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Luggage Pod ideas

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LarryM

Joined: 27 Nov 2007
Posts: 63
Location: Genoa, IL

Posted: Sun Jan 27, 2008 1:37 pm Post subject: Luggage Pod ideas

Does anyone use or have tried using an automotive roof luggage pod mounted under the landing gear?  Would appreciate hearing about your experience/suggestions.



Thanks,

larry

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Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Sun Jan 27, 2008 2:07 pm Post subject: Luggage Pod ideas

On Jan 27, 2008, at 10:37 PM, LarryM wrote:

 	  Quote: 	
		   Does anyone use or have tried using an automotive roof luggage pod 

 mounted under the landing gear?  Would appreciate hearing about your 

 experience/suggestions.


	


Nothing more than looking at them and thinking: If I was to install 

that on my Kitfox, I would do it the aerodynamically correct way; the 

blunt end first. 



Cheers,

Michel Verheughe

Norway

Kitfox 3 - Jabiru 2200

do not archive

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_________________
Kitfox 3 - Jabiru 2200

Fox5flyer
Guest

Posted: Sun Jan 27, 2008 5:06 pm Post subject: Luggage Pod ideas

Good point Michel.  I've always wondered why they mount those things 

backward.  I thought the same thing about sailboats too.  Seems the pointy 

end should be facing aft.

Deke Morisse

Mikado Michigan

S5/Subaru/CAP 355+ TT

"The aim of an argument or discussion should not be victory, but progress."

- Joseph Joubert



do not archive



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Guy Buchanan

Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

Posted: Sun Jan 27, 2008 8:38 pm Post subject: Luggage Pod ideas

At 04:57 PM 1/27/2008, you wrote:

 	  Quote: 	
		  Good point Michel.  I've always wondered why they mount those things 

backward.  I thought the same thing about sailboats too.  Seems the 

pointy end should be facing aft.


	


Well it depends on what you're trying to do. On a car they're trying 

to make it look sleek, of course, but they also have to kill lift as 

best they can or the top will rip right off, or the whole thing will 

rip off the car. I suspect you'd have the same problem on the Kitfox 

and would want to mount it the way it's mounted on the car. The 

latches aren't really designed to take much load and you'd have to 

come up with a different closure to mount it upside down.

Guy Buchanan

San Diego, CA

K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.

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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too.

Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Mon Jan 28, 2008 1:04 am Post subject: Luggage Pod ideas

 	  Quote: 	
		   From: fox5flyer [fox5flyer(at)idealwifi.net]

I thought the same thing about sailboats too.  Seems the pointy 

 end should be facing aft.


	


Boats have a slightly different problem, Deke; the move at the border of two medium, air and water. When sailing close to the wind, waves meeting the bow have enough energy to put the boat to a near halt. But larger vessels that then meet 'smaller waves' often have today a so-called bulbous bow, which is more hydro-dynamic. The 'perfect' submarine would be shaped like an egg with the blunt side forward, and ending in a tail that would be nine times the length of the egg. At least, that what I read when I was designing yachts. Note that all modern sailboats have a keel with a NACA profile. Even the rudder is often using such a profile. So, there isn't so much difference between the air and the water but ... the waves present a different challenge. The best hull - not for speed but for a pleasant sea motion - is a symetrical hull with the bow slighly rounded ... which is how my sailboat is!  It is based on the traditional Colin Archer type of symetrical hull but it has a modern fin keel with NACA profile. The best of tradition and modern technology. But it won't go as fast as those modern racers that look more like a houswife iron with a wide and flat end. That's the only way to exceed the so-called displacement speed and ease the pulling of the stern wave. But those hulls are potentially dangerous since once upside down, they won't rightene easily, being buoyant stable with the mast pointing down. The sailboat type I have, however, will do a 360 knockdown with no problem at all. In fact one of them even did a pitchpole, i.e. went around over the bow.

At sea just like in the air, it's all a question of compromising; a fast craft vs. a safe craft.



Cheers,

Michel Verheughe

Norway

Kitfox 3 - Jabiru 2200

Do not archive

<pre><b><font size=2 color="#000000" face="courier new,courier">

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_________________
Kitfox 3 - Jabiru 2200

Fox5flyer
Guest

Posted: Mon Jan 28, 2008 4:53 am Post subject: Luggage Pod ideas

Actually, Michel.  I was only kidding about the sailboats and I should have 

put one of those little smiley thing in there, but thanks for the 

explanation anyway.  Very interesting.

Deke Morisse

Mikado Michigan

S5/Subaru/CAP 355+ TT

"The aim of an argument or discussion should not be victory, but progress."

- Joseph Joubert

do not archive

---

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Lynn Matteson

Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

Posted: Mon Jan 28, 2008 5:22 am Post subject: Luggage Pod ideas

On Jan 28, 2008, at 3:59 AM, Michel Verheughe wrote:

 	  Quote: 	
		    look more like a houswife iron


	


   You mean "like an airplane builder's iron" don't you Michel? : )



Lynn Matteson

Grass Lake, Michigan

Kitfox IV Speedster  w/Jabiru 2200

flying w/460+ hrs

do not archive



 	  Quote: 	
		  

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 forums.matronics.com</a>

 www.matronics.com/contribution</a>



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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM

mikeperkins

Joined: 22 May 2007
Posts: 123

Posted: Mon Jan 28, 2008 6:25 am Post subject: Luggage Pod ideas

With a Sears luggage pod pointed either way, I’m not sure what would happen to your aircraft’s center of pressure. But I imagine it would be far from a neutral change. The aircraft baggage pods I recall seeing have been the bullet-nose-and-tail design - there might be a good reason for that shape.   

   

Mike Perkins  

   

      [quote][b]

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Float Flyr

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

Posted: Mon Jan 28, 2008 11:49 am Post subject: Luggage Pod ideas

That shape keeps a high pressure area on the top of the Pod so it won’t tear the top off your car  or cause you to become airborne.  

If mounted upside down on the belly of the plane I would expect it to carry some of its own weight in flight.  The closures would have to be strengthened if you were to put any appreciable weight in it.  

   

The shape I  like is the shape of the Airstream trailers.  I’ve talked to owners and they tell me the Airstream tows a lot better than the normal square jobs.  Possibly a pod with a teardrop shape... big end forward would be optimal.  Something like half an aerodynamic strut.  Just make sure no air can pass between the fuselage and the Pod or it may drag you down.  

   

Motorcycle manufacturers have been for years making removable luggage for their bikes.  That is the sort of quick attach thinking I’d like to see for planes.  Less than a minute to install  and can be carried directly into one of those campgrounds with a number on the door. J  

   

One of my friends told me that he liked the Full-Lotus floats because he could put his fishing rod in the  main tube from the front and it would stay there... no break down required.  I liked the idea so I mounted a piece of 2.5” black PVC tube to the pilot side float strut on my plane .  It holds a fly rod and a spinning rod... looks ok too, sort of like a step to get into the plane.  One of these years I may get around to painting it to match the struts.  Air pressure from the slipstream keeps the rods in... no clips or anything!  I do make a habit of checking my reels are secure before putting the rods in my holder.  It sure makes wetting a line a lot faster... it also makes getting airborne faster.  

   

   

Noel  

       

From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Perkins, Mike

 Sent: Monday, January 28, 2008 10:49 AM

 To: kitfox-list(at)matronics.com

 Subject: Re: Luggage Pod ideas  

  

  

   

With a Sears luggage pod pointed either way, I’m not sure what would happen to your aircraft’s center of pressure. But I imagine it would be far from a neutral change. The aircraft baggage pods I recall seeing have been the bullet-nose-and-tail design - there might be a good reason for that shape.   

   

Mike Perkins  

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

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