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Doors open

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Tom Jones

Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA

Posted: Sat Oct 27, 2007 7:20 am Post subject: Doors open

Do you need a limit strap of some sort on the kitfox doors when flying with them open?  My doors are close to the wing bottom when open and the door struts seem kind of light weight to hold much force.  I'm near the end of phase one testing and would like to test with my door open now.

_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA

Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Sat Oct 27, 2007 9:44 am Post subject: Doors open

 	  Quote: 	
		   From: Tom Jones [nahsikhs(at)elltel.net] 

 Do you need a limit strap of some sort on the kitfox doors when flying

 with them open?


	


It's difficult to say, Tom, because the Kitfox is a homebuilt aircraft and there are not two built the same. Basically, it depends on how the door takes the wind and I believe a slight difference in their shape may cause a totally different behaviour. Maybe you should wait to try yours with a passenger and see how it goes.

With my model 3, opening and closing the doors in flight is extremely simple and doesn't require any force at all. Furthermore, even if the opened door is close to the wing, I have not noticed any effect on the flight characteristics when open. I have landed with open doors and the plane behaved as if they were closed. But that's my plane. Test carefully how yours work.



Cheers,

Michel Verheughe

Norway

Kitfox 3 - Jabiru 2200

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Kitfox 3 - Jabiru 2200

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sat Oct 27, 2007 11:51 am Post subject: Re: Doors open

Tom, 



I don't have door strut or cables on my  IV .  I fly with they open lots.



No issues

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Malcolmbru(at)aol.com
Guest

Posted: Sat Oct 27, 2007 6:07 pm Post subject: Doors open

are you flying a 4 with a 503? how much douse the plane weigh?   my mod 2 is 538 lb.     my only open door flight was when  the passenger door opening on take off.   it got real windy  in there a couple of times.malcolm  





  [quote][b]

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Oct 27, 2007 6:51 pm Post subject: Doors open

My limit straps are close to twenty feet  long.  (wings) the only problem I ever had with the doors open was on  the very first day when a little bit of an uncontrolled turn  looked enough  like a slip to the door to cause it to come down quickly.  If you want to  breeze and slip the 'fox take the doors off first... It only takes a minute or  so.



 

[img]cid:888283202(at)28102007-0BBE[/img]  

 Noel Loveys, RPP, AME intern

 Campbellton, Newfoundland, 

 Canada

 Kitfox Mod III-A, 582, B box, Ivo IFA

 Aerocet 1100s

 noelloveys(at)yahoo.ca (noelloveys(at)yahoo.ca)

 

 

 

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Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Oct 27, 2007 6:51 pm Post subject: Doors open

What Michel said on Aerocet 1100 straight floats.



BTW the spray when landing ( close to glassy water) doesn't get into the

cabin but sounds fantastic!



Noel



[quote] --

_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

Tom Jones

Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA

Posted: Sat Oct 27, 2007 7:11 pm Post subject: Re: Doors open

 	  Quote: 	
		  are you flying a 4 with a 503? how much douse the plane weigh?ï¿½ my mod 2 is 538 lb. my only open door flight was when the passenger door opening on take off. 	




Malcolm, yes a 503 in a classic 4.  See pictures attached.  It weighs 546 and I weigh 160.



 	  Quote: 	
		  If you want to breeze and slip the 'fox take the doors off first... It only takes a minute or so. 	




Noel, I will probably take the doors off in the summer.  When the doors are on I would like to open mine to take pictures.

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_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Oct 27, 2007 8:22 pm Post subject: Doors open

I've done both, opened the doors on occasion and taken them off at other

times (10 - 15 min).  My flight instructor wouldn't let me fly the C172

without the doors even though it was certified to do so. 



Noel



[quote] --

_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sun Oct 28, 2007 2:30 am Post subject: Re: Doors open

 	  Quote: 	
		  are you flying a 4 with a 503? how much douse the plane weigh?? my mod 2 is 538 lb. my only open door flight was when the passenger door opening on take off. it got real windy in there a couple of times.malcolm 	




my  IV is about 550 and done one or two doors open  or closed -- take offs , landing.

Fox5flyer
Guest

Posted: Sun Oct 28, 2007 3:00 am Post subject: Doors open

Nice install Tom.  Looks great!

Deke

S5, NE Michigan



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