CA cements and solvents - 2012/08

Q552: I find that my CA cements tend to thicken and become
unusable with time. I tried adding some CA solvent to the
cement and it came back to its original consistency. It seems to
work okay, but I’m afraid to put it to the test and actually use
it on my airplanes. Do you know if this restored cement can
be used reliably, and if not, what is the best way to keep CA
cement over a long period of time so it will not thicken?

Building From Scratch

WE ARE GETTING close to a wrap for
my portion of the “From the Ground Up”
series. In the past eight months you have
learned about Radio Control (RC) systems,
electric-power systems, assembling an
Almost Ready-to-Fly (ARF) model, flying
that model, and last month you learned the
A to Z of batteries

Selecting Electric Power Systems: Part 2 - 2005/04

IT’S TIME TO put all you’ve learned together with several examples
of motor selections. Let’s make a glow kit or glow ARF electricpowered.
Many popular glow-engine-powered full kits and ARF “kits” on
the market can easily be constructed and/or assembled from scratch
with electric power in mind. One such model is Tower Hobbies’
“Perfect Trainer-20,” or “PT-20” as it is generally called. It is intended
for .15-.25 cu. in. glow engines. The PT-20 has 515 square inches of
wing area, can weigh 3.5-4.5 pounds, and has a wing-loading range of
16-20 ounces/square foot (sq. ft.).

Frequently Asked Questions - 2009/06

Transmitter cases
PLEASE WRITE
in with your
questions, since that
is the only way we
can keep this
column format
going. When
referring to
published Qs and As
(for follow-ups),
always provide the number as a reference.
References to addresses and Web sites
are now placed in a group, separate from the
text, at the end of this column under
“Sources.”

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