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junkman21 t1_iynknif wrote

Reply to comment by CvilleHokie605 in ZipLine Post by CvilleHokie605

Oh, I see. This pole needs to be at the top. I'd still build a platform if I'm taking on a project like this. Even if it's only a platform 2 or 3 feet off the ground.

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CvilleHokie605 OP t1_iyo4iph wrote

What do you think about 4 6x6s glued and screwed together with the edges sanded round so as to not pinch the cable wrapped around them...

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junkman21 t1_iyoc3a4 wrote

I would think you would need through bolts, washers, and nuts if you want to go that route. You would also need to plane the two faces on each 6x6 that are getting glued for true adhesion.

Screws won't offer anything in terms of structural/shear strength. But I'm not a structural engineer and have never tried anything like this before.

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imnotsoho t1_iyp2v2t wrote

If you go to a professional lumber yard you can get larger beams, how about just 2 6x6 stacked in line with the cable? Guy wire to rear from top and brace in front with a small launch platform. Instead of wrapping the cable, drill a hole and terminate the cable on the uphill side. How are you going to avoid hitting the tree at the bottom?

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CvilleHokie605 OP t1_iyp6te2 wrote

My chosen system has a spring break. What is stronger I wonder: 4 to 6 ea of 2x12s thin side facing the termination point with the line wrapped around them like in the video another guy posted here, or two 6x6s in line with the line through them. Hmm

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