Throughout history, various mechanical marvels have fallen by the wayside, the worthiness of some failing to become even a footnote. Some machines were popular at first but were doomed to obsolescence. Others never found a market. Some were too technologically advanced to be built, and some were just bad ideas. These marvels were all unique and hold a special place in the history and evolution of technology. These machines deserve to be remembered, and it is the quest of Old Machine Press to inspire new memories of these old machines.
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Aircraft Engines
- Allison V-3420 24-Cylinder Aircraft Engine
- Allison X-4520 24-Cylinder Aircraft Engine
- Antoinette (Levavasseur) Aircraft Engines
- Argus As 5 Aircraft Engine
- Armstrong Siddeley ‘Dog’ Aircraft Engines
- Arsenal 24H and 24H Tandem Aircraft Engines
- Beardmore Cyclone, Typhoon, and Simoon Aircraft Engines
- Beardmore Tornado Diesel Airship Engine
- Bréguet-Bugatti 32A and 32B Quadimoteurs
- Clerget 16 H Diesel Aircraft Engine
- Curtiss H-1640 Chieftain Aircraft Engine
- Daimler-Benz DB 602 (LOF-6) V-16 Diesel Airship Engine
- Deissner ‘Paradox’ Rotary Aircraft Engine
- Deschamps V 3050 Diesel Aircraft Engine
- Dobrynin M-250, VD-3TK, and VD-4K Aircraft Engines
- Duesenberg Aircraft Engines: A Technical Description
- FIAT A.38, A.40, and A.44 Aircraft Engines
- FIAT AS.6 Aircraft Engine (for the MC.72)
- FIAT AS.8 Engine and CMASA CS.15 Racer
- FKFS Gruppen-Flugmotor A, C, and D
- General Airmotors / Moore Three Valve Aircraft Engine
- Hispano-Suiza 18R and 18Sb Aircraft Engines
- Hispano-Suiza 24Y (Type 82 and Type 90) Aircraft Engine
- Hispano-Suiza 24Z (Type 95) Aircraft Engine
- Inside the Cylinder of a Diesel Engine – by Harry Ricardo
- Isotta Fraschini Zeta X-24 Aircraft Engine
- Junkers Jumo 223 Aircraft Engine
- Junkers Jumo 224 Aircraft Engine
- Klöckner-Humboldt-Deutz (KHD) Dz 700, Dz 710, and Dz 720
- Lancia V-12 Aircraft Engine
- Marchetti Cam-Action Engines
- Menasco 2-544 Unitwin Aircraft Engine
- Napier Cub (E66) – First 1,000 hp Aircraft Engine
- One Second in the Life of a Racer – by Tom Fey
- One Second on the Course with Dreadnought – by Tom Fey
- R.E.P. Fan (Semi-Radial) Aircraft Engines
- Reggiane Re 101 to Re 105 Aircraft Engines
- Roberts Motor Company Aircraft Engines
- Rolls-Royce Exe (Boreas) and Pennine Aircraft Engines
- Sunbeam Sikh I, II, and III Aircraft Engines
- Tips Aero Motor Rotary Aircraft Engines
- Wright Aeronautical R-4090 Cyclone 22 Aircraft Engine
- Yakovlev M-501 and Zvezda M503 and M504 Diesel Engines
Aircraft
- Alcor Duo-4, Duo-6, and C-6-1 Transports
- Arsenal VB 10 Heavy Interceptor Fighter
- Beech Aircraft Company XA-38 Grizzly
- Bellanca 28-92 Trimotor
- Bolkhovitinov S-2M-103 Sparka
- Bugatti Model 100P Racer
- Coandă 1911 Monoplane
- Commonwealth Aircraft Corporation CA-14/A Fighter
- Commonwealth Aircraft Corporation CA-15 ‘Kangaroo’
- CTA / ITA Heliconair HC-I Convertiplano
- Curtiss XF6C-6 Page Navy Racer
- Curtiss XP-40Q Fighter
- De Havilland DH.91 Albatross Transport
- Dekker-Fokker C.I Rotary Propellers
- Deperdussin-de Feure Model 2
- Douglas XA-26D and XA-26E Invaders
- FIAT AS.8 Engine and CMASA CS.15 Racer
- FIAT CR.42 DB Fighter
- FMA IAe 30 Ñancú
- Fokker F.XX Zilvermeeuw Transport
- Ford 15P Personal Aircraft
- Hawker Fury I (Sabre-Powered) Fighter
- Heinkel He 119
- Hughes D-2
- Kawasaki Ki-64 Experimental Fighter
- Kawasaki Ki-78 (KEN III)
- Koolhoven FK.55 Fighter
- Martin-Baker MB2 Fighter
- Martin-Baker MB3 Fighter
- Martin-Baker MB5 Fighter
- McDonnell Aircraft Corporation Model 1
- Mitsubishi Ki-83 Heavy Fighter
- Myasishchev M-50 / M-52 Bounder
- Napier-Heston Racer
- Navy-Wright NW-1 and NW-2 Racers
- North American Aviation NA-98X Super Strafer
- Northrop N-23 Pioneer and N-32 / YC-125 Raider
- Pander S.4 Postjager Trimotor Mailplane
- Piaggio P.16 Bomber
- Piaggio P.23M Transport Prototype
- Republic XP-47J Superbolt Fighter
- Republic XP-69 Fighter
- Rumpler-Loutzkoy-Taube Aircraft
- Savoia-Marchetti S.64 and S.64 bis
- Savoia-Marchetti S.65 Schneider Racer
- Short S.14 Sarafand Flying Boat
- Short Swallow / Silver Streak
- Skoda-Kauba V4, SK 257, and V5
- Sud-Est (SNCASE) SE 580 Fighter
- Sud-Ouest (SNCASO) SO.8000 Narval
- Vought V-173 Flying Pancake (Zimmer’s Skimmer)
- Vought XF5U Flying Flapjack
- Wedell-Williams Model 45 Racer
- Yakovlev Yak-3 VK-108 Fighter
- Yokosuka (Kugisho) R2Y1 Keiun
Air Racing and Records
- Air Racing Was Like This – by Roscoe Turner
- Bellanca 28-92 Trimotor
- Bugatti Model 100P Racer
- Curtiss XF6C-6 Page Navy Racer
- FIAT AS.6 Aircraft Engine (for the MC.72)
- FIAT AS.8 Engine and CMASA CS.15 Racer
- Hispano-Suiza 18R and 18Sb Aircraft Engines
- Kawasaki Ki-78 (KEN III)
- Napier-Heston Racer
- Navy-Wright NW-1 and NW-2 Racers
- One Second in the Life of a Racer – by Tom Fey
- One Second on the Course with Dreadnought – by Tom Fey
- Pander S.4 Postjager Trimotor Mailplane
- Savoia-Marchetti S.64 and S.64 bis
- Savoia-Marchetti S.65 Schneider Racer
- Wedell-Williams Model 45 Racer
Rotorcraft
- Brennan Helicopter
- CTA / ITA Heliconair HC-I Convertiplano
- Dorand Gyroplane G.20 (G.II)
- Papin-Rouilly Gyroptere (Gyropter)
- Petróczy-Kármán-Žurovec PKZ 2 Helicopter
- Sikorsky S-56 (CH-37 Mojave/Deuce) Helicopter
Automotive
- Alkett VsKfz 617 / NK-101 Minenräumer
- Archdeacon (Buchet) Aéro-motocyclette
- Brayton Ready Motor Hydrocarbon Engine
- Christie Inline Engine Race Cars
- Christie V-4 Engine 1906 Racer
- Christie V-4 Engine 1907 Racer
- Christie V-4 Engine 1909 Racer
- Chrysler A57 Multibank Tank Engine
- Djelmo Land Speed Record Car
- Duesenberg-Milton Land Speed Record Car
- Inside the Cylinder of a Diesel Engine – by Harry Ricardo
- Jenkins Duesenberg Special / Mormon Meteor II
- Jenkins Mormon Meteor III
- Lockhart Stutz Black Hawk LSR Car
- Mercedes-Benz T80 (Type 80) LSR Car
- Mercedes-Benz W154 Record Car
- Michel Opposed-Piston Diesel Engines
- Monaco Trossi 1935 Grand Prix Racer
- Perrier-Cadillac 41-75 Tank Engine
Marine
- Brayton Ready Motor Hydrocarbon Engine
- Duesenberg 12-Cylinder Marine Engine and the Disturber IV
- Duesenberg W-24 Marine Engine
- General Motors / Electro-Motive 16-184 Diesel Engine
- Idroscivolanti and the Raid Pavia-Venezia
- Mercedes-Benz 500 Series Diesel Marine Engines
- Michel Opposed-Piston Diesel Engines
- Miller 1,113 cu in V-16 Marine Engine
- Yakovlev M-501 and Zvezda M503 and M504 Diesel Engines
Rail
- Bennie Railplane
- Hispano-Suiza Type 86 Railcar Engine
- Krupp 80 cm Kanone Schwerer Gustav (Dora) Railway Gun
- New York Central M-497 Black Beetle
- Union Pacific 4-8-8-4 Big Boy Locomotive
Diesel Engines
- Beardmore Cyclone, Typhoon, and Simoon Aircraft Engines
- Beardmore Tornado Diesel Airship Engine
- Clerget 16 H Diesel Aircraft Engine
- Daimler-Benz DB 602 (LOF-6) V-16 Diesel Airship Engine
- Deschamps V 3050 Diesel Aircraft Engine
- Fairbanks Morse Model 32 Stationary Engine
- General Motors / Electro-Motive 16-184 Diesel Engine
- Inside the Cylinder of a Diesel Engine – by Harry Ricardo
- Junkers Jumo 223 Aircraft Engine
- Junkers Jumo 224 Aircraft Engine
- Klöckner-Humboldt-Deutz (KHD) Dz 700, Dz 710, and Dz 720
- Mercedes-Benz 500 Series Diesel Marine Engines
- Michel Opposed-Piston Diesel Engines
- Nordberg Radial Stationary Engine
- Yakovlev M-501 and Zvezda M503 and M504 Diesel Engines
Stationary Engines
- Brayton Ready Motor Hydrocarbon Engine
- Fairbanks Morse Model 32 Stationary Engine
- Michel Opposed-Piston Diesel Engines
- Nordberg Radial Stationary Engine
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