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Well THIS was exciting... and unexpected... and dangerous!!!

Without the flat bar straps the leverage of tension on the bolts at the bottom of the mast is Phenomenal!

The Flat Bars work like the Strut rods work on your lower control arms.

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Maybe but not enough of a triangle to make much strength.

I think I have a handle on triangulation... unless you have some kind of opinion on my fab skills on this old dirt car chassis I have redone

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Sorry forbthe upside down photo
Flipped for you by Mod.
 
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It doesn't take much to topple the mast on the hoist.

It also doesn't take much to properly triangulate it.

But I guess you're smarter than EVERY engineer who designed a cherry picker hoist.
 
I'm not a mechanical engineer.

I've guesstimated the distance your engine was from the fulcrum (red line I drew in a previous post).

Without the straps there is an unnecessary class 1 leverage vertical load on the base bolts, that shows now in the twisted ~2" x 4" flat plates at the base.

If your motor was 6' from the base.

2025-10-30 at 01-31-35 Lever Force Calculator.png
 
Maybe but not enough of a triangle to make much strength.

I think I have a handle on triangulation... unless you have some kind of opinion on my fab skills on this old dirt car chassis I have redone

You be you, but if it was me I'd take the L on this one and move on.
 
Wow. One reason I stopped using those decades ago. One reason why I just use my John Deere with the loader bucket off. Just push or pull the joy stick around with zero chance of tipping… I just moved from one storage unit to another and had 8 big block engines 4 with transmissions still attached. No issues. Had NO-ONE was hurt!
 
Wow. One reason I stopped using those decades ago. One reason why I just use my John Deere with the loader bucket off. Just push or pull the joy stick around with zero chance of tipping… I just moved from one storage unit to another and had 8 big block engines 4 with transmissions still attached. No issues. Had NO-ONE was hurt!
First time I ever used one was my last time. Hated it and got a chain fall and hung it up in the rafters and works well so long as the vehicle will roll. Got a picker years ago to lift stuff as I got older but it was in the way more than it wasn't so I sold it. Have two chain falls since about 35 years ago....
 
I had similar happen to me
My engine hoist is a bit of overkill
but the engine stand I bought years ago wasn't
and knowing how it was back then, budget probably had me going for cheaper
Fortunately the only real damage was to the Vibration Damper installer, the spark plugs, and the paint
The concrete wasn't too happy either

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I’m glad no one was hurt! Hopefully you can salvage most of the engine parts.

Flat stock is very strong in tension, just not compression. Old bridges use flat stock (large scale) in the same application. Looking at the orientation of the hoist the straps are always under tension, as previously noted it takes the stress off of the mounting bolts. Without the straps it’s trying to twist the nut/bolt head off.

The fact the bolts were undersized is a double whammy.

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I went to an HVAC seminar years ago for gas fired furnaces. This was a refresher course and most of the techs were licensed guys with years of experience. The presenter said something at the start of the meeting, which I will never forget, when there was some chatter while he was speaking. He said "for all you arrogant techicians here that think they know everything, leave now as you have nothing left to learn from me". No one left.
 
Yes, first off thank God everyone is ok! :praying:

As an aside, one thing I've noticed here the last few odd months of my self-imposed limited participation in the Forum
is how sometimes folks get a little caught up in minor bug-tussles with one another over topics of the day.
I mean, I've been known to engage in such myself and all, mind you...but now, more as a sometimes-interested
bystander reading the proceedings, I realize it's often who I recognize as the "good guys" involved.
I also have come to understand these back-and-forths ain't as serious as I used to take them sometimes, too...

That said, to this thread in specific:
I could feel for @Krooser in this one as the "corrections" started flying back in response to his sharing of his
story and could almost predict the defensive posture a fella gets into when all the critics ("experts"?)
reply with all the ways they'd have "done it better" or how his rig was inferior or whatever.
All I'm saying is perspective is everything for me these days - and it's certainly been an eye-opener personally
when interacting with this forum in recent months, so I get it.
All that said, y'all DO look after one another better than most groups I've encountered in this life.
Human nature, eh? What a hoot. :thumbsup:

Oh, about the cherry picker?
No expert here, but when I got my current one over 15 years ago, my brother decided I'd taken too many risks
with the incredibly old, rusted hulk of a mess I'd been using (when it broke picking up a big block, I'd just stick
it back together with some more sloppy welds usually) and bought me a brandy-new one from the local big box
Chinesium emporium.
He made sure I knew it wasn't their cheapest model, just the next-to-cheapest one. :lol:

One thing I found annoying at first (and damn odd, since I'd never seen it before) was that odd little caster wheel
located on front of the base of where the mast is bolted on. It's adjustable for height, but it seemed to always be dragging
and getting in the way, so I usually just kept it backed off the floor - thinking that it couldn't possibly be worth anything
in the process.
Silly me - the Chinese never tack on crutches on things that don't need them, turns out - which I got a slight taste of
the first time I went to pick up the 440, cast iron bell + innards and the 18-spline....
That was the first time I'd felt the shiny new hoist actually strain some, enough to make me uncomfortable.
The legs aren't extendable on the dang thing, so to keep the load inside them a bit, I had to keep the boom at
the "1000 lb" pin indicator (which we all know is pushing things a bit) so what the heck, I thought - might be
time to deploy that little wheel after all?


new engine and tranny ready 2 3-24-17.jpg

(See that little wheel on an adjustable square tube back there?)
I'll be danged. Turns out, that little rascal DOES do "something" and the Chinese no doubt put it there to make up for
other design shortcuts (like non-extendable legs, perhaps?).
The rig got noticeably stronger, less wobbly - and I was able to install the whole mess in one shot by myself one
evening when the wife was out of town.

Boy, was she mad when she got back home - admittedly, rightfully so - but nothing got dropped and nothing fell on
me (for a change).
Token smug look the next day, once I could manage to walk back out to the garage:
happy ed 3-26-17.jpg
Footnotes:
1. Yes, you'll see the apparently VERY important "straps" on the lift, as others have mentioned.
2. Yes....before you smart-asses ask, copious numbers of JACK STANDS were employed in the exercise.
3. No - under no circumstances am I stating that this lift is "any count", nor are my methods approvable.


Best of luck to Krooser in his project and as Dennis said, I'm just lurking to learn around here...:thumbsup:
 
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