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25 Years Ago in MA:
July
1983
On the cover, Lyn Dee Ryan is shown
holding the Monarch Butterfly RC Slope
Soarer. John J. Dyal designed the colorful
model, and his article in this issue details
the dimensions and materials required to
build your own.
This issue contains two RC building
projects. Frank Baker's true-to-scale DH 98
Mosquito (MA plans 412) is powered by two
.10 engines. The 1/12-scale model has a
finished weight of 4.5 pounds and spans 54
inches. Don Srull's 64-inch-span Electric
Sparky (MA plans 414) is an Old-Timer that
Ed Lidgard designed. This electric version
is a superb sport model with smooth flight
performance, hands-off stability, and
respectable thermal-soaring capability.
This month's CL building project is Gene
Nelson's Bonanza Profile (MA plans 413).
Powered by a .25 engine, the model has a
generous wing with coupled flaps and
elevator for great maneuvers. The V-tail
gives this airplane a distinctive appearance
with no discernable loss of control.
John R. Walker has designed this month's
22-inch-wingspan FF project for CO2 power.
The all-balsa pusher's full-size plans are
published in the magazine. Its realistic
looks come from its being patterned after
what may be a future full-scale airplane.
Other interesting articles this month
include a pictorial walk-through of the Weak
Signals' show in Toledo, Ohio, and a review
of Bill Winter's new book, The World of
Model Airplanes. Luther Hux takes us across
the country to see several of the 26 AMA Air
Show Teams. The program is in its 10th year
and is going strong.
For the builders, L.F. Randolph has
written an article about how to make round
LEs for wings. He explains how to employ a
sanding technique to make round dowels from
square balsa sticks.
New products this month include a
twin-ducted-fan F-4 Phantom from Jet Model
Products. The deluxe kit is $1,095 and the
semikit is $330. Magnum announces a new
four-stroke .91 engine that will turn a 16 x
5 propeller at 7,300 rpm using 15% nitro,
and it sells for $250. MA
Rich LaGrange
AMA Librarian
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