Aeromaster Too (oz1972)

About this Plan

Aeromaster Too. This is a supplemental plan to build enlarged swept wings for the Aeromaster (oz1971) design, taking the wingspan up from 48 in to 52-1/2 in. This plan shows only the wings.

Mixing and matching between the two plans allows three different wing configurations for the Aeromaster. See pic 003.

Update 05/10/2012: Thanks to darkdog for pointing this out. Have replaced this plan with a new version which is scaled at full-size, courtesy of pd1.

Update 20/04/2018: Added kit review from RCM&E, May 1974, thanks to RFJ.

Update 03/12/2020: Added kit review from RCM, May 1978, thanks to RFJ.

Quote: "RCM Product Test: Aeromaster Too from Andrews Model Aircraft.

The Aeromaster 'Too', manufactured by Andrews Aircraft Model Co, and designed by Lou Andrews, is a general sport biplane. The Aeromaster "Too" kit comes with plans that allow for a choice of three different wing configurations for this sporty little airplane. Version No.1 is a 48 in swept top wing, and a 48 in straight bottom wing. Version No.2 is for a 52-1/2 in swept top wing and a 48 in straight bottom wing. Version No.3 offers a 52-1/2 in swept top wing and a 52-1/2 in swept bottom wing. We opted for Version No.2 for eye appeal, and probably the most realistic appearing, even though the model isn't intended as scale class.

Opening a kit for the first time is always an experience - sometimes a disappointment - but, generally speaking, it's an indication of how well the thing is going to go together and how much fun (or how much trouble) it's going to be to move it from plans to the flying field. Happily, the Aeromaster Too looked good in kit form and, as we shall see, proved itself in the flying department. The first thing that caught our eye was a sheet of 57 photos illustrating step-by-step construction. These photos are in addition to the two sheets of plans, and really are a pleasure to look at, usc, and refer to, during building. Even before starting your project, the photos are good to study and allow for a better understanding of what is ahead.

The Aeromaster Too makes use of 'box-lok' construction and proved to be simplicity itself when working on the fuselage. The quality of the ply and balsa was very good indeed, as was all pre-shaped parts. The landing gear wires were pre-bent, and proved to be right on, with very little attention required of them when final assembly came up. We found, also, that by following the plans exactly (something we don't always do - usually to our regret) the wing saddle for the bottom wing, and the saddle for the horizontal stabilizer, gave us perfect alignment in these two critical areas.

Additions and modifications were few and were as follows: We added a tad more balsa blocks to the nose, installed the engine with a 2 in Fox aluminum spinner, and shaped the front of the plane to what we felt was a pleasing configuration. You can do the same. Covering was done using World Engine's heavy duty silk, Randolph's clear nitrate and clear butyrate dope, Sig's and Randolph's colored butyrate dope. Sherwin Williams #R7K-203 or #R7K-6231 acrylic lacquer thinner was used. Both are top of the line, slow drying, high gloss, and blush resistant. For the finishing touch, we used a heavy duty silicone car wax and cleaner.

Lou Andrews kits produce planes that will make you the envy of your club, group, family, and an occasional passer-by, as we found out when the big day arrived. To be honest, we had so much fun building, it was almost anti-climatic to get on with the flying. But get on with it we did, and it was nothing but fun.

Ailerons and rudder trim were left neutral, and approximately one or two degrees of down elevator were used for the initial flight. A short run brought the tail up in very scale-like performance, and about the same time the rudder control began to take effect. After that, it was back on the stick, and we had hold of one of the most responsive flying general sport models it has been our pleasure to fly in a long, long time. We flew with all the aileron and rudder throw we could get, with just a fair minimum throw on the elevator. With this much control, when you move the stick, things happen - now. Ever try a snap roll at full throttle? If the idea has some appeal to you, rest assured that the Aeromaster Too is the plane that can do it. Try it - you'll like it."

Supplementary file notes

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