Model Forum / Radio Controlled / Air Models / October 2005

If the GMS 76 and the TH 75 (both made by GMS) have the same
displacement, why does the GMS produce 2.5HP while the TH only 2.2HP?
One is ringed and the other is ABC, but that much difference?
Why do engine makers advertise horse power at these crazy high RPM's?

I have an interesting problem. I have Lanier Stinger 60 ARF with a Saito
80 in it. The engine will not turn max RPM with a full tank of gas on
the ground ( Throttle opens completely- No problem). After 2 to 3
minutes of flying the engines speeds up to max RPM  and then flies fine ...

I recall a few years ago someone posted a note with a neat single fuel
system for the twin star. Does anyone have this or maybe their own version.
My .25's suck those little 4 oz tanks dry in just over four minutes.
Thanks.

Great Planes has 2 Extras, one a Patty Wagstaff, and the other a Gene Soucy
model.  Both 1.60 ARF's.  The price between the two is fairly comparable,
the PW a little more expensive.  Someone at our field has the GS model, and
while it flies great, and he generally raves about it, ...

has anyone used this engine? any comments welcome good or bad this
engine seems to be overlooked by most     people tower has a good price
on them right now if they are worth the money
thanks

Does anybody have any information of a good website or retail stor
where i can purchase one? Ive looked everywhere
--
spankfest200

Has anyone of you used, see or tested one ?
They are so dirty cheap that i amlost willing to take the risk.
TM

Answer: www.wattflyer.com
Come visit, read the mission statement and see what the buzz is all
about.
http://www.wattflyer.com - Where electric flight fanatics can post,

just started dabbling with this stuff and want to know where to obtain a
small efficient , low-voltage motor for model flying aircraft. Name of a
manufacturer and/or UK retailer would be helpful. TIA.

Someone somewhere mentioned that single strand unbraided fishing leader
wire (50-pound) will make a good replacement for nicrome wire.  Anyone
have any brand names that I can look for, especially at Wal-Mart?
Also, on the topic of foam cutting, my nicrome wire seems to develop a

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What is your preferred ratio of rubbing alcohol to epoxy when mixing them to
fuel-proof a fuel-tank compartment?

freshly lurking around here,
i was soon curious about http://www.spadtothebone.com
all of these plans call for "coroplast"
but i have not the least idea what this might be.

Hi, who supplies Hacker  brushless motors in yhe UK ?? Cheers

Suppose you have (like me) a 700 mAh 7.4V Li-poly battery, rated at 10C.
That means, I believe, that it's OK to draw 10 * 700mA = 7A from it.
(The rating should be 10C/h to make the units work out right, but what
the hell...). Now you've got a J250 motor, and between them is an