Warbird Information Exchange

DISCLAIMER: The views expressed on this site are the responsibility of the poster and do not reflect the views of the management.
It is currently Tue Apr 07, 2020 8:49 am

All times are UTC - 5 hours


Classic Wings Magazine WWII Naval Aviation Research Pacific Luftwaffe Resource Center
When Hollywood Ruled The Skies - Volumes 1 through 4 by Bruce Oriss


Post new topic Reply to topic  [ 6 posts ] 
Author Message
PostPosted: Wed May 20, 2009 8:35 pm 
Offline
User avatar

Joined: Fri Jun 29, 2007 8:59 pm
Posts: 58
Location: SoCal USA
Does anyone know the purpose of the restraining cables between the outboard main gear doors and and the struts on the Grumman Bearcat? Are these maybe to keep control of the doors (i.e. keep them from deforming or departing the aircraft) if you exceed max gear-down speed, which I understand is quite easy to do?

Image


Last edited by octane130 on Wed May 20, 2009 9:47 pm, edited 1 time in total.

Top
 Profile  
 
 Post subject:
PostPosted: Wed May 20, 2009 9:30 pm 
Offline
Co-MVP - 2006
User avatar

Joined: Fri Nov 18, 2005 10:39 am
Posts: 4468
Location: Midland, TX Yee-haw.
Good question and good guesses, but what that cable does is it actually pulls the lower portion of the gear leg back into the upper portion when the gear is retracted. In other words, the gear struts extend so far (because they're built to land on carriers) that if they weren't pulled back "in," the tires would meet in the middle when the gear is retracted. Does any of that make sense?

Howard Pardue's -1 Bearcat has a spring loaded mechanism that looks more like a shimmy dampner that you'd find on a Spam can or something.

Also, the Corsair and the Helldiver have a very similar setup, using cables to "compress" the gear upon retraction, so it will fit in the wells. NEVER let a line guy convince you to air up the struts on your Corsair, Bearcat, or Helldiver, by sight, as this will potentially put enough pressure on the strut that it can break the cable, causing the gear to "miss" the wheel well and make your sheet metal guy pretty mad. ;-)

Gary


Top
 Profile  
 
 Post subject:
PostPosted: Wed May 20, 2009 9:45 pm 
Offline
User avatar

Joined: Fri Jun 29, 2007 8:59 pm
Posts: 58
Location: SoCal USA
retroaviation wrote:
Good question and good guesses, but what that cable does is it actually pulls the lower portion of the gear leg back into the upper portion when the gear is retracted. In other words, the gear struts extend so far (because they're built to land on carriers) that if they weren't pulled back "in," the tires would meet in the middle when the gear is retracted. Does any of that make sense?

RETROAVIATION: Your explanation absolutely makes sense; I'm a technical guy, but I would have never guessed that explanation myself though :lol:. Question answered. Keep up the good work with your Fifi posts and all the others. Believe me, your posts are just fascinating and well appreciated. :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Wed May 20, 2009 10:02 pm 
Offline
3000+ Post Club
3000+ Post Club

Joined: Fri Sep 17, 2004 9:33 pm
Posts: 4519
Location: refugee in Pasa-GD-dena, Texas
Ditto! Thanks for 'splainin Retro! :D

_________________
He bowls overhand...He is the most interesting man in the world.
"In Peace Japan Breeds War", Eckstein, Harper and Bros., 3rd ed. 1943(1927, 1928,1942)
"Leave it to ol' Slim. I got ideas...and they're all vile, baby." South Dakota Slim
"Ahh..."The Deuce", 28,000 pounds of motherly love." quote from some Grunt on CH-37
DBF


Top
 Profile  
 
 Post subject:
PostPosted: Thu May 21, 2009 8:43 am 
Offline
Co-MVP - 2006
User avatar

Joined: Fri Nov 18, 2005 10:39 am
Posts: 4468
Location: Midland, TX Yee-haw.
Glad to help. :-)

Gary


Top
 Profile  
 
 Post subject:
PostPosted: Thu May 21, 2009 1:29 pm 
Offline
3000+ Post Club
3000+ Post Club
User avatar

Joined: Mon Nov 08, 2004 10:18 pm
Posts: 3028
Location: Phoenix, Az
That is something that is not limited to Warbirds, the Bellanca Viking uses a cable to compress the strut to fit it into the wheel well. that is one plane you check the pressure in the struts when you are done servicing it.

_________________
Matt Gunsch, A&P, IA, Warbird maint and restorations
Jack, You have Debauched my sloth !!!!!!
We tried voting with the Ballot box, When do we start voting from the Ammo box, and am I allowed only one vote ?
https://www.facebook.com/shoot.the.guns.of.history


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 6 posts ] 

All times are UTC - 5 hours


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group