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Flying stop sing or round tuit

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Old 11-11-2002, 09:38 PM
  #1
Constrictor
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Default Flying stop sing or round tuit

Ive seen these flying round houseboard insulation board planes flying can anyone tell me where to find one or plans?
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Old 11-11-2002, 10:54 PM
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Default Flying stop sing or round tuit

Dick Sarapolus did one for Flying Models maybe 5 years ago, try thier plans service. R/C Reports magazine had something about them in one of the colums.

They where pretty straight forward:

1" thick foam, 3/4" if you can get it.

Ply motor mount.

Draw as big a circle as you can on a 2' wide sheet of foam, but have 20% of the circle hang of the edge. i.e. 30~32" circle.

The elverons complete the circle.

You want a rudder, but make it fixed. Don't use elevator & rudder, it works but poorly.

Balance at 25%.
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Old 11-11-2002, 11:23 PM
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Default Flying stop sing or round tuit

I never stop singing when I fly...! Well, sometimes I get a round tuit, but usually only after a few crashes.

Sorry, couldn't resist
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Old 11-12-2002, 02:15 AM
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Default Flying stop sing or round tuit

Foam is out and coroplast is in for the flying disc type of planes...go to the fun fly topic and ask the same question...those guys should be able to set you up with the lastest and greatest disc designs. Does it have to be round? If you would settle for a square, go to the fun fly topic and look for the Pizza Box or PBF (pizza box flyer) threads...there's several and be prepared to read for hours!
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Old 12-28-2002, 12:13 AM
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Default round to it

i built one from a picture many yrs ago. really fun after i worked out c/g. i used a material we called gaterfoam. cut a 36" circle,
no computer radio, so i had to put together sliding servo and etc.
i lost it over the highway patrol parking lot, hit nothing thank god.
that ended it..............lol


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Old 02-16-2003, 04:15 AM
  #6
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Default foam stop sign

check out my avatar!

This one is a 48" foam board stop sign with an OS91FX on it, What a hoot!

We will be coming out with a kit soon if you are still interested.

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Old 08-19-2010, 09:02 AM
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Default RE: foam stop sign

One inch pink styrofoam. Slice off the back 10 inches and split for elevons. OS46FX.
Covered in brown paper and spray painted. Underhand launched. Will fly slow or will really boogie all out.
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Old 08-19-2010, 09:01 PM
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Default RE: foam stop sign

One of my modeling friends had a plan he designed Pubhlished in RCM back in the 70.
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Old 08-19-2010, 09:28 PM
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Default RE: Flying stop sing or round tuit

There is another one called the Nutball. FFF with 2s 950 mah lipo you can almost fly it indoors. More foam plans at 3Dfoamy.com The nutball is popular in the RCG site.
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Old 08-21-2010, 12:19 AM
  #10
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Default RE: foam stop sign

Back in my teens I built 2 Saucers from an article in a magazine. Probably that one. I haven't been able to dig that article back up yet. Must have been about mid 70's. I think I was 14 or 15.
The second one was about a pound lighter and flew much better than the first. This is a shot of the first one. The second shot was at the Niagara Region Model Flying Club about 1975.
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Old 08-21-2010, 05:10 AM
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Default RE: foam stop sign

VooDooVW,

What is the diameter of the yellow one? Where is the C/G located? Looks Great!
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Old 08-21-2010, 07:17 AM
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Default RE: foam stop sign

It's 40 inches across with the elevonscut at about 10 inches. Currently balanced at about 81/2 to 9 inched back from the leading edge. I thought the originals were balanced further back at maybe 10 inches but it flew OK so I haven't messed with it yet. For this one I covered the foam using afine fiberglass cloth andwater based Varathane. I'd used this onsmaller models with greatsuccess but it's too easyto damage this finish on a modelof this size.The fiberglass andfinish is also the hinge for the elevons. She weighs in at 5 pounds 3 onces dry. She really scoots along at full throttle with the OS 46FX and 12 x 6 prop.
I'd love to do one up that was more streamlinedand sporting retracts with some sort of military paint scheme.
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Old 08-21-2010, 09:34 AM
  #13
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Default RE: foam stop sign

Thanks! I love the design! I'm gonna throw one together! I have made several delta type wings with the pink foam and the white house insulation styrofoam, great stuff to work with. I usually cover them with Towercote, a low heat shrink film. A couple more questions.....What is the height and width of your fins? How far back does the "fuselage" go? Have you tried this design in an octagon shape (ala flying stop sign)?
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Old 08-21-2010, 09:41 AM
  #14
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Default RE: foam stop sign

I used a plastic flower pot for the fins on this one to give it a turbine type look. I was extremely surprised it worked!
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Old 08-21-2010, 09:49 AM
  #15
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Default RE: foam stop sign

Last ones......sorry for thread highjack
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Old 08-21-2010, 10:02 AM
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Default RE: foam stop sign



No, just the saucers. The fins are 11½ " at the base and 10" tall. Their curve is similar to the 40” main wing if that’s what we should call it. The fuselage is 23” long, 5” tall and 3¼” wide. The first 2 had balsa wrapped all the way around the 1” foam edges of everything; wing, fins and elevons. I used ply plates to give mounting points for the fuselage hold downs and control horns. It would probably be better to have the front of the fuselage slip over the front of the wing and just have 2 wing bolts at the rear than what I did with this one. I guess you already know you need pretty good servos to haul around the elevons or you could strip the gears. My second one went in because of something like that (there wasn’t enough left to tell what really happened it just didn’t pull out of a loop). The elevons are cut at a 45 degree angle on the bottom side and hinged like a foamy.

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Old 08-21-2010, 10:11 AM
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Default RE: foam stop sign

Freaky ideas here: http://aero.land.free.fr/interex08.html
I really like that GeoBat design.
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Old 08-21-2010, 10:23 AM
  #18
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Default RE: foam stop sign

amazing planes! thanks for sharing the website. And thanks for the additional information on your plane.
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Old 09-03-2010, 11:05 PM
  #19
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Default RE: Flying stop sing or round tuit

Wow...looks like a lot of creativity goes in to those/these.

Jeff
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Old 11-28-2011, 07:39 PM
  #20
Wayne H
 
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Default RE: Flying stop sing or round tuit

I whipped one up except this one is only 36" round only because Iwas too lazy to go out an buy some more foam so I just used what I had. I glued 1/8" doorskin ply all around the edges. It flies great and is alot of fun!
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Old 11-29-2011, 11:18 AM
  #21
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Default RE: Flying stop sing or round tuit

Have built two of these already (per the attached plan found on the net). Inexpensive one evening build Corex FUN plane; even torque rolling with the odd tail touch is easily achieved powered by a .25.
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