[PSUBS-MAILIST] Gantry lift

[swaters]

Sounds good. I will see if I can get it.
Thanks,
Scott Waters




Sent from my U.S. Cellular© Smartphonehank pronk <hanker_20032000 at yahoo.ca> wrote:Scott,
There are many options, I go be experience because I am not an engineer.   You are best to get the info from an engineer or copy one that is rated.  The gantry in Texas is a bargain, it will cost you that in material and time.
Hank
On Monday, March 31, 2014 4:36:26 PM, "swaters at waters-ks.com" <swaters at waters-ks.com> wrote:
Hank,
Is there different sizes of I beams? When I called the steal place they asked me what is the weight per foot?
 
Jim,
I contacted the that is selling the lifts from Texas. That might just work better.
 
Thanks,
Scott Waters 
 
-------- Original Message --------
Subject: Re: [PSUBS-MAILIST] Gantry lift
From: hank pronk <hanker_20032000 at yahoo.ca>
Date: Mon, March 31, 2014 1:31 pm
To: Personal Submersibles General Discussion
<personal_submersibles at psubs.org>

Scott,
You should not make the same mistake I made, 8 feet is not enough.  Go with at least 9 feet inside. 
I use a 8,000lb warren winch with a single pully block and that is perfect.  I have to build a new gantry because I built mine with stuff I had instead of buying proper material.  I am building A frames with 2in square 1/4 wall.  Then a 10in I beam across the top with a 10 foot span.
Hank
On Monday, March 31, 2014 2:09:55 PM, "swaters at waters-ks.com" <swaters at waters-ks.com> wrote:
Hey guys,
 
I am wanting to build a gantry lift in my shop so I can put my sub on the trailer and take it back off the trailer without having to pay to rent a telehandler. It would need to hold the sub (4500 lbs) plus a little extra. I was thinking of building it out of I beams. I know nothing about structural design with I beams but I believe it should be pretty easy. The gantry lift would be 9' tall and 8' wide. What size I beams should I use?
 
Also what is the best kind of winch or block and tackle device to use that is inexpensive?
 
Thanks for the help,
Scott Waters

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