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 |

(23) K&B Torpedo "23" .23 (17) Herkimer OK Cub "14" .14 (8) Cheminol O&R Marine .29 (25) K&B
Torpedo "35" .35 (2) Allyn Sea Fury Outboard .049

(5) Cameron L-19 .19 (12) Forster F-29 .29 (28) McCoy "9" Sportsman .09 (24) K&B Torpedo "29" .29
(7) Cheminol O&R "33" .33

(14) Henry Veco "35" .35 (13) Fox "19" .19 (4) Atwood Inboard Water-cooled .049 (1) Allyn Sky Fury
.049 (18) Herkimer OK Cub "19" .19 (19) Herkimer OK Cub "049" Diesel .049 (6) Cameron Marine "09" .09

(15) Herkimer OK Cub "049B" .049 (11) Cox Space Bug Jr. .049 (21) Holland Wasp .049 (10) Cox Thermal
Hopper .049 (16) Herkimer OK Cub "099" .099 (26) McCoy ".049" Diesel .049 (20) Herkimer OK Cub "075"
Diesel .075 (9) Cox space Bug .049 (3) Atwood Free Flight .049
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Posted November 16, 2013
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