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Cox Engine of The Month
November-2024
Kim's

"A Space Bug Jr. pulls the Q-Tee up high over Sky Tiger Field"



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Post  Kim Fri Jul 13, 2012 12:22 pm

Around the time of my 14th birthday, I converted $25 of hard-earned lawnmowing money into the mail order purchase of my very first Radio "Control" set. I put "Control" in parenthesis since, unbeknown to me at the time, I would spend as much time chasing my beloved model as actually "controlling" it!

My Uncle Wayne helped me pick out this Citizenship Escapement Set from Stanton Hobby...one of the heavy-hitter hobby stores back in the 60's. You veterans probably understand the application of the "escapement"...I came to understand the "escape" part of it as it applied to my airplane anyway.

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When the box arrived, I was sure that they'd left something out. No servo, ready to push or pull the rudder, just a weird frame with guts and wires and hooks sticking out of it!

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I followed the directions, building a Sterling "Minnie Mambo" around the primitive little radio. While it may be hard to believe, I actually pulled off a few controlled flights, mixed in with the ones where I put down the transmitter, and took off in hot pursuit of my fleeing plane.

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Over the years, the flight pack was disassembled, and with no schematic, there was no practical way for me to get it wired back together. Recently though, I was able to acquire a NIB escapement pack of the exact type I flew so long ago, and hope to revive the excitement of chasing a rapidly disappearing model airplane!

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There will be more posts as I work through this deal !!!
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Post  lousyflyer Fri Jul 13, 2012 12:45 pm

You are a glutton for punishment.
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Post  SuperDave Fri Jul 13, 2012 12:56 pm

Kim:

If you gain pleasure from dabbling with old RC equipment, by ALL means do it!

Personally I'll stick with my 2.4 gig setups. Haven't had a plane "escape" on me yet. Very Happy
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Post  lousyflyer Fri Jul 13, 2012 1:03 pm

Those old escapement radio systems should come with a dirt bike to help find the plane.
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Post  microflitedude Fri Jul 13, 2012 1:06 pm

I've had at least 3 planes fly off (some .40 size, it was hard to watch) on my 2.4 JR Dx6i.

Maybe I should try your radio. lol!
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Post  Cribbs74 Fri Jul 13, 2012 2:49 pm

Weight complete with batteries only 4 1/2 ounces!

lol!

I suppose that was pretty high tech years ago. Might be time to pick up a new pair of sneakers Kim.
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Post  Kim Fri Jul 13, 2012 3:17 pm

cribbs74 wrote:Weight complete with batteries only 4 1/2 ounces!

lol!

I suppose that was pretty high tech years ago. Might be time to pick up a new pair of sneakers Kim.

Yep! A little "hoofing down the road" sure won't hurt me !!!

That's the draw of this for me...today, radio control is nothing but a function of the wallet. You plunk down your money and play. Everyone is different, but for me, this gets a little boring. In 1969, to have a control surface move on command, with no wires involved, was pure magic !! And, to have it do this in response to the careful set-up (by a squirrely 14 year-old) it took to make the cranky thing work, there was a lot of pride in that too!

I remember vividly the first launch of the Minnie. When I pushed the signal switch, and that little plane broke into a right turn...well, like I said, it was just magic. Over time, I logged enough successful flights to teach myself how to control the plane with no elevator. It was great when it worked !

Now, if I can get the thing to respond even halfway dependably, I figure on treating it like a free flight model with measured fuel, flying only in dead calm evening air.

We'll see!

Also Ron! Your RR-1 is greater hands than ours now! Namely, the USPS !!! Please let me know ASAP after that thing shows up !!!

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Post  Ken Cook Fri Jul 13, 2012 3:38 pm

Kim, my father gave me that same escapement. I'm quite surprised how well it really does work. Up in the air is probably another story and I've never tried to fly with it. I can say though I can pull it out 30-40 years later and it will still work. All the high tech electronics and a rubber band is the key element. Ken
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Post  andrew Fri Jul 13, 2012 4:18 pm

I had a Citizenship TX, receiver and separate escapement --- I spent more time chasing than steering. Couldn't make too many turns or you would run out of rubber before you ran out of fuel. However, with an apparent range of about 50', the chase was usually on.

I have been thinking about building the electronics to slave an escapement to one of my current receivers. You would get the reliability of the radio and the feel of old style RC.
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Post  John Goddard Fri Jul 13, 2012 4:33 pm

Lovin It.
Very Happy
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Post  Kim Fri Jul 13, 2012 4:33 pm

I had a tough time letting go of Single-Channel Planes, and am still fascinated by them. In the early 1990's I built this Co2-Powered "Prairie Bird", and flew it with a handbuilt albin receiver and magnetic actuator, made by Fritz Meuller. A ton of fun on a calm evening at the ball field!

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I've got some old VHS video of this that I'm eventually gonna convert and post.
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Post  John Goddard Fri Jul 13, 2012 4:35 pm

Is that a carved Prop Kim?
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Post  Kim Fri Jul 13, 2012 4:50 pm

andrew wrote:I had a Citizenship TX, receiver and separate escapement --- I spent more time chasing than steering. Couldn't make too many turns or you would run out of rubber before you ran out of fuel. However, with an apparent range of about 50', the chase was usually on.

I have been thinking about building the electronics to slave an escapement to one of my current receivers. You would get the reliability of the radio and the feel of old style RC.

Some of the guys over at the Vintage Radio Control Society mount servos vertically so that the arms or wheel are on a vertical axis. They then install a pin in the pushrod hole, and set them up with a torque rod to the rudder in order to simulate an escapement.

Yeah, the whole rubber band winding deal was a lesson in mechanical finesse for me: Wind it too loose and, of course, you ran out of input during the flight (not that likely when using a 2 minute running Babe Bee!). Wind it too tight, though, and it'd either lock up and not respond at all, or snap like a mousetrap, with the stop arm busting by the catch on the relay, and making the Minnie cycle it's rudder like a terrified goldfish until the winds ran down to an acceptable number!

This can be heavy stuff for a teenage to grasp !
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Post  Kim Fri Jul 13, 2012 5:21 pm

John Goddard wrote:Is that a carved Prop Kim?

Nope...it was a thin plastic prop that came with the little Campus Motor. I think the Williams Bros. company made them. I also flew it with a cut-down "Sleek Streek" prop, but thought this one was the best.
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