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Posted

You should use the solid forged eyebolts, if a t storm comes by, it will unbend those eyebolts. There is a reason Mooney chose the eyebolts they did. You can get them from most high end hardware stores or McMaster Carr.

 

http://www.mcmaster.com/#general-purpose-eyebolts/=lisnc8

 

These are rated at 900 Lbs of holding force, the ones you show are not rated for holding force.

Not a bad idea.  I think I'll do that.

Posted

If your tie down ropes are directly under the tie downs  than the factory eyes are stronger , if your tie down ropes are more than two feet outboard of your tie downs than the Lasar eyes are stronger , either way they are stronger than the ropes and the internal bracket in the wing.....

Posted

Those LASAR tie down ropes are quite thin metal (about 1/16").  I think in a hurricane they would saw through a rope.  Chain would be OK.

 

I am a bit for overkill so our standard tie down set is LASAR wing tie downs with 7,300# rope and our hurricane plan (aside from a NAPA valley wine tasting weekend) is the 19,000# Amsteel rope and the factory tie downs.  I am pretty sure 19K would rip the threads smooth out of the wing, and if not, it would pull the spar out of the wing.

Posted

Seriously, both planes on each side have those cheap, crappy Home Depot orange racheting tie down straps.  One plane's are rusty and the orange strap is faded and ragged.  Those things are only rated to 400# when new.

 

Those planes are Cessna's BTW.

Posted

A hurricane, wind and associated deluge is coming and you let your airplane sit on the ramp worrying of the tie-downs will hold up?   :angry:  

Posted

Somewhere I've got a bunch of pictures of almost 75 planes destroyed at my home drome. One hit was hurricane Wilma and the other was a tornado. Strapping your plane down well just makes it a stationary target. I was in an old cinder block + steel hanger. Not a scratch. Otherwise I'd fly out and pray I was headed away from the storm track.

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  • 2 weeks later...
Posted

You can get the real parts from McMaster Carr for $6.50 each or from Mooney for about $60.00 each.

 

 

...but the Mooney ones are painted  :D

Posted

You should use the solid forged eyebolts, if a t storm comes by, it will unbend those eyebolts. There is a reason Mooney chose the eyebolts they did. You can get them from most high end hardware stores or McMaster Carr.

 

http://www.mcmaster.com/#general-purpose-eyebolts/=lisnc8

 

These are rated at 900 Lbs of holding force, the ones you show are not rated for holding force.

 

I'm not seeing them here. I bought some eyebolts from a hardware store and they bent while the plane was tied down on the ramp. :-( mcmaster doesn't have much selection in the "FOR LIFTING" for 1/4 x 28. Are you sure that's the correct thread pitch? 

Posted

Seems like the only time I ever use tiedowns is when I stop somewhere for a short duration, if I stay overnite somewhere I almost always have it put in a hangar. I always want to be in the back of our hangar so no one touches it, even if i have a Baron to move when I fly. Am I too over protective? If I trade up how will I ever get up the courage to leave it at a strange airport on trips????

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