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How to determine how long supports need to be

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Forum topic by xdavidjx posted 08-19-2018 10:17 PM 338 views 0 times favorited 4 replies Add to Favorites Watch
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xdavidjx

1 post in 32 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?

thanks.


4 replies so far

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Scap

22 posts in 43 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.

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HokieKen

6159 posts in 1255 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!!!

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ScottM

671 posts in 2263 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!!!

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BroncoBrian

754 posts in 2075 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?

-- I'd like to see a forklift lift a crate of forks. It'd be so damn literal!

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