CNC Build -- Right Galley Trim Panel and Left

...ask your questions in the appropriate forums BUT document your build here...preferably in a single thread...dates for updates, are appreciated....

Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Sat Sep 27, 2014 7:56 pm

With the roof out of the way, :chicken: I could move on to skinning the hatch. This was much more straightforward than the roof. The hatch skin is two pieces, an upper and a lower. Both pieces got bent at Custom Sheet Metal. The upper piece got a simple 90 bend along the top edge, and the lower piece got a hem, bend around the bottom hatch board and a transition angle to the hatch surface. Then I pre-bent a curve into both pieces.

Upper:
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The 90 top bend is on the right. EHB tape goes along the bottom edge, shown here on the left.

Lower, drilled for screw holes and ready to goo:
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The lower piece goes on first and gets screwed along the bottom edge:
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The upper piece comes next. Gooed around the edges:
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Top edge:
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I couldn't contain myself... unclamped and peeled:
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Now I can put the taillights back on and wire them up. Almost roadworthy.

While we're on the subject of hatches, I made (another) newbie design mistake. I have three hatch ribs, which means one is in the middle, right where I wanted to put my hatch latch-handle-turny thing. :x . I can move it off center, but still near the middle, or I can put it to one side nearer the edge. What does anyone think about any of this?
I'll burn that bridge when I come to it.

Brad
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby KCStudly » Sat Sep 27, 2014 8:43 pm

capnTelescope wrote:I can move it off center, but still near the middle, or I can put it to one side nearer the edge. What does anyone think about any of this?

Why not move it to the side and add another on the other side to keep it symmetrical?
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby Sheddie » Sat Sep 27, 2014 11:06 pm

Hi Capn.
:oops: I realised that I had done the same thing, fortunately before I had skinned the hatch. I don't know how clearly you can see it in my photo, :pictures: but I added the two pieces of ply at each side of the hatch to mount tail lights and number plate to. On the centre rib where I wanted the handle I checked in a piece of 1/2" ply, about two or three inches square, into the rib to give me an area to screw the base of the handle to, then glued a strip of 1/2" ply about 6" long on each side of the rib to reinforce it and drilled through the centre for the handle shaft. I also cut a slot length wise across the rib for the linkages that work the catches to each side of the hatch. This allowed me to get everything fitted inside the the hatch skins. 8)
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby aggie79 » Sat Sep 27, 2014 11:52 pm

The secret is out. Partially for the same reason I didn't use the center latch handle and used the two draw latches instead.
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Sun Sep 28, 2014 7:40 am

Now I don't feel so all alone. :lol:

I'm going to post a link to this little discussion in the Hatch Research thread.
I'll burn that bridge when I come to it.

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Re: CNC Build -- ...aaaand the hatch is skinned

Postby tony.latham » Sun Sep 28, 2014 1:44 pm

Cap:

This is why we lay awake at night trying to figure out the problems we've created on our builds. Trust me, I've spent many a night working through this stuff.

I'm a side latch guy but I use the Fredrick's style hatch that lends itself to this method. Could you install a couple of rubber latches on the bottom similar to this: http://www.austinhardware.com/shopCartD ... mId=111101 and then add a center handle to lift the hatch? McMasters sell some nice solid SS handles.

On my build for my sis, they wanted a center twist handle but I resisted since they really don't clamp the lid down onto the seals.

Tony
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Mon Sep 29, 2014 10:51 am

tony.latham wrote:Could you install a couple of rubber latches on the bottom...?

This was my second choice. In another failure to plan ahead, I don't have a good place to mount the bottom half of the latch. :(

I will check McMaster-Carr for a lifting handle. This puppy is getting kinda heavy.

Thanks for the $.02! :beer:
I'll burn that bridge when I come to it.

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Re: CNC Build -- ...aaaand the hatch is skinned

Postby aggie79 » Mon Sep 29, 2014 1:27 pm

capnTelescope wrote:I will check McMaster-Carr for a lifting handle. This puppy is getting kinda heavy.


This is what I used: http://shopping.rexmar.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=grablongsmooth

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It's a little spendy but stout.
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Mon Sep 29, 2014 2:16 pm

aggie79 wrote:It's a little spendy but stout.

And sooo much better looking than a stamped garage door handle. :thumbsup:

I was thinking like this:
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This one's Cheap Chinee Chit for $7. :NC I'm still looking...


Late Breaking News:
The Fan-Fan is installed and creating a breeze. Film at eleven. :D
I'll burn that bridge when I come to it.

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Re: CNC Build -- ...aaaand the hatch is skinned

Postby Kharn » Mon Sep 29, 2014 2:24 pm

My work has drawer pulls similar to your intended handle in the break room. The design is less than optimal, people always catch their pockets or belt loops on them.
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby KCStudly » Mon Sep 29, 2014 2:44 pm

I got one of these "oval grip" stainless from McMaster-Carr (http://www.mcmaster.com/#1404a43/=txqqj8). They are a little heavy because it is a pretty good chunk of brushed stainless steel, but they fit the hand so nicely and have nice rounded edges. They come with a separate scuff plate that I do not plan on using.

A similar pull is available in much lighter cast aluminum, with much larger washer faces in a dull gray color and more of an arch to the grip section (http://www.mcmaster.com/#1402a19/=txqsu3), but I didn't like the look or feel of that one as much. I think it might also be available in black.
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Mon Sep 29, 2014 5:58 pm

Kharn wrote:My work has drawer pulls similar to your intended handle in the break room. The design is less than optimal, people always catch their pockets or belt loops on them.

I'm glad you mentioned that, Kharn. :thumbsup: I've taken quite a few pains to get rid of things that want to rip my skin or clothes off. I would have hated that from the get-go. A lot.

KCStudly wrote:... they fit the hand so nicely and have nice rounded edges.

Ooooo!! :lady: I thought these were spendy, then I looked up Tom's. :frightened: I now have a lot more respect for restroom door handles.
I'll burn that bridge when I come to it.

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Re: CNC Build -- ...aaaand the hatch is skinned

Postby GuyllFyre » Mon Sep 29, 2014 6:03 pm

You could always go with a bathroom grab bar.

http://www.homedepot.com/p/MOEN-Home-Ca ... /202044136

Can get them in various lengths and types and they aren't that expensive.
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Re: CNC Build -- ...aaaand the hatch is skinned

Postby tony.latham » Tue Sep 30, 2014 1:23 pm

This is the hatch handle I use: http://www.mcmaster.com/#standard-pull-handles/=ty8ac6

Stout and easy to attach if you've got interior blocking for it.

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Re: CNC Build -- ...aaaand the hatch is skinned

Postby capnTelescope » Tue Sep 30, 2014 6:44 pm

GuyllFyre wrote:You could always go with a bathroom grab bar.

I had that thought before. Even cruised through HD & Lowe's looking. I only saw ones that looked like ... bathroom grab bars. :thumbdown: I don't want to be woke up in the middle of the night by a drunk camper thinking he's in the handicapped stall back there. :frightened: They have a better selection of the designer grab bars on line, and some look pretty good to me.

tony.latham wrote:This is the hatch handle I use...

Oh, good. I couldn't beleive McMaster-Carr only had the ones KC used.

I'm thinking brass/bronze/copper color, whatever the style, to contrast with the aluminum skin.

Thanks, all, for widening my choices. :D
I'll burn that bridge when I come to it.

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