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KAOS AND RELATED PLANES AND INFO - 8/17/2006 5:53:57 PM   
EXCAP232



Posts: 1318
Joined: 12/15/2001
From: Frederick, MD, USA
Status: offline 		This thread is to be a "sticky" for the wealth of information regarding the Kaos and other related planes. Please post information here including sources, building tips and the like. I can merge other threads into this one if the need arrises.

Enjoy,

EXCAP232
       Post #: 1

RE: KAOS AND RELATED PLANES AND INFO - 8/17/2006 6:06:50 PM   
rainedave



Posts: 5190
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: online 		Thank you, EXCAP232. I think this will prove a popular and useful thread.

Although not strickly a Kaos - unless you want to call the Kaos a Sun Fli Mk V - I'm finishing up a 36" 1/2A Sun Fli IV. So here's a pic. I can email plans.

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< Message edited by rainedav -- 8/17/2006 6:32:53 PM >

(in reply to EXCAP232)
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RE: KAOS AND RELATED PLANES AND INFO - 8/17/2006 6:16:25 PM   
ptulmer



Posts: 4770
Joined: 4/28/2003
From: Brunswick, GA, USA
Status: offline 		Here's a look and a link to a 1/2a Kao-tic. It's still in the "refinement" stage, but I've mostly built the airframe. It should have an AUW of ~12-13oz and a good reed valve Cox will put out close to that in thrust.

http://www.ulmer-rc.com/files/kao-tic.zip

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< Message edited by ptulmer -- 8/17/2006 6:18:02 PM >

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RE: KAOS AND RELATED PLANES AND INFO - 8/17/2006 11:12:42 PM   
8178



Posts: 3031
Joined: 5/25/2004
From: _ , USA
Status: online 		Oh goody!

My modified, kit built Tower Kaos 40. 5 lbs. 3 oz. and powered with a Irvine 53 ABC engine with muffler baffle removed and spinning a Top Flite 10-7 power point prop at high RPM. The power of the 53 over powers the drag of the thick wing pulling it along smartly with unlimited vertical. The airframe is covered with MonoKote and the radio used is a Futaba 9C Super with a Futaba PCM receiver. I started out with an OS 46 FX but it wasn’t quite fast enough for me.

Early on I made the mistake of using the manufacturers recommended prop that was too big for my style of flying and after going to the 10 – 7 it really came alive. The 10 – 7 lets the engine unload in level flight and hold a high RPM on the extended vertical. I do not know how fast it is but it easily keeps up with the diamond dust deltas that fly at our field. I think the speed would be close to my Tiporare.

The Tower kits come up on ebay often but I have another kit stashed for backup.

My son took a few video clips but was so mesmerized by the impressive speed and performance missed the spins and slower maneuvers. The video quality could be better but it does give you a pretty good idea the kind of performance that is provided with the light airframe and substantial power.

The video includes:

1. Take off.
2. Right to left pass.
3. Left to right pass with a vertical pull up to unlimited vertical rolls. Luckily you can not hear all of my son’s comment about the vertical performance “holy s****!”
4. On the far right end of the field, vertical climb to a ½ roll and split S back down to line up for a right to left slow roll the length of the field.
5. Landing.

The video is at http://media.putfile.com/Kaos-40-Kit

I believe the whistling sound is cause by the wheels on the fixed gear hanging out in the high speed air stream. It is a lot of fun to fly but because of the combination of small size and high speed it takes some focused attention.





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< Message edited by 8178 -- 8/27/2006 5:35:48 PM >

(in reply to ptulmer)
       Post #: 4

RE: KAOS AND RELATED PLANES AND INFO - 8/18/2006 1:11:09 AM   
rainedave



Posts: 5190
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: online 		Man, 8178, you even make the basic, no frills (but noble) Kaos look fantastic! I may have to get the Super Kaos 40 plans from RCM and save up for one of new Webra .55s that just came out a while back. Or maybe a Jett .50. Actually, that would be wat too fast for my thumbs.

< Message edited by rainedav -- 8/18/2006 1:14:38 AM >

(in reply to 8178)
       Post #: 5

RE: KAOS AND RELATED PLANES AND INFO - 8/18/2006 2:06:51 AM   
8178



Posts: 3031
Joined: 5/25/2004
From: _ , USA
Status: online 		Thanks raindav! It is just a standard Tower Kaos 40 kit with a narrowed fuselage, a more rounded top and an enclosed nose on the front. My rule is, build them light and the more power the better. For my flying style, it is imposable to be too fast with a “classic” pattern aircraft. On my next one I’ll lower the engine thrust line a little for a better nose shape.

(in reply to rainedave)
       Post #: 6

RE: KAOS AND RELATED PLANES AND INFO - 8/18/2006 2:58:43 AM   
glowplugboy


 

Posts: 580
Joined: 12/26/2001
From: Pasadena, TX 77505/77508, TX, USA
Status: offline 		In 1981, I placed 2nd in Sportsman at the Southwest Championships in Dallas, Texas with an "Utter" Chaos, which I believe Bridi produced for Hobby Lobby. It was a slightly longer tail moment than original Kaos fuse with a Curare wing. I had an OS Max .61 FSR and a pipe on it. Simple fixed tri-gear. I outflew Curares, Arrows, and Dirty Birdys with it. Legendary design, the Kaos.
Regards,
GPB

< Message edited by glowplugboy -- 8/18/2006 2:59:44 AM >

(in reply to EXCAP232)
       Post #: 7

RE: KAOS AND RELATED PLANES AND INFO - 8/21/2006 3:47:29 PM   
mmattockx


 

Posts: 2205
Joined: 4/28/2005
From: Calgary, AB, CANADA
Status: offline 		Well, since this is an info thread and no one has posted this yet, here are places to get your Kaos from

Kits - Bluejay Models

http://www.bridiairplanes.com/


Plans - RCM plans

http://www.rcmmagazine.com

Go to the RCM Store, then Plans, and then search for "Kaos" and "Super Kaos"


You might want to get the plans soon, though, as RCM could vanish at any moment given their business situation...


Mark

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RE: KAOS AND RELATED PLANES AND INFO - 8/22/2006 2:09:13 AM   
rainedave



Posts: 5190
Joined: 7/21/2005
From: Greensboro, NC, USA
Status: online 		I have redrawn the Sun Fli IV in Cad. The drawing is scaled to 36" for a Norvel w/throttle or a TD, but being cad it can be scaled back up to 60" in a second. The only change I made was to leave the sheeting off of the stab and build up the fin instead of using solid sheet. You can easily measure off the drawing to choose wood sizes. The airfoil might be a bit different, too. The original gets thinner at the tip, so I used an NACA 0018 at the root transitioning to an NACA 0014 at the tip. This looks very close to my eye. If you scale it up just use your discretion as far as structural elements such as wing center glassing, ply fuse/saddle doublers, etc.

Oh, just PM me your email address.

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(in reply to mmattockx)
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RE: KAOS AND RELATED PLANES AND INFO - 8/27/2006 3:12:35 PM   
8178



Posts: 3031
Joined: 5/25/2004
From: _ , USA
Status: online 		I added more info to my post #4 above.

(in reply to rainedave)
       Post #: 10

RE: KAOS AND RELATED PLANES AND INFO - 9/8/2006 2:20:18 PM   
matt13


 

Posts: 171
Joined: 11/25/2005
From: Adelaide, AUSTRALIA
Status: offline 		Excellent, another post about my favourate sports model. I have been flying the 46 sized Kaos since I bought a kit in 1979 or 80. Since then I have always had one and they have all been from the plans that can with the kit. When I crash one I work none stop until I have finished a new one(about two weeks). The last few have had the OS46LA for power which is about right for for good fun sport flying,good idle, and reliable(4Ibs 13oz). I had my first look at the ARF KAOS last year and noticed that it is larger and with a slightly thicker wing section. It seemed to fly just as well. Looks like an in between size of the original 40 and the 60 models. I have had a good copy of the 60 size plans for a few years now with the intention of building one for a OS61FX. But I am now thinking of trying the OS50 in it as I would again think that this would give me the nice light model with a good power to weight ratio with out being "over the top" with power. What do you guy's think. Matt

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(in reply to 8178)
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RE: KAOS AND RELATED PLANES AND INFO - 9/8/2006 2:36:29 PM   
ptulmer



Posts: 4770
Joined: 4/28/2003
From: Brunswick, GA, USA
Status: offline 		Matt, those two engines are very close in the actual power output. I watched a friend swap out his OS .61FX for the .50SX and both engines flew his .60 size Spitfire very nicely. But, there was one big problem. The .50SX is about 20% lighter making the correct CG difficult to achieve. Starting from scratch, work on keeping the tail light!

< Message edited by ptulmer -- 9/8/2006 2:37:05 PM >

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RE: KAOS AND RELATED PLANES AND INFO - 9/8/2006 2:55:37 PM   
matt13


 

Posts: 171
Joined: 11/25/2005
From: Adelaide, AUSTRALIA
Status: offline 		Thanks for the advice, starting from scratch I should be able to achieve the correct CofG with the placement of the radio. I went from an enya 45 to the OS LA in the 40 size models and by planning where the gear went in had not troubles with the light motor and the CofG. Matt

(in reply to ptulmer)
       Post #: 13

RE: KAOS AND RELATED PLANES AND INFO - 9/8/2006 5:52:35 PM