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XL Landing Gear

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sky_ranger161

Joined: 07 Jun 2006
Posts: 91

Posted: Mon Oct 08, 2007 4:32 am Post subject: XL Landing Gear

Hi guys,

   

  Has anyone out there bent their own landing gear? I've searched the archives and Google and I'm not coming up with much. If you had it done, let me know where if you wouldn't mind. Thanks - just thinking ahead.

   

  Debo Cox

  Scratch-built XL/Corvair

  Nags Head, NC

   

  do not archive



 [quote][b]

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ashontz

Joined: 27 Dec 2006
Posts: 723

Posted: Mon Oct 08, 2007 6:52 am Post subject: Re: XL Landing Gear

I believe Scott Laughlin has at www.cooknwithgas.com. I believe he said he just used a 12-ton shop press cold bent it and put a 1/8 radius on the edges beforehand. I can see the 1/8 radius as being necessary (and I believe per the plans) so you don't initiate a crack.



[quote="sky_ranger161"]Hi guys,

   

  Has anyone out there bent their own landing gear? I've searched the archives and Google and I'm not coming up with much. If you had it done, let me know where if you wouldn't mind. Thanks - just thinking ahead.

   

  Debo Cox

  Scratch-built XL/Corvair

  Nags Head, NC

   

  do not archive



  	  Quote: 	
		  [b]

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tigermiller

Joined: 09 May 2007
Posts: 11
Location: Omaha, NE

Posted: Tue Oct 09, 2007 2:06 pm Post subject: Re: XL Landing Gear

Debo,  I haven't bent mine yet, but it is cut, radiused and ready to bend.  I've done test bends on my 12 ton Taiwan press, it it seems to work fine.  Don't know how the full width gear will bend, but according to my calculations, I should be able to bend it with the 12 ton press.  I made a special bending fixture with two steel rollers on it about 8 inches apart.  I'm using a 6 inch diameter piece of aluminum billet to form the inside radius.  When I actually bend it, I'll post something, but it'll be awhile.  I don't need the gear for quite awhile, and if bent up, it's a pain to store.

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_________________
Dave Miller

planecrazydld(at)yahoo.co
Guest

Posted: Tue Oct 09, 2007 2:43 pm Post subject: XL Landing Gear

I would suggest that you build a centering jig so that regardless if the bend center is per plan or not at least the second bend will be symmetrical. Another jig to determine the bend depth and a third and fourth to do the axle bends as well. Also remember that if you creep up on the bend amount on the first side, you need to creep up on the second side as well as creeping up on a bend angle and doing it in one shot has the possibility of different results...

 

  Dave Downey

 Harleysville (SE) PA

 100 HP Corvair



 



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shilcom

Joined: 28 Sep 2007
Posts: 63

Posted: Tue Oct 09, 2007 6:06 pm Post subject: XL Landing Gear

Will the gear be heat treated after you bend  it?  Bob U. 

 [quote]   ---

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Joemotis(at)aol.com
Guest

Posted: Tue Oct 09, 2007 6:14 pm Post subject: XL Landing Gear

Hi Dave,

  

 As a builder of 3 arbor presses ,I would be grateful for a picture of your  601 XL landing gear  jig!

  

 Joe Motis

  

 Do not archive



See wh [quote][b]

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sky_ranger161

Joined: 07 Jun 2006
Posts: 91

Posted: Wed Oct 10, 2007 2:52 am Post subject: XL Landing Gear

Hey Dave,

   

  That sounds like exactly what I was thinking would work. I'm still a long way from bending mine, but would love to see the pics and read the details of your method when you make it happen. Good luck with it!

   

  Debo Cox

  Scratch-built XL/Corvair

  Nags Head, NC

   

  do not archive



 [quote][b]

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planecrazydld(at)yahoo.co
Guest

Posted: Wed Oct 10, 2007 1:57 pm Post subject: XL Landing Gear

In case anyone was referring to my comments about bending the Zodiac gear, I am not building anymore due to a family crisis. I have bent heavy plate before in the past though and it is not to be feared. Make sure that the edges of the blank are perfectly smooth (and preferrably radiused), and that the part is located repeatably and you will be fine. 

  

 I do not have any photos of previous setups - I apologize.

 

  Dave Downey

 Harleysville (SE) PA

 100 HP Corvair



 



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