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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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CEF Traveling Engine

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Post  Kim Sun Sep 25, 2011 7:10 am

My first R/C Model was a Sterling "Minnie Mambo" controlled (occasionally) by a Citizenship Escapement System, and ordered for me by my Uncle Wayne from the Stanton Hobby Store for princely sum of $25 plus postage. The total package represented a LOT of mowed yards, returned bottle deposits, and laps around town selling GRIT newspapers. It was a ton of money to spend on a single "toy".

I didn't have a clue as to how an "escapement" worked, and was shocked to discover my new radio was powered (in part) by a rubber band! As the Minnie gradually went together in my corner of our room, I slowly figured out the nature of this electronic gadget that had put such a dent in my nickle & dime model airplane funds.

At first, I was happy just to get the tiny relay to "click" on command from the transmitter's spring-loaded push switch, and well remember the thrill of the first control cycle working the rudder of the nearly finished Minnie. Radio and remote control is not a big deal today, but in 1968, it was magic for a kid to push a button here, and have a device react over there!

Off Topic:  "Old Days" Minnie10

Push the button and hold it...the rudder stopped on the right...release the button...and it cycled...hitting the left side for an instant and before it returned to neutral. Push the button quickly twice...stopping on the second push, and the rudder stopped on the left....release, and it returned to neutral...all physically moved by an unwinding rubber band! The sum of your control with escapement !

Pre-flight included: fueling, winding the escapement's rubber band, and turning on the radio and checking that it worked...neutral...clunk-clunk-clunk...neutral.

The Minnie's first flight was late in the evening, at a giant clover field next to my Uncle's house. I handed the transmitter to my Cousin Bobby so that I could concentrate on giving my plane a good hand-launch. With the Babe Bee running at full-tilt, I shoved the plane out across the clover, and watched as it started a graceful climb to the left. I was so amazed that it actually flew, I forgot all about the transmitter Bobby was babysitting, and just stood there for a moment, watching as the plane circled.

Suddenly realizing that I was supposed to be flying it, I grabbed the transmitter, waited for the Minnie to turn out from us, and punched in the command for right rudder. The plane broke into a right turn, and I nearly passed out ! I was an R.C. Pilot!

The first flight was perfect (others less so) as the Minnie used up it's fuel and glided back down. My final command leveled the wings before it slid into the clover. It was too dark to try another flight, but that was OK...I was a proud peacock to be returning home with my now veteran flying machine still in one piece!

This day is listed near top of my all-time favorite memories.


Last edited by Kim on Sun Sep 25, 2011 8:07 pm; edited 3 times in total
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Post  nitroairplane Sun Sep 25, 2011 7:30 am

Great story Kim i do believe that early rc makes a kit for the minie mambo I think it is sold by Steve Adams of select hobbies.
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Post  Kim Sun Sep 25, 2011 7:53 am

nitroairplane wrote:Great story Kim i do believe that early rc makes a kit for the minie mambo I think it is sold by Steve Adams of select hobbies.

Thanks Nitro!

The REALLY great thing is that I had an adult take the time (and employ enough patience!) to help me get a start in this great hobby!

I've since built another Minnie from a short kit by Fast Eddie at: http://lazer-works.com/list.html

(OOPS! Scratch that! Little Traveler was built from plans. Little Traveler II (another story) was a Cox/Sanwa "Q Tee", built from one of Eddie's short kits! Sorry! Sometimes, all this stuff blends together!)

I modified it as a long distance flyer, named it "Little Traveler", and used it in a 15 mile, cross-country flight to raise money for St. Jude Children's Research Hospital in Memphis, Tennessee:

http://www.semissourian.com/story/1581517.html?response=no

http://www.semissourian.com/story/1578021.html

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Contrary to the total of donations in the article, we ended with a Grand Total of $1600 +, as new money kept rolling in for a week or so after Little Traveler's flight.

It WILL have other missions in the future!

I don't have kids of my own, so this, along with model airplane flight instructing, has been MY way of paying forward all of the great attention and opportunities I was given as a youngster.
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Post  nitroairplane Sun Sep 25, 2011 8:39 am

Wow how did you keep track of the plane over 15 mile journey?
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Post  SuperDave Sun Sep 25, 2011 8:49 am

And speaking of the "Old Days" run this vid and smile witm me in remberance:

CHICAGO- Old Days LIVE (1974) - YouTube Very Happy Very Happy Very Happy

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Post  Kim Sun Sep 25, 2011 9:51 am

nitroairplane wrote:Wow how did you keep track of the plane over 15 mile journey?

Our completely capable and skilled chase driver Mike varied his speed according to our yelled requests (I'm surprised that at some point, he didn't pull over and kick both our butts!). All I had to do was keep the plane over our truck. Rory tried to video the flight, but my camera didn't have a viewfinder, and he could not see the plane in the flip out L.E.D. He DID let it the camera run the whole time, and thus, give us precise takeoff and landing times using it's counter.

Little Traveler II (a modified Cox/Sanwa "Q Tee") was a LOT more ambitious, involving a 30 mile attempt, a helicopter chase vehicle, and ended with us losing the plane in the Mississippi River !
That's another giant story...but we did manage a $1400 total for that attempt...in trade for Little Traveler II floating to New Orleans!

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Last edited by Kim on Sun Sep 25, 2011 2:33 pm; edited 1 time in total
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Post  Kim Sun Sep 25, 2011 10:01 am

[quote="SuperDave"]And speaking of the "Old Days" run this vid and smile witm me in remberance:

CHICAGO- Old Days LIVE (1974) - YouTube Very Happy Very Happy Very Happy

Hey Dave! It didn't load...can you try again?
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Post  nitroairplane Sun Sep 25, 2011 10:15 am

wow kim how much fuel did it go through?
and how did you not burn a glowplug?
Maybe you used a Texaco head?
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Post  GermanBeez Sun Sep 25, 2011 11:49 am

nitroairplane wrote:wow kim how much fuel did it go through?
and how did you not burn a glowplug?
Maybe you used a Texaco head?
eh, i don't see 5 fins- do you? Smile
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Post  nitroairplane Sun Sep 25, 2011 11:59 am

GermanBeez wrote:
nitroairplane wrote:wow kim how much fuel did it go through?
and how did you not burn a glowplug?
Maybe you used a Texaco head?
eh, i don't see 5 fins- do you? Smile
No but I meant the first plane (the Minnie)
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Post  Kim Sun Sep 25, 2011 12:00 pm

nitroairplane wrote:wow kim how much fuel did it go through?
and how did you not burn a glowplug?
Maybe you used a Texaco head?

Well, it had a pretty full tank when it crashed! I'd fattened the Q-Tee's fuselage just enough to fit an 8 ounce tank on it's side (using advanced Red Neck Calculus, I'd determined that if 4 ounces flew an .049 for half an hour...8 ounces ought to give a full hour!). With the angled cap facing toward an opening on the plane's front left side, I had access to fuel it without bothering with anymore removable hatches.

Other than a REALLY good break-in period, the engine is straight-stock from Mr. Bernie (THANKS, BERNIE!). The only exception was my shortening the needle valve stem and attaching a socket head set-screw to it with brass tubing and super glue. This let me adjust it with a ball/socket driver in the deep cowling, and avoid a fragile extension. I'm going to start doing this with ALL my planes as it gets one more delicate component out of the way.

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UNLIKE Little Traveler I, which made it's first flight, AND it's cross-country flight on the same day (yeah..LOVE the pressure!), Little Traveler II was flown quite a bit around the fields behind my house. I wondered about cooling issues with the engine boxed in like it was, but after a good two hour's worth of test flying, it started, peaked and ran the tank dry each time. It was not flown with a full fuel load until it's big trip, though.



Last edited by Kim on Sun Sep 25, 2011 2:14 pm; edited 2 times in total
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Post  GermanBeez Sun Sep 25, 2011 12:01 pm

maybe the filament was made of adamantine... Huh... Huh... Huh... Huh...
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Post  Kim Sun Sep 25, 2011 12:03 pm

nitroairplane wrote:
GermanBeez wrote:
nitroairplane wrote:wow kim how much fuel did it go through?
and how did you not burn a glowplug?
Maybe you used a Texaco head?
eh, i don't see 5 fins- do you? Smile
No but I meant the first plane (the Minnie)

Nope, Little Traveler I also had a straight stock engine from Bernie.
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Post  Kim Sun Sep 25, 2011 12:29 pm

I guess I must have extraordinary luck with glowplugs because, about the only time I burn one out is when I plug the glowplug leads into the starter sockets...
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Post  nitroairplane Sun Sep 25, 2011 12:43 pm

Kim wrote:I guess I must have extraordinary luck with glowplugs because, about the only time I burn one out is when I plug the glowplug leads into the starter sockets...

Cool man that is lucky.
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Post  Kim Sun Sep 25, 2011 12:45 pm


Video frame of Little Traveler II just before it's wing failed over the Mississippi River.

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Last edited by Kim on Sun Sep 25, 2011 1:50 pm; edited 1 time in total
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Post  andrew Sun Sep 25, 2011 12:55 pm

Are you going to the Paducah flyin next weekend, October 1 & 2?

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Post  Kim Sun Sep 25, 2011 1:52 pm

andrew wrote:Are you going to the Paducah flyin next weekend, October 1 & 2?

andrew

I may be able to show up Sunday...got other stuff happening ALONG WITH the Ringmaster Fly-A-Thon that weekend. If I can finally settle down and finish my 1/2A Ringmaster Bipe, I'll have it along, and try to get the attendees to take a turn at the handle.
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Post  Kim Sun Sep 25, 2011 3:35 pm

Supper Secret Technical Drawings of Little Traveler III.

Code Name: "Scoot Wagon"

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Post  nitroairplane Sun Sep 25, 2011 4:15 pm

12 ounces Smile that's enough for 1.5 hours of .049 fun.
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Post  Kim Sun Sep 25, 2011 4:32 pm

nitroairplane wrote:12 ounces Smile that's enough for 1.5 hours of .049 fun.

The Trick will be getting that 12 ounces AND it's accessories into the air !
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Post  nitroairplane Sun Sep 25, 2011 4:37 pm

Kim wrote:
nitroairplane wrote:12 ounces Smile that's enough for 1.5 hours of .049 fun.

The Trick will be getting that 12 ounces AND it's accessories into the air !

That's what I thought but Kim
You'll think of something you always do Smile
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