

G-613---Lightweight fighter, single seat and single engined aircraft, canard-type, proposal.

 

[RyanC]

Grumman Aircraft Data From 1930; Grumman Historical Office, June 1993 which I found at NNHC gives the F-111B as G-273.

 

[Stargazer]

I have the G-273 and the G-310 both as "TFX projects". I figure your source is reliable enough (!) and so G-273 it must be. Besides, the G-310 is posterior to the F-14 Tomcat (G-303) which indicates it was probably a spin-off of the F-111 but not the original program.

 

[RyanC]

Actually, Grumman Aircraft Data From 1930 -- by the Grumman Historical Office, June 1993 which I found at the NHHC files has totally different lists.

FOREWORD

In 1967 Grant Daly published a compendium of Grumman aircraft statistics entitled Grumman Airplane Data (1930-1967). It contained a wealth of information and was a monumental task -- particularly working without the aid of a computer.

During the past 25 years various attempts have been made to bring the work up-to-date and to correct several errors in the original copy. That it is only now being republished will be some indication of the scope of the task.

The final rework and painstaking wrap-up of the document must be credited to Roger Seybel. Roger spent countless hours, mostly as a volunteer to the Grumman History Center, writing and verifying information with original sources. Without his persistence, you would probably not be reading this today.

Credit must be given to many - but, especially, former Grumman historians Andre Hubbard and Herman "Schoney" Schonenberg for their diligence in saving corrections to the original copy. William Barto and Peter Kirkup, assistant historians, also contributed significantly. Input was also provided by Joseph LeStrange, Joseph Lippert, Lynn McDonald, William Scarborough, Dave Seeman and Salvatore Vitale.

We know that someone will find an error in this copy. If so, please report same to the Grumman History Center at 516-575-2401. The material is now in a word processor; errors can be easily corrected in future editions.

Lois Lovisolo Grumman Historian

Revised July 1993

 

[RyanC]

More

 

[RyanC]

Last.

The reason A-10 and JSTAR are on it is because grumman helped remanufacture some A-10s and was involved in the JSTAR program.

 

[sferrin]

I have the G-273 and the G-310 both as "TFX projects". I figure your source is reliable enough (!) and so G-273 it must be. Besides, the G-310 is posterior to the F-14 Tomcat (G-303) which indicates it was probably a spin-off of the F-111 but not the original program.

FB-111 or FB-111H maybe? ???

 

[Stargazer]

Awesome! But you posted file #10 twice and missed out file #11...

 

[RyanC]

Whoops

 

[AeroFranz]

I'm going through boxes of old AvWeek, and I found these pictures. Thought the designation nuts would like it

I have the complete article, if anyone is interested in learning more about it.

 

[Stargazer]

Nice! This one's new to me. Funny that this model number comes right before the one for the X-29...

 

[nugo]

Hi All!

Design 130 (G-130)---Three jet engined medium-range transport.

 

[Steve Pace]

Additions/Corrections welcomed. -SP

Grumman Aircraft Engineering Corporation
1929 to 1994
(Northrop purchased Grumman in 1994 to create the Northrop Grumman Corporation)

Compiled by Steve Pace
Current as of January 12, 2011

Design Number, Designation, Comment

1, “A,” “A” Float
2, “B,” “B” Float
3,
4,
5, XFF-1
5, FF-1
5, FF-2
6, XSF-1
6, SF-1
7, XJF-1
-, GG-1
7, JF-1 Duck
8, XF2F-1
9, JF-2 Duck
10, JF-3 Duck
11, XF3F-1
11, F3F-1
12, proposed USAAC observation airplane based upon the SF-1; not proceeded with
13, XSF-2
14, XSBF-1
15, J2F-1 Duck
15, J2F-1A Duck
15, J2F-2 Duck
15, J2F-3 Duck
15, G-15
15, J2F-4 Duck
15, J2F-5 (OA-12 for USAAC)
16, XF4F-1 Wildcat
17, proposed single seat monoplane
18, XF4F-2 Wildcat
19, XF3F-2
19, F3F-2
19, XF3F-3
19, F3F-3
20, G-20
21, G-21 Goose
21A, (G-21A)
21B, G-21B
22, G-22 Gulfhawk II
23, G-23 Goblin
24, proposed advanced trainer with F3F wings
25, proposed high altitude USN fighter with two Allison V-1710 engines
26, XJ3F-1
27, proposed twin-engine two-place USN amphibian
28, no data
29, proposed two-place single engine pusher-type USN fighter with Allison V-1710 engine
30, proposed two-place single engine tractor-type USN fighter with Allison V-1710 engine
31, OA-9
32, G-32 Gulfhawk III
32, G-32A, the Red Ship
33, proposed XF4F-2 Wildcat with Wright R-2600 engine
34, XF5F-1 Skyrocket
35, proposed USN fighter with single Wright R-2600 engine
36, XF4F-3 Wildcat
36, F4F-3 Wildcat
36, XF4F-5 Wildcat
36, XF4F-4 Wildcat
36, G-36A Martlet I
36, XF4F-6 Wildcat
36, F4F-3A Wildcat/Martlet III
37, F3F-2 for export sale; none sold, none built
38, XJRF-1 Goose
38, JRF-1A Goose
38, JRF-1 Goose
38, JRF-4 Goose
38, JRF-5 Goose (OA-13B for U.S. Army)
38, JRF-6B Goose (OA-13B for U.S. Army)
39, JRF-2 Goose
39, JRF-3 Goose
40, XTBF-1 Avenger
40, TBF-1 Avenger/Tarpon
40, TBF-1C Avenger
40, XTBF-2
40, XTBF-3
41, proposed XF5F-1 for USAAC with conventional landing gear
42, proposed single engine utility amphibian; became the Columbia XJL-1
43, proposed XF4F-3 Wildcat for USAAC
44, G-44 Widgeon (OA-14 for USAAC)
45, proposed XF5F-1 for USAAC with tricycle landing gear; became the XP-50 Skyrocket
46, J4F-2 Widgeon/Gosling I
46, XP-50 Skyrocket
47, proposed patrol utility version of JRF Goose
48, proposed patrol utility amphibian
49, proposed escort fighter with two Wright R-2600 radial engines
50, XF6F-1 Hellcat
50, XF6F-2 Hellcat
50, XF6F-3 Hellcat
50, XF6F-4 Hellcat
50, F6F-3 Hellcat/Gannet I/Hellcat I
50, F6F-3N Hellcat/Hellcat N. F. I
50, F6F-3P Hellcat/Hellcat F. R. I
50, F6F-5 Hellcat/Hellcat II
50, F6F-5D Hellcat
50, F6F-5K Hellcat
50, F6F-5N Hellcat/ Hellcat N. F. II
50, F6F-5P Hellcat/Hellcat F. R. II
50, XF6F-6 Hellcat
51, XF7F-1 Tigercat
51, XP-65 (?)
51,
51,
51,
52, F4F-7 Wildcat
53, modified F4F-4 with full span duplex flaps
54,
55,
56,
57,
58A, G-58A Gulfhawk IV (F8F-2 Bearcat)
58A, G-58A Red Ship
59, proposed development of F6F Hellcat with a two-speed R-4360 piston engine
60, proposed development of F6F Hellcat with an R-4360 piston engine with a two-stage supercharger
61, proposed development of F6F Hellcat with an auxiliary General Electric turbojet engine
62, design study for a small carrier-based turbojet-powered fighter
63, G-63 Hepcat Kitten I
63A, G-63A Kitten I
64, XJR2F-1 Albatross
64, SA-16A (HU-16A) (LU-16C) Albatross
64, UF-1 (HU-16C) Albatross
64, UF-1G (HU-16C) Albatross
64, UF-1T (TU-16C)
65, G-65 Tadpole
66, XTSF-1; proposed version of F7F-2 Tigercat with bomb bay to carry a torpedo or extra fuel
67, proposed development of F7F-2 Tigercat with a General Electric I-20 turbojet engine aft of the R-2800 piston engine nacelles
68, proposed carrier-based fighter with a TG-100 turboprop engine
69, proposed R-2800-22 powered single seat attack airplane derived from the F6F Hellcat
70, XTB3F-1
70, XTB3F-1S “Fertile Myrtle,”
70, XTB3F-2S
71, proposed single seat single engine carrier-based Westinghouse J34 (Model 24C) turbojet powered day fighter; pre-design number 79 – not proceeded with
72, G-72 Kitten
73, G-73 Mallard
74, G-44A Widgeon
75, XF9F-1 tandem two seat carrier based night fighter powered by four General Electric J47 turbojet engines; not proceeded with
76, proposed high-altitude special purpose bomber
77, proposed swept-back winged research airplane
78, Towed Target Glider study
79, XF9F-2 Panther
79, XF9F-3 Panther
79, F9F-2 Panther
79, F9F-2D Panther
79, F9F-2P Panther
79, F9F-3 Panther
79, F9F-4 Panther
79, F9F-5 (DF-9E) Panther
79, F9F-5P Panther
80, high-speed transport airplane study based on F7F Tigercat
81, Kitten I fitted with ducted wing
82, AF-2S Guardian
82, AF-2W Guardian
82, AF-3S Guardian
83, XF10F-1 Jaguar
84, short take-off fighter study
85, classified bomber study
86, proposed carrier-based interceptor with a Westinghouse J40 turbojet engine and a Curtiss-Wright rocket motor
87, land based airplane study based on the JR2F design
88, proposed anti-submarine warfare (ASW) derivative of the UF-1
89, XS2F-1 Tracker
89, S2F-1 (S-2A, YS-2A, TS-2A, S-2B) Tracker
89, S2F-2 (S-2C) Tracker
90, no data
91, no data
92, no data
93, F9F-6 (F-9E, DF-9E, QF-9F, QF-9G) Cougar
93, F9F-6P Cougar
93, F9F-7 (F-9H) Cougar
94A, F9F-7 Cougar
95, no data
96, TF-1 (C-1A) Trader
97, no data
98, F11F-1 Tiger (first three designated F9F-9)
98, F11F-1 (YF-11A, F-11A) Tiger
98J, F11F-1F Super Tiger
99, F9F-8 (F-9J) Cougar
99, F9F-8B (YAF-9J, AF-9J) Cougar
99, F9F-8P (RF-9J) Cougar
100, no data
101, no data
102, no data
103, no data
104, no data
105, F9F-8T (TF-9J, YTF-9J) Cougar
106, proposed UF-2 development
107,
108,
109,
110,
111,
112,
113,
114,
115,
116,
117, WF-2 (E-1B) Tracer
118,
119,
120,
121, S2F-3 (S-2D) Tracker
121, S2F-3S (S-2E) Tracker
122, no data
123, W2F-1 (E-2A) Hawkeye
123, C-2A Greyhound
124, no data
125, TF-1Q (EC-1A) Trader
126,
127,
128, A2F-1 (A-6A) Intruder
128, A2F-1H (EA-6A) Intruder
128E, proposed Missileer Fleet Air Defense (FAD) airplane based upon Intruder
129,
130,
131,
132,
133,
134, YOA-1 Mohawk
164, G-164 Ag Cat
164, G-164A Super Ag Cat
191, UF-2 (HU-16D) Albatross
231, SA-16B (CRS-110) (LU-16C) Albatross
234, UF-2C (HU-16E) Albatross
234, UF-2G (HU-16E) Albatross
251, SA-16B ASW (HU-16B)
262, UF-2 (HU-16D) Albatross
303-60-1, VFX
303-60-2, VFX
303-60-3, VFX
303-60-4, VFX
303A, VFX pre 303B
303B, VFX pre 303C
303C, VFX pre 303D
303D, VFX pre 303E
303E, VFX F-14A Tomcat
303F,
303G,
310, F-111B TFX
426, TC-4C Gulfstream
431, projected RF-111B TFX; not proceeded with
698, proposed VSTOL airplane with two General Electric TF34-GE-100 turbofan engines; designed for U.S. Army and it was offered to the U.S. Navy as well
712, X-29A FSW ATD (2 built and flown) for DARPA/USAF/NASA evaluations
1159, G-1159 Gulfstream II

 

[Stargazer]

First set of additions/comments:

G-3 proposed twin-engined, parasol monoplane flying-boat for USCG
G-4 proposed observation amphibian for USAAC
G-15 also for J2F-2A (field-modified by USMC with increased ordnance)
G-17 proposed single seat monoplane naval fighter
G-20 "El Pato" for Argentina: export version of Duck with variable pitch propellers
G-21C Turbo Goose 1966 conversions
G-23 also Turkish GE-23, Spanish Delfin and Canadian Goblin, all built by Canadian Car & Foundry
G-45 I have this listed as the XP-50
G-45A proposed modification to USAAC Spec. and export version; tricycle u/c and two liquid-cooled XR-1820 ( P.S. ? ) 2,350 hp Wright Tornado
G-45B proposed modification to USAAC Specification featuring gull-wing, twin-boom tail, two liquid-cooled wright Tornado engines
G-45C fighter proposal with twin-boom tail, single liquid-cooled Wright Tornado engine mounted in pusher configuration
G-46 I have this listed as the XP-65
G-54 proposed development of the F6F with a laminar-flow wing of greater area
G-55 XTB2F-1 project; only full-scale mock-up built
G-56 proposed development of TBF-1 with an R-2800 engine and Martin dorsal turret
G-57 design study for Navy fighter powered by an R-2800 and a De Havilland H-1 turbojet
G-73T Turbo Mallard
G-74 proposed postwar development of G-44A Widgeon (and NOT the G-44A itself!)
G-90 study to replace AF-2S and AF-2W with single aircraft fitted with an APS-33 radar (for OS-117 specification)
G-91 proposed single-engined ASW aircraft (for OS-117 specification)
G-92 VTO fighter study (perhaps for OS-122?)
G-95 XWF-1 Tracker
G-97 proposed Navy fighter with a J57 turbojet

NOTE: the G-70 was called the Guardian.