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Hangar winch

 
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Gordon Anderson



Joined: 16 Apr 2012
Posts: 41
Location: Switzerland

PostPosted: Thu Mar 05, 2020 8:26 am    Post subject: Hangar winch Reply with quote

Dear all,

I have an option on a T-hangar which needs the plane to be moved uphill, tail first, into a narrow space (8 inch clearance each side of the HS). Doing this alone by hand with a Bogi-Bar is likely to result in tail damage sooner rather than later.

The hangar already has an electric winch installed, which is slow enough but has a pretty brutal yank when starting.

I’m thinking of attaching the winch cable with a bungee to the top of the nose gear leg, and passing the cable through a karabiner in the tail tie-down to pull the tail straight without exerting any axial force on it. I would still need a dolly for the nose wheel or push the tail down to keep the nosewheel off the ground whilst moving. Those options seem complex / impractical.

It’s nice to work the brain again so long after the build is complete, but if someone has already got a great idea or experience I’m happy to borrow!

Cheers to all from a rather rainy Switzerland.

Gordon

HB-YVJ 41015


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whodja



Joined: 27 Jan 2014
Posts: 48
Location: Apex NC (near Raleigh)

PostPosted: Sat Mar 07, 2020 4:48 am    Post subject: Re: Hangar winch Reply with quote

RUGCEL WINCH Waterproof IP68 Electric Winch with Hawse Fairlead,Steel Wire Rope, 2 Wired Handle and 2 Wireless Remote (3500 lb.Load Capacity) https://www.amazon.com/dp/B07MZJ76NF/ref=cm_sw_r_cp_tai_7D5yEb9Q03JBV

This is the winch I installed. Inexpensive and works great.

Tal Holloway


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bob88



Joined: 24 Feb 2013
Posts: 98

PostPosted: Tue Mar 31, 2020 4:19 am    Post subject: Re: Hangar winch Reply with quote

I also have the uphill problem and would like some more detail on your setup. First, this is a 12 v winch; what is your power source? How is it mounted? I don't have structure on the hangar wall and would have to anchor it to the floor; do you think that would work? Where do you hook it to the plane; tail tie down or elsewhere? Do you have to steer the nose wheel with a towbar while winching? Thanks for your ideas and experience on this.

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Tim Olson



Joined: 25 Jan 2007
Posts: 2811

PostPosted: Tue Mar 31, 2020 5:17 am    Post subject: Hangar winch Reply with quote

I will fill you in on what I use.  I've had a couple iterations over the
many years.

Originally, I had a cheap harbor freight 12V winch with a key fob
remote.  It did
work, but it was irritating because of a couple things.  First, if you
get a winch
that can run continuously after hitting "retract" you have to be careful
in a T-Hangar
because it wouldn't be that hard to have it get out of alignment and
smack the
tail on the corner or snag a wingtip. Well, my 12V winch didn't run
continuously,
but it only ran for like 1 second per push.  The problem with that one
was that
you had to repeatedly push the button and it was super slow.  Also, the
winch
was poor quality and jammed on me a couple times.
It did work, and I ran it with one of my used PC925 batteries out of the
RV-10.

Later on, however, I finally got what I really wanted.  Harbor freight sells
electric hoists with remote controls.  They sell 440lb, 880lb, 1300lb and
2000lb models.
https://www.harborfreight.com/material-handling/ropes-chains-hoists/hoists-cranes.html
Back when I bought mine, I got the 880 or 1300lb model...can't remember
which,
but it was because the spec sheet said it was faster than the one below it.
Now they all seem to say that the single line speed is 33 fpm.  If
that's true, than
even the smallest one would do.  33fpm is much faster than my old 12V winch.

With this hoist, I have a system that runs fast enough that it doesn't
take forever
and moves about the right speed.  You could extend the remote easy enough
by connecting in a longer cable,  or I think they may even sell a remote
adapter for some of them.   I didn't want a long remote cable because if
you mount
this by the tail, you'd be looking at maybe 60' of length that you'd have to
string out to use it.  So I did it a little differently.  I chopped off
the remote,
connected in an Arduino style wireless controller with relay board, and
substituted
the remote for a web controlled system.  I have wifi in the hangar so making
it run with web urls meant that I could do some custom things like make
controlled retract times and such.  So I can click a button and say I want
1/5/10/15/30 seconds of retract time, and it just goes.  I also have
stop control
at any point.  The hoist itself works real well and I'm happy with it
for when
I need it.  If there is ice on the ramp, there's no other way I could
get the plane
in.  I do think that for most people, I'd look into the wireless remotes you
can hook to these things. I think they're available...maybe not from Harbor
Freight, but I think you can get them.

To mount them, you really would have a couple choices. If your back wall
is tough
you could mount it there.  Mine isn't.  So what I did was this:

I used a masonry saw blade and cut a 12"x12" square out of my hangar floor
asphalt.  I then dug out a cube about 12"x12"x12" out of the ground, and
bought a couple turnbuckles that are about a foot long with 1/2" threaded
eyelets on them.  I stood those up so the turnbuckle would be flush with the
floor, mixed a bag or two of concrete, and poured it in level.  Now I have 2
threaded sockets in the floor that I can screw bolts into.  Make sure you
put the turnbuckle in the right way, because otherwise one end uses reverse
threads.  I can't remember exactly how the hoist is bolted to the
floor...but
I think I just have a piece of steel or wood bolted to the hoist that
has holes
for those floor sockets.  So I just set the hoist on the floor and spin
a couple
of retaining bolts in, plug it in, and it's ready to go.  I only need to use
it a handful of times a year, so I don't leave it on the floor permanently.

As far as usage goes, I hook it to the tail tiedown.  I didn't want to
accidentally
crank the airplane to the floor, so I have a section of rope that I
connect to the
plane, that connects to the winch hook. You do still have to steer the nose
while winching.  The tail tiedown is plenty strong for this.  The
rolling load
of the RV-10 is not really all that high.  Think about how those towbar
pins are...they're just the black oxide bolts in an aluminum fork. Those
aren't all that much stronger than the tail tiedown and you don't
have to push/pull with thousands of pounds of force to tow a plane...only
maybe a couple hundred max.

The hoist to me seems like a much more ideal device than the winches,
if you can get a good control for it that is extended.  Whatever you get,
make sure you can have the controller in hand or on you while you
run it, even if it takes some ingenuity.

Tim

On 3/31/2020 7:19 AM, bob88 wrote:
Quote:


I also have the uphill problem and would like some more detail on your setup. First, this is a 12 v winch; what is your power source? How is it mounted? I don't have structure on the hangar wall and would have to anchor it to the floor; do you think that would work? Where do you hook it to the plane; tail tie down or elsewhere? Do you have to steer the nose wheel with a towbar while winching? Thanks for your ideas and experience on this.


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=495491#495491



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bob88



Joined: 24 Feb 2013
Posts: 98

PostPosted: Tue Mar 31, 2020 7:29 am    Post subject: Re: Hangar winch Reply with quote

Thanks Tim...

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