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Old 02-05-2012, 03:31 PM   #1
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Hi folks,
Old grandma, up here in Alaska. Gonna be building my cabin in the spring.
Can I take an axle from a trailer or truck, weld an upright bracket on it, then weld a long fulcrum pole to that, and use it to help me lift my 9" logs?
And how long will my fulcrum need to be?
And can I make a boom extension by drilling holes into the ends of my fulcrum pole, and sliding a smaller tube into it, and drilling matching holes, and using bolts or cotter pins to lock it?
so, will my idea work?
best suggestions for lengths and diameters.
I have to do this by myself, so I gotta have some help here.
I really, REALLY appreciate what you guys got to suggest here.
Thank you all so much!
Grammy

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Old 02-05-2012, 03:37 PM   #2
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Ayuh,.... Howdy Granny,... How long, 'n How Heavy are yer logs,..??

'n if yer gonna be puttin' yer weight onto the fulcrum to lift 'em,...
What do ya weigh,..??

Ya, I know, I know,... But it IS important to the formula...

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Old 02-05-2012, 03:42 PM   #3
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roughly 154 pounds, at 5'6''.
My logs are 9' scribed, one side, nice and dry. Spruce.
My main beam, center log is roughly 30'.
I don't really know how they much they weight because they are all different lengths. I do know I can pick up the ends of all of them, can pick up some of the shorter ones ok, the longer ones are a little difficult, and I probably couldn't get many of them on my shoulder, if that helps any.

Last edited by grasswidow; 02-05-2012 at 05:03 PM.
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Old 02-05-2012, 04:03 PM   #4
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Quote:
Originally Posted by grasswidow
Hi folks,
Old grandma, up here in Alaska. Gonna be building my cabin in the spring.
Can I take an axle from a trailer or truck, weld an upright bracket on it, then weld a long fulcrum pole to that, and use it to help me lift my 9" logs?
And how long will my fulcrum need to be?
And can I make a boom extension by drilling holes into the ends of my fulcrum pole, and sliding a smaller tube into it, and drilling matching holes, and using bolts or cotter pins to lock it?
so, will my idea work?
best suggestions for lengths and diameters.
I have to do this by myself, so I gotta have some help here.
I really, REALLY appreciate what you guys got to suggest here.
Thank you all so much!
Grammy
Nice concept.
You know, that could work!
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Old 02-05-2012, 05:02 PM   #5
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Well. I was misled. I thought people on here were chomping at the bits to share their knowledge and their expertize to help others.
Over 100 people have looked at my post and not person on this construction forum has been able to answer my questions.
Oh well.
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Old 02-05-2012, 05:21 PM   #6
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Quote:
Originally Posted by grasswidow
Well. I was misled. I thought people on here were chomping at the bits to share their knowledge and their expertize to help others.
Over 100 people have looked at my post and not person on this construction forum has been able to answer my questions.
Oh well.
I apologize, but you're asking a rather unusual question that most people don't have an answer for so why respond?
If somebody has knowledge in this area, I'm sure they will post to you.
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Old 02-05-2012, 05:26 PM   #7
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If you can lift one end of each log at a time, lift one end six inches and hold it at that height with a block. Go around to the other end, lift it six inches, and support. Repeat as neccesary. Six inches at a time will get your logs at the height you want them in no time.
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Old 02-05-2012, 05:35 PM   #8
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For your stepped supports, you can use two extra logs as "steps in a ladder". Nail 12" spikes on each log, about one foot apart. Set one end of those logs against your wall, held with some hardware, and let the other ends rest on the ground. Get your next log on the bottom of your "stairs", and lift one end at a time from one spike to the next. When that log is in place, disconnect the top of your "stairs" and attach them again to the log you just put in place, which will be one log higher than the previous setup.
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Old 02-05-2012, 06:44 PM   #9
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Quote:
Originally Posted by grasswidow View Post
Well. I was misled. I thought people on here were chomping at the bits to share their knowledge and their expertize to help others.
Over 100 people have looked at my post and not person on this construction forum has been able to answer my questions.
Oh well.

You didn't even gives us 2 hours to read your post. People don't live on this site. Some of them only check in once a day. With that attitude I wouldn't be surprised if no one responds now.
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Old 02-05-2012, 07:00 PM   #10
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I have never had occasion to lift a log for a log home. However, I did have occasion to install a relatively heavy steel I beam for a header. This is what I did, since I had to do it myself.

1. Install a come-a-long hung from the ceiling joists.
2. Lift the I beam approximately 6 inches at a time on either end.
3. Support the end on a ladder.
4. Move to other side of beam, lift it, support it.
5. Repeat until beam was in position, install.

You could use a similar approach if you have a lifting point which is higher than the log needs to go. That could be done using a movable, welded steel frame, a small crane, or a truck with a vertical I beam welded in position. I have no idea what you have available, but the weight of the log should not be a huge problem. Based on the dimension of 9 inches (I assume you mean nine inches, not 9 feet), your log weighs about 20 lbs/ft. The longest log is 30 feet, or about 600 lbs, so you need to obtain a come-a-long good for half a ton anyway.

And chill about the response time, some of us are watching the super bowl.
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Old 02-05-2012, 07:32 PM   #11
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Very true about the superbowl. It's a freakin' holiday.

See, I told you someone would be along.
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Old 02-05-2012, 09:47 PM   #12
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This should be an entertaining thread to watch.
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Old 02-05-2012, 10:15 PM   #13
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Quote:
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Can I take an axle from a trailer or truck, weld an upright bracket on it, then weld a long fulcrum pole to that, and use it to help me lift my 9" logs?
The axle would be the fulcrum, and the pole would be the lever. That setup would not get you very far, Grandma.

Why don't you ask for help? At your age you can get a hernia just by farting, and you don't want to be out in the woods by yourself unable to stand up, unless you have a death wish.
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Old 02-05-2012, 10:19 PM   #14
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Well... I think somewhat I see what you're suggesting. Never built a log cabin, so I'll look at this as an engineer - and in my case, not a structural engineer, a generic mechanical engineer who works in automotive.

In terms of the construction of your mechanism, you're talking about welding something to an axle. If it's a truck axle with a tube from the differential housing out to the wheel end, that is one of the places that you can weld to the best... Any sheet or plate steel bracketry would be another. Castings may not be as weldable. Especially if you're talking about doing something in the boonies, and that means torch work - I don't know what you're working with, but welding to steel is of course easiest, and if you're talking about axles you might have steel or you might have parts of it that are cast or forged (forgings should be okay to weld to as well)

The bearings are going to be towrds the end of the tube if it's a drive axle, if not you probably won't heat anything that affects the axle's bearings. So anyway, stay away from the bearings if you want to avoid potentially seizing the axle - I assume you're going to want your contraption to still be mobile.

Besides considering how much mechanical advantage you want, you also need to consider how much lift you want.

Are you sure this is the best way to do this, I wouldn't know, my first thought would be getting something like an engine hoist from Harbor Freight.
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Old 02-05-2012, 10:34 PM   #15
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Quote:
Originally Posted by abracaboom

The axle would be the fulcrum, and the pole would be the lever. That setup would not get you very far, Grandma.

Why don't you ask for help? At your age you can get a hernia just by farting, and you don't want to be out in the woods by yourself unable to stand up, unless you have a death wish.
That wasn't very nice.

How do you know she's old? You can be a grandma at 30 years old.

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