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post #21 of 70 (permalink) Old 01-21-2020, 01:56 PM
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To make sure the rungs are parallel and square, I think you must use a square to make sure the bottom of both rails of the ladder are exactly even. Given the care you've taken to get the steps parallel on each side, that should give you a nice, square result.

Long working time, slow setting time on the glue!!!!! You don't want to be rushed unnecessarily during glue up. Trial fit everything first without glue to spot anything that will give you problems once glue is applied.

Stick showed a picture of some steel, right angle braces that are maybe 2 inches long on each side. These will be out of the way and all but invisible, or, you can paint the hardware black so they become a feature instead of just hiding them. As stick said, this will be VERY strong and will also prevent wracking. If you use these, make sure you use sizable sood screws that fit tight in the holes in the hardware. I'd use star drive type heads so you're less likely to scar the wood if you slip, which is more likely with phillips head screws. You could also use hex head screws which would all but eliminate damage from driver slips.

I would spray paint the angled hardware and screw/bolt heads before assembly and touch them up if needed.

I mentioned the height issue if someone falls. There is a formula that states a 1 story fall, landing on your feet will cause some shock and minor injuries--more serious if the child doesn't land on their feet. From two stories, a fall will often cause severe joint damage, or if the landing is not on your feet, you riks breaking bones, or hitting your head or other vital spots on objects below--a bike or tricycle for example. From 3 stories, something is going to break, period. Four stories often is fatal and five is nearly always fatal. If a child parks their tricycle near the bottom of the ladder, a slip or fall could easily change that child's life forever, if they fall onto the bike. Same applies to any restraining structures that could be in the path of the fall.

Another safety feature, to me, would be some friction type tape on the rungs of the ladder. It's pretty cheap and HD has it. It looks nice too. Certainly a painted or slick finish material will increase the chance some over excited kid misses a step, slips, and falls. If that happens, even with only minor injuries, mom will have you over immediately to remove it.

Don't mean to harp on this safety thing, but as with all things, the devil is in the details. You have pre planned really well on the construction and really, that is a beautiful project and the kids will surely love it. As a kid, you couldn't have kept me off it.

Love this picture, and it's similar to what you're building, but imagine a couple of bikes below and kids running around, making a ruckus that distracts the climber.
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post #22 of 70 (permalink) Old 01-21-2020, 03:44 PM Thread Starter
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Originally Posted by Stick486 View Post
SEE PAGE 2....
You don't want fast grab...
and all you need to know is in the link I gave you...
open time is 15~20 minuets..
reposition time is 30~45 minuets...

.
Thanks, Stick. I was working from my phone at the time and didn't look up the link you sent. I had gone to it when at home on my computer, but did not see a link to the data you attached to your other reply. So, thanks.

Rick

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post #23 of 70 (permalink) Old 01-21-2020, 03:53 PM Thread Starter
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clean dress the bit anyways....

and this is what I mean by clipping...

....
Yes, I get it now. I'll do it like that. I like the round over aspect also. Thanks.

Rick

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post #24 of 70 (permalink) Old 01-21-2020, 05:48 PM
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Thanks, Stick. I was working from my phone at the time and didn't look up the link you sent. I had gone to it when at home on my computer, but did not see a link to the data you attached to your other reply. So, thanks.

Rick
that PDF is from the link...
it was way down the page ...
there's others...
ya gotta scroll...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #25 of 70 (permalink) Old 01-21-2020, 06:03 PM
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the more I look at your ladder/stairs pics... Q's arise...

what will you do for a non-skid tread surface???
how will you stop the kids from running down them face first...
face first mode will the upper tread outer edge rub against the kids calf or force the foot forward/out so that only part of the heel catches the next rung down...
this is when/where falls and broken bones/ankles happen...
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #26 of 70 (permalink) Old 01-21-2020, 10:48 PM Thread Starter
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Default Trial Fit

Well, the ladder pieces do fit together, but not without some persuasion (no surprise).

Some of the issues I found (again, none are any surprise really):

1) I made the pockets too tight,
2) Some of the rung boards have warped,
3) Both of the stringers are warped (not badly, but enough to present minor challenges),
4) Assembly will be some work but will be a real pain unless I relieve some of the binding,
5) Assembly will take some careful planning and probably a couple trial fits to run through the process.

But, considering the above, it went together a lot easier than it might have. I did not attempt to get anything square, just wanted to see how things fit. The rungs are out of square by about 3/8".

It is a heavy beast, but I knew that would be the case.

I am fairly stoked.

Rick
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post #27 of 70 (permalink) Old 01-21-2020, 11:02 PM Thread Starter
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Default Safety Issues

I appreciate the questions and expressions of concern about safety. I cannot eliminate many of these issues and probably can only deal with a few. I can find some good non-skid tread material and put that on. Some attempts at educating the kid(s) will be made, but we all know when they get excited, they forget all that. I can find a good supply of wood chips and lay a deep bed around the base, recessed to be level with the ground surface.

On one level, I am not concerned, when I think about what is there now - that her mother put up. Two halves of an above ground pool ladder, tied to two 2x2s and tied at the top. I saw that and decide immediately that I had to build something safer. For sure, I needed something that I could climb, let alone make it safe for the kids from a sturdiness perspective.

I don't know what can be done about some of the concerns expressed. There will not be a cage that goes on it. If you notice in the photo, there is fresh lumber making a railing around a protruding part of the floor. That was a launch platform for a rope swing that the previous occupants/owners had for their kid and her friends. I put up the railing up and I think the rope swing will not be re-activated. The orchard ladder is there for installation of the railing and will go away.

Rick
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post #28 of 70 (permalink) Old 01-21-2020, 11:22 PM
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the easiest way to ''fix'' the tight dado is to shallow rabbet (cross grain) the tread... best to put it on the bottom of the tread...
you want a nice easy fit but not snug to let the adhesive do it's thing...
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
Stick486 is online now  
post #29 of 70 (permalink) Old 01-21-2020, 11:57 PM
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At the top of the ladder you could put something like the little platform next to the pool ladder. That would form a cage, and you could put a simple trap door (if you want to get fancy) So the kids are climbing through, so the cage is part of the fun? I think you will also need some kind of handle up top for the kids to grab to pull them forward as they get off the ladder at the top. That will prevent falling backward. And you can make the cage large enough for an adult to get up there. I also think a cage with an opening will discourage the kids from going down facing forward.

The assembled ladder in the picture clearly is a ladder, not a staircase. It will sit at a pretty vertical angle. If a child tries to walk down, they will have a problem holding onto the rail, which will likely discourage stair stepping.

I do like the idea of the wood chips, but again, that will hold moisture so I'd definitely lay down a sizable chunk of synthetic decking for the ladder to sit on.

Only thing now is that I want something like this in my backyard. A small space where I can take my laptop and look out over the yard during summer. Might even run a little power and put in windows and insulation for a AC. Only need one circuit for that. None of my trees are big enough to support a treehouse, so if I do it, I'l use four 6x6s set deep in concrete. But then, my wife will demand a small art studio out there. Life gets complicated, doesn't it.

The more I do, the less I accomplish.

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post #30 of 70 (permalink) Old 01-22-2020, 12:32 AM
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What stick suggested about rabbeting the step slightly is right on as usual. If you have a block plane or shoulder plane, that will make short work of it--likely just a couple of strokes. Or you could do it with fairly coarse sandpaper glued to a piece of wood would do but won't take off very much at a time. .

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