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Author Topic: Swing Control  (Read 14645 times)
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simpleflyer
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« on: November 07, 2008, 12:52:16 AM »

We began building models at age 11 in 1951. A classmate had introduced us to Comet kits. After building a few, we decided to try to fly them. Our knowledge and skill in the use of rubber and prop carving was very limited, so rubber powered flight did not happen for us at that time. However, we did notice this sketch in picture 2 on one of the Comet plans.

Using a bit of thread we flew a 50 cent Corsair successfully using this method. Another Comet kit flown by swing control was a 25 cent F-86D. The kit’s model plan showed fittings and placement, and the model flew really well. Also we flew some Guillows shelf models via swing control..

In more recent years we have revisited swing control a number of times. We found an excellent article in the July 1944 issue of Model Airplane News by F.L. Hendren describing his experience with swing control. Eyeing our Guillows 600 series Super Cub that is not a very good backyard flyer due to our limited space, we decided to try it as a swing control flyer.

First the wing tip was reinforced and a loop of line attached. The prop and rubber was replaced with a wad of clay shaped into a spinner. Next we got our 2 piece retrieval cane pole from Wal-Mart, and attached an approximate 2 inch loop of soft wire to the tip of the top section, to serve as line guide. Then we robbed a Guillows kit of the bobbin of line that is supplied for tether flying. Made a loop in the end of the line on the bobbin and connected the bobbin loop with the wing tip loop and came up with the rig in picture 2.

Now into the backyard and try this sucker out. We spooled out about 10 feet of line past the tip and began swinging. Ideally, the idea is to turn while swinging the line and flying the airplane. At our age, turning around in a tight circle is not a good idea as we would get dizzy and fall. So we just swing the pole overhead in a circle and face in one direction. This works well for us. On the first flights about 10 to 12 feet of line beyond the tip of the pole was used as it was a bit breezy. In calm conditions greater line lengths could be used. Swinging with one hand allows us to capture a couple pictures( #3 and #4) from inside the flight circle.
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greggles47
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« Reply #1 on: November 07, 2008, 09:59:05 PM »

Thanks for sharing that. I love the model, it looks great in flight.

I'm glad to see that people are still reinventing stuff we knew back then.

Regards


Greg
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simpleflyer
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« Reply #2 on: November 08, 2008, 01:49:37 AM »

Thanks, Greg, for your comment. We are a child of the 40’s and have retained an interest in and a satisfaction with these lost and forgotten arts. Especially in these tumultuous and uncertain times these activities are enjoyable and a great stress reliever and cheap.

Another swing control model that we are currently flying is a modified Guillow’s Cloud Buster. We’ve modified the nose and installed oversized wheels and it flys great.

Al
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« Reply #3 on: November 08, 2008, 08:30:36 AM »

I had seen the picture but until now, never took it serious. [Don't know why not ] Now I have to try it. Its kinda odd. Most of ya'll were better flyers at 12 than I am at 44.

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« Reply #4 on: January 31, 2009, 06:49:40 PM »

I used to fly Monogram Speedee built jets using a fishing rod with bait casting reel for whipping. Flew till I was too dizzy to stand. Wanted to try setting up something with regular cl. An old American Modeller had plans for a whip control with 2-line control line. I think even Walker or Stanzel had a kit for this.
I recall a story in an old Air Trails about a group in one of the New England states would do this on windy days with regular cl planes, with up to 60' lines. They could fly almost all day just working the downwind side of the circle.
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« Reply #5 on: February 01, 2009, 12:30:00 PM »

...on windy days with regular cl planes, with up to 60' lines. They could fly almost all day just working the downwind side of the circle.

I saw this done once in the past, in England. A windy day and a C/L flyer found that after his tank was dry he could carry on doing loops and horizontal 8's etc downwind, even with a dead engine
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« Reply #6 on: September 15, 2009, 01:30:08 AM »

Checking this thread about 'swing control', I see that not much is happening here. So I guess, I,ll post a few more pix of some of our 'swingers'. In this selection are the following:

An Avia C99 modified from an old Guillows plan of a rubber powered profile model of a ME-109. The C99 is of about eleven inches and flys well in calm conditions.

A modified Boom-Boom from a plan of a sheetwood Jetex powered model, from an old Flying Models magazine. The Boom-Boom is less than twelve inches WS and flys well in all weather conditions except rain and storms. We can swing it out on lines exceeding 25 feet. Pretty remarkable for such a tiny model.

A modified Guillows Fly Boy built from a kit. An excellent flyer.

A Modified Guillows Javelin built from a kit. Also an excellent flyer.

A Weiss designed 'minute model' of the P-51. Built from plans. Flys OK, but doesn't like wind. About thirteen inches wingspan.

Finally a Stinson 108, post-WW2 dime model by Comet. Built from plan and has about twelve inch wingspan.

A wide variety of models can be flown via swing control. Easy to build, easy to fly, and fly well.

Al
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simpleflyer
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« Reply #7 on: December 13, 2012, 11:12:37 PM »

After a long absence, I guess we should up date this thread.  During the past year we've begun to build more profile swing control models.  When we built controline models as a youngster, most of our models were profile models.  These built up quickly, flew well, and were a lot of fun.

Here is a quartet of recent profile 'swingers':  starting top left to right.  (1) Guillows CE-180 modified to a profile fuselage with a Cloudbuster wing and CE 180 kit tail  (2) Guillows Piper Cub modified to profile TG-8 with kit wings and tail.  Bottom left to right.  (3)  Guillows 900 P-51 modified to a profile racer(Anson Johnson) fuselage with kit wings and tail.  (4) Guillows 500 P-40 modified to a profile with kit wings and sheet balsa tail.

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simpleflyer
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« Reply #8 on: December 13, 2012, 11:18:04 PM »

The CE-180, TG-8, P-51, AND P-40 in flight.
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simpleflyer
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« Reply #9 on: December 17, 2012, 11:24:36 PM »

Today, to celebrate Wright brother's day we flew the profile P-51 and profile Monarch 26.  The Monarch 26 was civilian conversion of the Douglas A-26.  The Monarch 26 is scratch built of all sheet construction with a 16 inch wingspan.
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« Reply #10 on: January 10, 2013, 08:44:04 PM »

What I remember is a P-39 looking all balsa airplane with a bell crank as in u/control utilizing two lines to control up and down movement on the elev. It was powered using the swing method. Never tried it but it appears to be a great way to introduce youngsters into the hobby. Logair
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« Reply #11 on: January 30, 2013, 06:18:06 PM »

Thank you, Logair, for your comment.  What you describe sounds like the Jim Walker Whip-Power U-Control.  The late Frank Macy reintroduced these in the mid 1980s.  By 2004 he expanded his whip-control fleet to four aircraft.  Prior to his death, he had nearly doubled his fleet of whip-control models.

http://www.americanjuniorclassics.com/WhipPower/whipower.htm

Black Hawk Models now produces these models.

http://www.blackhawkmodels.com/whip.html

'Logair' has a familiar ring to it, back in the 1960's when we were in the USAF, there was a civilian firm with that name that used to fly into and had facilities at some of the air bases where we were stationed.  Is there a connection?
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« Reply #12 on: January 30, 2013, 07:44:17 PM »

>'Logair' has a familiar ring to it, back in the 1960's when we were in the USAF, there was a civilian firm with that name that used to fly into and had facilities at some of the air bases where we were stationed.  Is there a connection?

Loganair  ?

 
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« Reply #13 on: January 31, 2013, 06:23:17 PM »

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Loganair  ?

I did a quick 'google search' of 'logair' and came up with this.

http://www.edcoatescollection.com/ac3/Non-skeds/Capitol%20Airways%20Logair%20Curtiss%20C-46.html


To the best of my recollection the Logair that I saw so many years ago was a C-46.
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« Reply #14 on: February 02, 2013, 11:32:34 PM »

Our latest little 'swinger' is this eleven inch wingspan profile model of the Lockheed XP-80, LulluBelle.

We started with a 3-vu drawing by Bjorn Karlstrom.  pic 1

Manipulated it in MS paint and printed it to cardstock and cut it up for parts patterns.  pic2

Used the patterns to make up a 'ZIP' kit of LulluBelle.  pic3

Did some glue work.  pix 4 & 5

And ended up with Lullubelle in profile form.  pic 6
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« Reply #15 on: February 02, 2013, 11:41:07 PM »

Then we took LulluBelle out and allowed her to play in the fresh air and she likes it.  Flys well but is a bit sensitive to gusty air.
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« Reply #16 on: February 16, 2013, 12:12:02 AM »

Although the mornings are chilly, later in the day it warms up and the sky remains clear with light breezes.  Great days for flying.  Today we flew a couple of the older 'swingers'.

First a much modified CloudBuster with a FlyBoy wing.  Then our first modified CloudBuster with a new CB wing. 

The second post at the beginning of this thread shows how the first CloudBuster was modified.  It began with a stock kit built CB with the rubber and prop removed.  This was replaced with a trough of 1/16 sheet built onto the nose to hold clay ballast.  And the nose gear was relocated.  Later the wing and tail were changed to a removable mounting system and the landing gear was removed.  The next CloudBuster had a scratch-built glider type stick fuselage.  The 2nd CB wing and tail surfaces were built pretty much according to the kit plan.

Both flew well until running into an occasional gust, then the model departs from a stable flight pattern.  That's when the tether line proves its value,  Usually. the flight can be salvaged and model damage is minimized.
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« Reply #17 on: March 06, 2013, 10:07:13 PM »

During the past few weeks we've had a couple of days of frontal passage when the wind would blow several hours during the day approaching speeds of 30 to 40 miles per hour.  This reminded us of a method of flying conventional CL models by means of a modified form of swing control referred to as 'wind flying'.  We had read an article about it in a Air Trails Young Men magazine over 50 years ago.  Attached is a picture and text describing the process.  We've never tried this method, but it seems possible.  Enjoy,
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« Reply #18 on: March 06, 2013, 10:38:23 PM »

We had some degree of success a few years ago flying a control line model by swing control.  Our long time friend and chiild hood CL mentor, Smitty, gave me a Half-A Sig Skyray model in early 2010.  We  were beginning our swing control activities at the time so we tried flying the Skyray as a 'swinger'.  For a test flight, we made a few quick mods.  Bent the LG forward and attached some clay.  Removed the CL leads, bellcrank, and pushrod and glued the horizontal tail into a single piece.  The  first test flights were promising.
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« Reply #19 on: March 06, 2013, 10:54:18 PM »

To improve the flight characteristics of the 'swinger', we removed some rear fuselage structure.  Extended and reinforced the nose.  Flight characteristics did in fact improve.
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« Reply #20 on: June 09, 2013, 08:48:57 PM »

Many years ago, in 1952, we received a Jim Walker FireBaby powered by a K&B 049 as a Christmas present.  We were 12 years old at the time and the FireBaby was our first Control Line model.  A combination of lack of experience, no mentor, and a less than suitable place to fly resulted in the demise of the FireBaby.

Several years ago we purchased a much used but intact FireBaby from a model vendor at a IPMS show.  We disassembled the model and copied the parts with the intention of scratch building a replica FireBaby and once again try to fly it.

Now that we fly virtually all our models via swing control, we decided to try the FB as a swing control model.  We cleaned up the fuel soaked parts and repaired some cracks in the wooden parts.  A non-running Cox 020 TD was attached for a nose weight, which located the CG in the right place for swing control flight.

As a 'swinger' the FireBaby is an excellent flier.  Providing much of the sensation of a CL model, except that it is much simpler to fly, quieter, and can be flown in our back yard.
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« Reply #21 on: June 14, 2013, 03:37:36 AM »

Several years ago, we had the good fortune of finding a couple of Stanzel Flash 500s at our local Wal-Mart. 

One of them was converted to swing control flight.  An easy job, requiring only the removal of the prop and drive cable  w/housing.  Then replacing the removed parts with a bit of weight. 

The Flash 500 is a fine flying and graceful looking little aircraft in flight. 

Pix taken during a back yard flight session a couple days ago Smiley 
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« Reply #22 on: August 03, 2013, 05:41:50 PM »

How much room is required for these to go around and around ?
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« Reply #23 on: August 05, 2013, 01:14:03 AM »

Thank you, FlyAce1946, for your question. 

Our flying area in our backyard is about 40 by 60 feet.  Most of our flying is done in this area.  For all-weather flying a pole+line combination of about 23 feet is used.  This is a 'crash proof' arrangement, if anything happens to cause the model to stop flying or go out of control, the pole is simply raised to a vertical position overhead and the model can't crash.

The determining factor for space requirements is the size of the model and the pole+line length.  For small models and a short line, small models may be flown indoors.

The profile Stinson pictured below has a 8 inch wingspan and is flown on a pole+line of about 7 feet.  The little foldup glider is flown in the living room.
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« Reply #24 on: August 05, 2013, 01:47:52 AM »

The total size of the back yard is about 70 by 80 feet.  In calm no wind conditions we can fly models on a pole+line combined length approaching 35 feet.

These pictures were taken last Christmas day when our neighbor was visiting us with her grown children.  The models flown were the profile P-51 and profile CE-180, both of about 24 inches wingspan.  Brandon the eldest son is flying with the pole+line combination of 23 feet.  He had not flown swing control models before.

In the last picture, I am flying the P-51 on a pole+line combination of about 30 feet.  The P51 is in the upper right corner of the pic.
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