Strength of Fulton Fold-away

Pusher

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Sep 2, 2014
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1,273
I have an oddball project. I am considering making a swing away cargo carrier for my camper van. I was thinking of using one of the fulton fold-aways for it. The load capacity for these is listed on the attached site. The style I was thinking of is similar to this https://www.backcountry.com/kuat-pivot-swing-away-extension?CMP_SKU=KUA000V&MER=0406&skid=KUA000V-BK-S2IN&mr:trackingCode=87E9F20C-95F0-E711-8102-005056944E17&mr:referralID=NA&mr:device=m&mr:adType=plaonline&CMP_ID=PLA_GMm001&utm_source=Google&utm_medium=PLA&k_clickid=_k_Cj0KCQiAzePjBRCRARIsAGkrSm5830H-evGYZImahBrURe4N_n9SQ0kAad9IRMzX_PbBQrL0oBz7wpcaApPJEALw_wcB_k_&rmatt=tsid:1042790|cid:213416677|agid:46604953586|tid:pla-384500391821|crid:224496639087|nw:g|rnd:5154316530100030660|dvc:m|adp:1o2|mt:|loc:9033680&gclid=Cj0KCQiAzePjBRCRARIsAGkrSm5830H-evGYZImahBrURe4N_n9SQ0kAad9IRMzX_PbBQrL0oBz7wpcaApPJEALw_wcB

the thing is, I am unsure how the tongue weight and arm distance is measured for this scenario.

It appears for boats, the further from the ball, the less capacity you have. For a swing hitch, the fulton bracket would be in the center of the arm... but I don't know if the physics are the same.

A second issue is that I have a hanging weight instead of the boat's sagging weight.

All of the swinging carriers on the market have a rating of approximately 250 pounds. I would like to get to 350 lbs. Am I arguing with the laws of physics and expecting too much. It seems too coincidental that all the products max out at the same rating.
 

Pusher

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Joined
Sep 2, 2014
Messages
1,273
Does any of the weekend crew have any thoughts?

I'll be out of tax season in 5 weeks and would like to have this project ready to build before camping and fishing season.
 
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