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Kirt Blattenberger Carpe Diem! (Seize the Day!) Even during the busiest times of my life I have endeavored to maintain some form of model building activity. This site has been created to help me chronicle my journey through a lifelong involvement in model aviation, which all began in Mayo, MD ...
Copyright 1996 - 2026
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Academy of Model Aeronautics (AMA) Plans Service - Airplanes and Rockets

Engine Roundup
1955 Air Trails Annual Edition

Annual Edition 1955 Air Trails Cover - Airplanes and Rockets

Table of Contents

These pages from vintage modeling magazines like Flying Aces, Air Trails, American Modeler, American Aircraft Modeler, Young Men, Flying Models, Model Airplane News, R/C Modeler, captured the era. All copyrights acknowledged.

From the 1955 Annual edition of Air Trails: "Here is one of the most informative collections to date of engine drawings and data. The information in the chart has been furnished to us by the manufacturer. Each engine 3-view is full size and is keyed by a number to the chart. You are invited to test your skill by identifying these motors before checking chart." A total of 68 engines are included from Allyn, Atwood, Cameron, Cheminol, Cox, Forster, Fox, Henry, Herkimer, Holland, K&B, and McCoy include nitro and diesel power for aircraft, cars, and boats. I measured one engine on each page and indicated its full-scale size so you can use it to scale any of the others on the page.

Engine Roundup

Click on the images for larger versions.

1955 Model Engine Specifications Chart

(27) McCoy "9" Diesel .09

(25) K&B Torpedo "35" .35

(2) Allyn Sea Fury Outboard .049

(17) Herkimer OK Cub "14" .14

(8) Cheminol O&R Marine .29

(23) K&B Torpedo "23" .23

(7) Cheminol O&R "33" .33

(24) K&B Torpedo "29" .29

(28) McCoy "9" Sportsman .09

(5) Cameron L-19 .19

(22) K&B Torpedo "15" .15

(13) Fox "19" .19

(4) Atwood Inboard Water-cooled .049

(14) Henry Veco "35" .35

(6) Cameron Marine "09" .09

(19) Herkimer OK Cub "049" Diesel .049

(18) Herkimer OK Cub "19" .19

(1) Allyn Sky Fury .049

(20) Herkimer OK Cub "075" Diesel .075

(3) Atwood Free Flight .049

(9) Cox space Bug .049

(26) McCoy ".049" Diesel .049

(21) Holland Wasp .049

(16) Herkimer OK Cub "099" .099

(11) Cox Space Bug Jr. .049

(15) Herkimer OK Cub "049B" .049

(10) Cox Thermal Hopper .049