How to determine how long supports need to be

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Forum topic by xdavidjx posted 08-19-2018 10:17 PM 933 views 0 times favorited 4 replies Add to Favorites Watch
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1 post in 714 days

08-19-2018 10:17 PM

I’m looking to build a free standing hangboard for my kids. Similar to this, only shorter:

Is there a general rule or formula to determine how long the leg supports need to be to in relation to the height to ensure the structure is stable?


4 replies so far

View Scap's profile


122 posts in 726 days

#1 posted 08-20-2018 12:29 AM

OSHA says 4:1 for extension ladders.
I’d think that would be a good starting ratio for the supports.

4’ high would be a 2’ on center leg, 1’ front and 1’ back.

View HokieKen's profile


14465 posts in 1937 days

#2 posted 08-22-2018 01:15 PM

I’d like to build a hangboard for my kid sometimes too. Oh, wait…. nevermind, that’s a whole different thing ;-))

-- Kenny, SW VA, Go Hokies!!!

View ScottM's profile


747 posts in 2946 days

#3 posted 08-22-2018 01:23 PM

I d like to build a hangboard for my kid sometimes too. Oh, wait…. nevermind, that s a whole different thing ;-))

- HokieKen

I thought the same thing when I read the thread title!!!

View BroncoBrian's profile


894 posts in 2757 days

#4 posted 08-22-2018 02:33 PM

It only has to balance for a few seconds. It looks like yours is missing a few parts?

-- A severed foot is the ultimate stocking stuffer.

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