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RE: KAOS AND RELATED PLANES AND INFO - 5/2/2012 5:51 AM   
EscapeFlyer



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Nothing like a chat with Mr. G!


That would be cool... I was referring to Scott Anderson with PMA and the CPA. (Of course, you may have meant Jim Graham... I am about to meet him on the phone.)


I had some amazing insight on some things I'm looking forward to, and some techniques I've never tried before I will be implementing on my Escape.

Good stuff!

Brian

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RE: KAOS AND RELATED PLANES AND INFO - 5/19/2012 1:55 AM   
8178



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Status: offline 		I’m swapping out my Irvine 53 to try an OS 55AX in my modified Tower Kaos 40 kit (5 pounds 3 oz). Any bets on the performance comparison.

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RE: KAOS AND RELATED PLANES AND INFO - 5/19/2012 3:41 AM   
ChiefK



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ORIGINAL: ChiefK

quote:

ORIGINAL: ChiefK

Next weekend is looking really good for a ''maiden''. Camera will be charged up - I'm keeping my fingers crossed!

ChiefK


It's DONE. First flight was completely uneventful (except the engine idle was too fast and as a result, the landing was a bit HOT)! Anybody know how to get a Perry carb to idle low and cut off when closed? Engine is a vintage Kraft .61 which I bought new (early 80's) and it came with the Perry carb. Three flights today. Grey skies, a 3-4mph crosswind. Doing strings of rolls, 4-point rolls, slow rolls, spins, loops, stall-turns, etc. Doesn't look like it has any bad habits. I'm a happy camper and it was definitely worth the wait.

ChiefK


Ordered a RJL carb for the Kraft .61. Hopefully that will take care of the carb issues.

achiefzk

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RE: KAOS AND RELATED PLANES AND INFO - 5/25/2012 10:44 PM   
ChiefK



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[/quote]

Ordered a RJL carb for the Kraft .61. Hopefully that will take care of the carb issues.

chiefk
[/quote]

First flight with the RJL carb today. High-speed needle valve was VERY stiff. Talked to RJL - they said it turns easier after the carb has some fuel run thru it. True statement. Still pretty tight, but can actually turn without a wrench now. Performance very good. Solid idle, very quick transitions. I like it! I was having so much fun, I ran it out of fuel ... dead-stick landing OK.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 5/25/2012 10:53 PM   
ChiefK



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Really interested in the ''rtf''You got coming. Keep me in the loop. I am hung up time wise for a good flyer for this year. I hung mt 60 Kaos up. An didn't finish the 60 dirty bird kit. Soooooooo. I need one
Falcon
[/quote]

Took the DB out for it's maiden flight today.... no go. Fuel tank issue... I think I put it in upside down. Will pull it all out and try again.... first day without high winds or rain. I did need to counterbalance the side-mounted engine. Will probably also need a little tail weight... will know more after I get it into the air. The feedback I've been seeing for this airplane has been really good. The supplied fuel tank has been a common problem for many... just too small at 8oz. I put a 12 oz tank in which should be fine as soon as I reinstall it properly.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 5/27/2012 10:42 PM   
ChiefK



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ORIGINAL: ChiefK


Really interested in the ''rtf''You got coming. Keep me in the loop. I am hung up time wise for a good flyer for this year. I hung mt 60 Kaos up. An didn't finish the 60 dirty bird kit. Soooooooo. I need one
Falcon


Took the DB out for it's maiden flight today.... no go. Fuel tank issue... I think I put it in upside down. Will pull it all out and try again.... first day without high winds or rain. I did need to counterbalance the side-mounted engine. Will probably also need a little tail weight... will know more after I get it into the air. The feedback I've been seeing for this airplane has been really good. The supplied fuel tank has been a common problem for many... just too small at 8oz. I put a 12 oz tank in which should be fine as soon as I reinstall it properly.

ChiefK

The DB flew its maiden flight today and I was impressed. Very nice flying airplane. Flew the Kaos 60 as well. That airplane has some really wierd trim issues. It doesn't like to takeoff or to land. The stuff in the middle is really nice. On Take Off, the airplane doesn't want to rotate on the mains and make a gentle climbout. Instead, I have to jerk it off the ground before it gets to the end of the runway, Then it acts like it's about to stall before the engine power gets it straightened out. The tail looks higher than it should look, so I put a level on the stab and an incidence meter on the wing and the two are really close to perfect alignment at 0 degrees on a level surface (excluding the 1/32" wing incidence recommended). During the flying period (high-speed), I have the elevator trim set so that I need a very slight amount of back-pressure on the elevator stick to keep the airplane from descending. With a click of "up-trim", it will pretty much fly itself across the entire flying field - "hands-off". When I throttle down for landing, the airplane just keeps flying without descent. I literally needed to feed in some down elevator to get it on the ground (after 3 approach attempts and an engine close to being out of fuel). That, of course, seriously twisted the nose gear, which means more shop attention needed for this airplane. I'm thinking that the engine down thrust recommended in the build material may be at least part of, if not all of the problem. For what its worth, the problem seems worse after adding a couple of onces of weight in the tail area that was needed to get the cg right.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 1:20 AM   
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Status: offline 		So all your problems are with the Kaos and not the Dirty Birdy?

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 2:08 AM   
ChiefK



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Status: offline 		That's my story and I'm sticking to it....

I've had a bunch of little issues getting the DB to it's maiden flight today, but it was great once I got those issues cleaned up. Mostly problems with the fuel tank (ended up using a 12oz Kavan tank) and the engine (went back and forth between two engines several times). But there were also a couple of things that went wrong during wing assembly and tail assembly.

The Kaos problems were unexpected, but serious. A plane that doesn't want to go UP when it's time to take off., and a doesn't want to come DOWN when it's time to land is crazy. I have to remove the fuel tank and battery, rebuild the nose gear and the linkage to the nose gear, take out some of the engine down thrust, maybe remove some of the weight in the tail..... see if that improves the situation. Nothing is broken (except the nose gear), so it's time to methodically work through the apparent problems.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 2:40 AM   
R_G



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ORIGINAL: 8178
I’m swapping out my Irvine 53 to try an OS 55AX in my modified Tower Kaos 40 kit (5 pounds 3 oz). Any bets on the performance comparison.

Not that the Irvine is a bad engine, but I would be disappointed if the OS didn't outperform it in a big way!

RG

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 4:34 AM   
EscapeFlyer



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I had the same issue on take off with my Super Kaos... I changed from 2.5" mains to 2.25" mains. The change in stance was enough to create a very gentle climb on the take off. You might need more, but it helped mine.

Just an idea...

Brian

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 4:47 AM   
doxilia



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Status: offline 		That 1/32" incidence sounds like it might not be enough. Greg, aside from removing some down thrust and increasing the incidence, you could try to bend the mains struts forward do that they are closer to the GG. This should help it rotate a little easier.

Might be worth a try.

David

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 6:44 PM   
ChiefK



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Status: offline 		I'm gonna try it. Thanks for the tip.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 6:52 PM   
ChiefK



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Status: offline 		Working on it today David. Main struts are very close to the cg. With a little nudge, the airplane will sit on its tail without fuel in the tank. Made new main gear slightly shorter than original. Have the engine, tank, and battery out to replace the damaged nose gear. Will place a washer under the two bottom engine mount screws to reduce the down thrust. Also noticed a slight misalignment of the elevator halves... fixing that too. Test fly later this week.

Greg

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RE: KAOS AND RELATED PLANES AND INFO - 5/28/2012 7:35 PM   
Roguedog



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Chiefk

If the plane is sticking to the ground it's to much downthrust. If its a floater it  is either tail heavy, cg to far back, or it has to much incidence. I just went through this with my 40 sized Kaos. I bought it for $30 bucks off craigslist. It was built and covered but no running gear was ever installed when I got it. These are the some of the problems I had with it, and what I did to straighten out its thrust and incidence. 

1. The wing indence was +1.5 on the left wing and -1.8 on the other at the wintips and  +1.5 at the root. It was monokote so I used my heat gun to get rid of the twist and had to reindex the wing dowel holes in the fuse to get it down to 0. To much incidence made it a floater during landing. The flight test for this is to put the plane 3 mistakes high, dive the plane straight down, and cut the engine it idle, release the controls on the radio. If the plane pulls to the canopy too much  positive incidence. It if pulls to it;s belly to much negative incidence. If it flys straight down no adjustment necessary.

2. Had 4 degrees of downthrust. Would stick to the ground like the plane and the earth were opposite poles of a magnet then as I gave it elevator to rotate the plane into the air it would pop off the ground.. Adjusted it 5 times until I finally got it to 0 (zreo) degrees.  Ther are multiple ways to test the downthrust I used this method - at full power pull the plane into a vertical climb, release the controls on the radio. As you climb vertically if it pulls to the belly, too much downthrust. If it pulls to the canopy not enough downthrust. If it flys striaght up no adustment necessary.

I had no plans to speak of so these adjustments when done with a flight trimming chart and multiple flights. Getting the incidence fixed first would be my suggestion then the downthrust problem.. Fixing the incidence does not rely on the engine as a dive with the thottle cut determines the test.

I use this chart from the Futaba 8U manual -
 



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RE: KAOS AND RELATED PLANES AND INFO - 5/29/2012 1:07 AM   
ChiefK



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Status: offline 		Thanks Rogue,

I'll put your chart to good use.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 8/3/2012 2:49 AM   
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Status: offline 		Good checks.
I was lucky, both of my Tower Kaos' flew well off the board, and trimmed very similarly. Both of mine are nose heavy and fly easily. I cannot put the batteries back far enough!
Keep at it Chief.
Chris...


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RE: KAOS AND RELATED PLANES AND INFO - 9/23/2012 4:06 AM   
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Status: offline 		For all of you that want to fly a Kaos you can't go wrong with the tower Hobbies Kaos 40 ARF. It is extremly well built, especially the wing. The only problem with it is the increasing price and the fact that the trim tends to come off. Since my return to the R/C hobby I have been through six (four ARF's and two kits). It is an absolute joy to fly. It will handle almost any power you want to put in it, one of our club members flew his with a OS .75. One change I made to all of them, was to put a servo on each wing and one I converted to a tail drager. On that one I moved the vertial back one inch and increased the height one inch. Could not tell any difference. You do have to be careful as you can get so comfortable flying it you might find yourself trying stupid things. Then you have to go out and buy a new one. I speak from experience. I am currently building a Tower Hobbies 60 size Kaos from a kit and can't wait to get it to the flying field.

Morris

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RE: KAOS AND RELATED PLANES AND INFO - 10/29/2012 5:51 AM   
miguel arzola


 

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Status: offline 		Photo: Por aqui con el buen amigo joe bridi dandole el ultimo adios a su casa en Bullhead City Az. saludosAnd here is the creator of the great fliyng Kaos Mr.Joe Bridi las week i Bullhead City Az....keeep the good flying

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RE: KAOS AND RELATED PLANES AND INFO - 10/29/2012 7:16 AM   
J Strong


 

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Jamie

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RE: KAOS AND RELATED PLANES AND INFO - 10/30/2012 12:11 AM   
MostlyKaos



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Status: offline 		Great pic...re: Tower Kaos 40, I had a 55AX in mine and it was fast, It must be a rocket with a 75AX. I have a 65AX in my Bridi Utter Kaos 60 and that is enough power, could use a 75AX for fun though.

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RE: KAOS AND RELATED PLANES AND INFO - 12/13/2012 6:09 AM   
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Status: offline 		Hello,  I am building a Bridi Killer Chaos 60 w/retracts and maybe a tuned pipe.  My question is:

Does it qualify for Senior Pattern Association and or Classic Pattern? Or is it "too new" of a Chaos?  I would like to get my feet wet in a pattern competition this coming year.

Thanks,
J


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RE: KAOS AND RELATED PLANES AND INFO - 12/13/2012 7:05 AM   
EscapeFlyer



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Status: offline 		The Classic Pattern Association would LOVE to have you fly with us. I will PM you!

Brian

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RE: KAOS AND RELATED PLANES AND INFO - 12/13/2012 2:07 PM   
ChiefK



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Status: offline 		The Killer Kaos (I thru IV) is a legal airplane for SPA.... however tuned pipes are not allowed, and an airplane fitted with retracts must leave them extended during SPA competition events. Hope to see you on the SPA circuit of events. I'll be at Asheville and Knoxville this year.

ChiefK

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RE: KAOS AND RELATED PLANES AND INFO - 12/14/2012 3:09 AM   
Mr-Punk


 

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Status: offline 		Thanks for the info guys.  The one I'm building don't say if it's I - IV.  It's the Bluejay/Bridi Killer Chaos.  This one http://www.bridiairplanes.com/hangar/killerchaos60.html

I'm putting an OS 61 FX in it but may put a pipe on it later.  With the retracts it's looking to come in around 6.5 lbs rtf.  Should I expect good vertical performance with the stock muffler?   Vertical and speed are reasons I'd pipe it.  Here is a couple pics.  It's next to my clipped wing 4 Star that has a 46ax piped.  The 4 star really scoots with 11x8 MA at 13,500. :-)  I'm hoping for more out of the Kaos.

Peace,
J


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RE: KAOS AND RELATED PLANES AND INFO - 12/14/2012 1:09 PM   
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Status: offline 		Mr.Punk- - I have this bird with the OS-61 piped and Robart retracts which I bult about 5 years ago. It is a great bird. I don't fly senior pattern but it is fun to bore holes with it in the sky. I havent weighed it but it performs well at what ever its weight. Good luck as I think you will have a ball with it.

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