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Flaps

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n282rs(at)earthlink.net
Guest

Posted: Sat May 27, 2006 5:20 pm Post subject: Flaps

In normal, every day flying, I would agree with you. But, the other day

when I made my emergency landing in an oat field, I would have used them.

The HD has a lot of drag, but when the prop stops, much of that drag

disappears. The approach angle you are normally used to with the engine at

idle changes drastically with the engine off. It becomes flatter instead of

steeper. I was doing S turns and flying sideways to try to bleed off the

remaining altitude. The HD floated over the ground for awhile before it

would touchdown. My plane don't normally float. Usually you have to give it

a little throttle to get it to slow it's decent or else the wheels will

slam into the runway.. 



Randy Stout

n282rs"at"earthlink.net

www.geocities.com/r5t0ut21



 	  Quote: 	
		   [Original Message]

 From: Bill Naumuk <naumuk(at)alltel.net>

 To: <zenith-list(at)matronics.com>

 Date: 5/27/2006 7:24:09 PM

 Subject: Re: Welcome to the neighborhood!/HF Welders



 



 Ed-

     List contributors have reported no benefit from XL flaps. I'm not

being 
	


 	  Quote: 	
		   negative, I'm simply repeating what listers other than you have posted.

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p.mulwitz(at)worldnet.att
Guest

Posted: Sat May 27, 2006 6:52 pm Post subject: Flaps

 	  Quote: 	
		  I was planning on avoiding comment on the flaps issue, but I guess I 

finally got sucked in.


	




For me, flaps serve three purposes:



1.  Soft field take-off.  A little flaps goes a long way to get the 

weight off the wheels and the plane airborne.  About 10 degrees is 

perfect in a Cessna and probably would work nicely in a Zodiac too.



2.  Increase landing descent angle.  This is a way to adjust for a 

high approach.  After on final and with power off, if the plane is 

still headed for the wrong end of the runway flaps will bring it down 

faster.  This can also be accomplished quite nicely with a forward 

slip and no flaps.



3.  As a normal landing procedure, I sometimes add flaps while in 

ground effect on the landing approach.  I have normally done this 

when at high traffic density airports (i.e. where I am trying to stay 

ahead of jets on final so I am approaching at a high 

airspeed).  Adding full flaps at the last moment reduces the landing 

speed and the resulting damage to both tires and brakes.



I certainly wouldn't consider building or buying a plane without flaps.



Paul

XL wings

do not archive

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larry(at)macsmachine.com
Guest

Posted: Sun May 28, 2006 6:00 am Post subject: Flaps

Paul,

I would agree with you but for the HDS and the HD.  They have such a 

thick wing profile that

they generate huge lift and its like flying with the flaps on all the 

time.  Don't need them on these

models, but it is classic to be accustomed to what you've used previously.

Larry McFarland - 601HDS

do not archive

Paul Mulwitz wrote:

 	  Quote: 	

>I was planning on avoiding comment on the flaps issue, but I guess I 

>finally got sucked in.

>    

>

For me, flaps serve three purposes:

1.  Soft field take-off.  A little flaps goes a long way to get the 

weight off the wheels and the plane airborne.  About 10 degrees is 

perfect in a Cessna and probably would work nicely in a Zodiac too.

2.  Increase landing descent angle.  This is a way to adjust for a 

high approach.  After on final and with power off, if the plane is 

still headed for the wrong end of the runway flaps will bring it down 

faster.  This can also be accomplished quite nicely with a forward 

slip and no flaps.

3.  As a normal landing procedure, I sometimes add flaps while in 

ground effect on the landing approach.  I have normally done this 

when at high traffic density airports (i.e. where I am trying to stay 

ahead of jets on final so I am approaching at a high 

airspeed).  Adding full flaps at the last moment reduces the landing 

speed and the resulting damage to both tires and brakes.

I certainly wouldn't consider building or buying a plane without flaps.

Paul

XL wings

do not archive

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dclaytx2(at)hotmail.com
Guest

Posted: Sun May 28, 2006 8:15 am Post subject: Flaps

Speaking from a scratch builder's point of view I can say the flaps were 

extremely easy to fabricate and assemble. Just finished mine last week.



Dave

601XL Plans builder



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