Waco E (oz3358)

 

Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - plan thumbnail

About this Plan

Waco Model E. Rubber scale model biplane. Scale is 1/20.

Quote: "One of the Most Realistic and Finest Flying Scale Models Ever Designed - A Replica of a Famous Plane. Waco E, by Earl Stahl.

WACO planes are known throughout the world for their fine performance, stamina and distinctive appearance. Newest member of the Waco family of planes is the model 'E', a five passenger biplane which is rapidly attaining a full measure of popularity on the skyways of the nation.

Featured in its design is a radical new engine cowling which is an integral part of the fuselage. This eliminates the usual break between the cowling and body and adds to the plane's beauty and performance. A small flap at the bottom of the cowl permits the pilot to maintain any desired engine temperature.

The Waco 'E' is available powered with several engines of varying power. The Jacobs engine of 330 horse-power affords a cruising speed of 177 mph and a rate of climb of 1,170 ft per min. Fuel stored in synthetic rubber fuel tanks is sufficient for a non-stop flight of 1,100 miles. Electrically operated flaps are employed to slow the speed of landings.

Structurally and proportionally the Waco 'E' is an excellent design for a flying scale model. The original proved to be a fine performer; it takes to the air in steep, thrilling spirals and makes flights of over 50 seconds. This model can really 'take it' too, for the biplane type of construction is very rugged. Since the size is rather small, it is important that the weight of the various parts be kept at a minimum. The manner of construction is entirely conventional, so little difficulty should be experienced as your Waco takes form.

Fuselage. A simple rectangular frame is the backbone of the fuselage structure; it is shown lightly shaded on the plan. Work directly over tracings of the plan and build two side frames, one over the other to make certain that they are identical. Medium grade wood should be used; the longerons are 3/32 square and the uprights are 1/16 x 3/32. Stick pins on both sides of the longerons and crosspieces to hold them in place until the cement is dry.

Separate the frames with a thin razor blade, should they stick together, then invert them over the top view. Cement 1/16 x 3/32 crosspieces into position at the center of the body and when dry draw the backs together and place the remaining cross-pieces. It will be necessary to crack the longerons in order that they can be pulled into position at the front. Check continually to assure a correctly aligned structure. Because of the rather simple structure of the prototype, few fuselage formers are required..."

Update 08/08/2018: Added article.

Update 21/09/2020: Replaced this plan with a clearer copy, thanks to theshadow.

Quote: "Model Airplane News, July 1940. Retraced in 1970 by C Colon, especially for John Pond."

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Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - model pic

Datafile:

ScaleType:
  • Waco_E_series | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz3358) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.


    Notes:
    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Waco_E_series
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - pic 003.jpg
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Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - pic 004.jpg
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Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - pic 005.jpg
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Waco E (oz3358) by Earl Stahl from Model Airplane News 1940 - pic 006.jpg
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User comments

The photo of the completed model was found here - http://nasascale.wordpress.com/2012/02/11/waco-sre-2/ - and is by Mike Welshans who says quote: "My Waco SRE is built from Earl Stahl plans. Span is 21 inches. The weight is 47 grams. Prop is a carved 8 inch free wheeler. The model is for either AMA Rubber Scale or FAC Rubber Scale."
SteveWMD - 21/09/2012
Added 3 super pics of the finished model, thanks to MikeKelly [004-006].
Mary - 07/08/2018
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Scaling

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