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Short wing versus glider wing root shape

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frans(at)paardnatuurlijk.
Guest

Posted: Sat Jul 04, 2009 2:10 am Post subject: Short wing versus glider wing root shape

Hi all,



At the moment, I'm installing the wing root fairings. Not the normal

fairings but the very nice fairings from Fred Klein. I can recommend

them, they are of a nice quality and significantly enhance the look of

the aircraft and most likely offer a major improvement in air flow.



The problem I have is that if I bond some part of the fairings to the

fuselage, this might it make it very difficult, if not impossible, to

fit the glider wings in the future.

I have always kept the option open to buy the glider wings in the

future, and don't want to abandon this option at this stage.



To avoid future problems, I need to know the shape of the wing roots of

the glider wings, in comparison to the normal wings.

The best option of course would be to lend some glider wings somewhere,

but there is as far as I know no-one near my country with these glider

wings.



My hope is now that there is someone who has or had both set of wings

and has made some comparison (ideally by drawing both wing root shapes

on the fuselage) and can tell me more about it.



I'm particularly interested in the area near the flaps. The glider wings

don't have flaps, so do the glider wings fill in part of the space

otherwise occupied by the flaps? The airbrakes, do they begin directly

at the wing root, or is there some space left at the wing root where it

is possible to construct a smooth adaptor fairing to the short wing

fairing on the fuselage? If it would be possible to construct an adaptor

fairing, this would be the solution to my problem, and probably also

hide the flap drive tube and associated holes at the same time.



-- 

Frans Veldman

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kheindl(at)msn.com
Guest

Posted: Sat Jul 04, 2009 3:49 am Post subject: Short wing versus glider wing root shape

  

Hi Frans C

  

 Others may be able to give more precise information.

 The glider wing root fairings are larger and completely enclose the root C including the flap drive tube and hole. There is a small bulge where the flap tube fits. I have to lower the flap drive tube to almost the maximum before fiting the wings. The airbrakes are quite a way outboard from the fuselage.

  

 Karl

 



  

[quote] Date: Sat C 4 Jul 2009 12:02:48 +0200

 From: frans(at)paardnatuurlijk.nl

 To: europa-list(at)matronics.com

 Subject: Short wing versus glider wing root shape

 

 --> Europa-List message posted by: Frans Veldman <frans(at)paardnatuurlijk.nl>

 

 Hi all C

 

 At the moment C I'm installing the wing root fairings. Not the normal

 fairings but the very nice fairings from Fred Klein. I can recommend

 them C they are of a nice quality and significantly enhance the look of

 the aircraft and most likely offer a major improvement in air flow.

 

 The problem I have is that if I bond some part of the fairings to the

 fuselage C this might it make it very difficult C if not impossible C to

 fit the glider wings in the future.

 I have always kept the option open to buy the glider wings in the

 future C and don't want to abandon this option at this stage.

 

 To avoid future problems C I need to know the shape of the wing roots of

 the glider wings C in comparison to the normal wings.

 The best option of course would be to lend some glider wings somewhere C

 but there is as far as I know no-one near my country with these glider

 wings.

 

 My hope is now that there is someone who has or had both set of wings

 and has made some comparison (ideally by drawing both wing root shapes

 on the fuselage) and can tell me more about it.

 

 I'm particularly interested in the area near the flaps. The glider wings

 don't have flaps C so do the glider wings fill in part of the space

 otherwise occupied by the flaps? The airbrakes C do they begin directly

 at the wing root C or is there some space left at the wing root where it

 is possible to construct a smooth adaptor fairing to the short wing

 fairing on the fuselage? If it would be possible to construct an adaptor

 fairing C this would be the solution to my problem C and probably also

 hide the flap drive tube and associated holes at the same time.

 

 -- 

 Frans V========================> 

 

 

   	  Quote: 	
		  [b]

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kheindl(at)msn.com
Guest

Posted: Sat Jul 04, 2009 3:53 am Post subject: Short wing versus glider wing root shape

  

I should also mention that the wing skins are very close to the fuselage when fitted and must not be modified. There is also a slight difference in angle of incidence.



 



  



[quote] Date: Sat C 4 Jul 2009 12:02:48 +0200

 From: frans(at)paardnatuurlijk.nl

 To: europa-list(at)matronics.com

 Subject: Short wing versus glider wing root shape

 

 --> Europa-List message posted by: Frans Veldman <frans(at)paardnatuurlijk.nl>

 

 Hi all C

 

 At the moment C I'm installing the wing root fairings. Not the normal

 fairings but the very nice fairings from Fred Klein. I can recommend

 them C they are of a nice quality and significantly enhance the look of

 the aircraft and most likely offer a major improvement in air flow.

 

 The problem I have is that if I bond some part of the fairings to the

 fuselage C this might it make it very difficult C if not impossible C to

 fit the glider wings in the future.

 I have always kept the option open to buy the glider wings in the

 future C and don't want to abandon this option at this stage.

 

 To avoid future problems C I need to know the shape of the wing roots of

 the glider wings C in comparison to the normal wings.

 The best option of course would be to lend some glider wings somewhere C

 but there is as far as I know no-one near my country with these glider

 wings.

 

 My hope is now that there is someone who has or had both set of wings

 and has made some comparison (ideally by drawing both wing root shapes

 on the fuselage) and can tell me more about it.

 

 I'm particularly interested in the area near the flaps. The glider wings

 don't have flaps C so do the glider wings fill in part of the space

 otherwise occupied by the flaps? The airbrakes C do they begin directly

 at the wing root C or is there some space left at the wing root where it

 is possible to construct a smooth adaptor fairing to the short wing

 fairing on the fuselage? If it would be possible to construct an adaptor

 fairing C this would be the solution to my problem C and probably also

 hide the flap drive tube and associated holes at the same time.

 

 -- 

 Fran=====================

 

 

 

   	  Quote: 	
		  [b]

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frans(at)paardnatuurlijk.
Guest

Posted: Sat Jul 04, 2009 5:14 am Post subject: Short wing versus glider wing root shape

Hi Karl,



 	  Quote: 	
		   The glider wing root fairings are larger and completely enclose the

 root, including the flap drive tube and hole. There is a small bulge

 where the flap tube fits. I have to lower the flap drive tube to

 almost the maximum before fiting the wings. The airbrakes are quite a

 way outboard from the fuselage.


	


Thanks for the info.

But do I understand correctly that the glider wings actually have a

larger chord line than the short wings? I thought they are larger

lengthwise, but have a smaller chord line. Or is it just the fairing

which is larger? If that is the case, I could modify it.

Has anyone a picture for me?



-- 

Frans Veldman

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

kheindl(at)msn.com
Guest

Posted: Sat Jul 04, 2009 9:04 am Post subject: Short wing versus glider wing root shape

  

Yes C the chord aft of the spars is appr. 57cm C which is appr. same as short wings PLUS flaps.



 



  



 	  Quote: 	
		   Date: Sat C 4 Jul 2009 14:48:31 +0200

 From: frans(at)paardnatuurlijk.nl

 To: europa-list(at)matronics.com

 Subject: Re: Short wing versus glider wing root shape

 

 --> Europa-List message posted by: Frans Veldman <frans(at)paardnatuurlijk.nl>

 

 Hi Karl C

 

 > The glider wing root fairings are larger and completely enclose the

 > root C including the flap drive tube and hole. There is a small bulge

 > where the flap tube fits. I have to lower the flap drive tube to

 > almost the maximum before fiting the wings. The airbrakes are quite a

 > way outboard from the fuselage.

 

 Thanks for the info.

 But do I understand correctly that the glider wings actually have a

 larger chord line than the short wings? I thought they are larger

 lengthwise C but have a smaller chord line. Or is it just the fairing

 which is larger? If that is the case C I could modify it.

 Has anyone a picture for me?

 

 -- 

 Frans Veldman

&gt================
	


[quote] 

 

 

   	  Quote: 	
		  [b]

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fklein(at)orcasonline.com
Guest

Posted: Sat Jul 04, 2009 1:11 pm Post subject: Short wing versus glider wing root shape

FWIW, I think what would be helpful to Frans is for someone w/ the glider wings to tape a sheet of paper to the fuselage w/ a hole for the spar and registration marks at the front and rear drag pins, then insert the wing, and draw an outline of the glider wing fairing as it kisses the fuselage...and then mail it to him!



...jus ma 2 cents...

Fred

A194



On Jul 4, 2009, at 10:02 AM, Karl Heindl wrote:

 	  Quote: 	
		  Yes, the chord aft of the spars is appr. 57cm, which is appr. same as short wings PLUS flaps.



 	  Quote: 	
		   Date: Sat, 4 Jul 2009 14:48:31 +0200

 From: frans(at)paardnatuurlijk.nl (frans(at)paardnatuurlijk.nl)

 To: europa-list(at)matronics.com (europa-list(at)matronics.com)

 Subject: Re: Short wing versus glider wing root shape

 

  ://www.matronics.com/Navigator?Europa-List .com tronics.com/contribution  [/b] 	


	

[/quote]

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frans(at)paardnatuurlijk.
Guest

Posted: Sat Jul 04, 2009 1:51 pm Post subject: Short wing versus glider wing root shape

Fred Klein wrote:

 	  Quote: 	
		   FWIW, I think what would be helpful to Frans is for someone w/ the

 glider wings to tape a sheet of paper to the fuselage w/ a hole for the

 spar and registration marks at the front and rear drag pins, then insert

 the wing, and draw an outline of the glider wing fairing as it kisses

 the fuselage...and then mail it to him!


	


That would indeed be ideal, but I dare not to ask for this, knowing that

we are all busy with either building or our flying hobby. If someone

would like to do this though, I will of course take care of the mailing

costs. Don't start right away though, because I'm re-evaluating what I'm

trying to do, and maybe I will follow another approach that makes this

glider fairing stuff unneccesary. So, if someone is prepared to do this,

send me an email, and I will let you know whether it is still needed.



-- 

Frans Veldman

- The Matronics Europa-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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