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Post  GallopingGhostler Mon Jan 23, 2023 12:03 pm

I bought some camouflage nylon parachute material nylon for C/L covering. Read a bit on using nylon as a replacement for silk. Haven't put it to the test. But, on a WW1 or WW2 aircraft, some of the patterns are interesting to say nonetheless. Bought this for my Brodak Fockewulf D152 profile, with purposes of a clear finish overtop.

If you're frugal (cheap) like me - Page 2 Woodla10
Lightweight ripstop nylon in Woodlawn pattern for upper.

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Lightweight ripstop nylon in Silver / Gray pattern for underside.
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Post  rsv1cox Mon Jan 23, 2023 12:06 pm

HalfaDave wrote:Hi rsv1cox,
I just try to add here, and,
Have fun,
Pop bottles are way ahead of 3-D printing, by 20yrs.
I did not invent it.
I am getting better at,
Molding wood fibres with water based glues.
Getting the weight down,
Dave

Paper mache and corn starch too. Think really thin............and paint with thinned epoxy.
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Post  rdw777 Mon Jan 23, 2023 3:32 pm

My frugal project today…. My Craftsman shop stool that I’ve had for about thirty years seat finally broke off from the base…. Get another one?… Nah, I just put some hard wood stiff legs on with some hardware brackets and screws….Doesn’t adjust anymore but fine with me…

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Post  NEW222 Mon Jan 23, 2023 9:02 pm

rdw777 wrote:My frugal project today…. My Craftsman shop stool that I’ve had for about thirty years seat finally broke off from the base…. Get another one?… Nah, I just put some hard wood stiff legs on with some hardware brackets and screws….Doesn’t adjust anymore but fine with me…

If you're frugal (cheap) like me - Page 2 91975610

Until next time you need it.... Murphy will come into play.....
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Post  GallopingGhostler Mon Jan 23, 2023 10:01 pm

NEW222 wrote:Until next time you need it.... Murphy will come into play.....
I have a slightly different solution. I would have probably drilled 9/32" hole several preferred heights through the upper post pipe and put a 1/4" bolt with nut (or hole slightly larger than a lock pin), slide it through hole to rest on the failed cylinder below. Then I could adjust the height to my liking in the future.
Stereo lol!
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Post  rsv1cox Tue Jan 24, 2023 7:56 am

"Until next time you need it.... Murphy will come into play....."

Prophetic, but in a different way........

In a rush as usual I just pulled mine towards me while trying to sit down, missed it and wound up with my butt firmly planted on the floor and the seat in a prone position beside me.

Looks the same Robert. A knock-off maybe. Got mine from Harbor Freight.

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You must have carefully measured those legs to get the height right.
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Post  balogh Tue Jan 24, 2023 8:11 am

rdw777 wrote:My frugal project today…. My Craftsman shop stool that I’ve had for about thirty years seat finally broke off from the base…. Get another one?… Nah, I just put some hard wood stiff legs on with some hardware brackets and screws….Doesn’t adjust anymore but fine with me…

If you're frugal (cheap) like me - Page 2 91975610

Robert, you have actually a tuned up version, equipped with optional accessories for a non-telescopic, stabilized  architecture...the seller would certainly re-buy it for a premium? lol!

The old commercial of East German Trabant cars claimed, before the Iron Curtain collapsed, that the superiority of socialist car industry is manifested by the 2-stroke 600ccm engine of Trabant car, capable of solving energy production in only 2 strokes, as opposed to engines of Western cars, that  struggle to deliver the same in as many as 4 tiresome strokes...

https://en.wikipedia.org/wiki/Trabant_601
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Post  rdw777 Tue Jan 24, 2023 12:25 pm

Thanks guys,

It wasn’t the gas strut that failed but a cast plate that joins the seat to the strut…
Yes, Watch that thing Bob, They can sure throw you especially if the plate starts to fail!!
I use an old school folding ruler to get inside measurements like needed for the stiff legs…
Unfold it till close then slide out the brass bar until it touches…. You basically end up with a stick the length you need…. No numbers involved …. Cheating lol!

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Love that lavish description Andras!!…. Makes me want to go back now to stain and varnish the wood to complete its architectural and ergonomic prominence in the shop stool world  lol!  lol!  lol!

We used to have a lady in the office from West Germany….. She got a big kick out of telling us about Trabants and the smoke they produced….. She was a big BMW fan…
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Post  andrew Tue Jan 24, 2023 12:49 pm

GallopingGhostler wrote:I bought some camouflage nylon parachute material nylon for C/L covering. Read a bit on using nylon as a replacement for silk. Haven't put it to the test. ..............

I've never tried ripstop, but have also considered it as a potential replacement covering.

However, I have some concerns. Most of the 1.9 oz. material is coated either with polyurethane or is silicone impregnated -- I don't know how well dope or other paint will stick to this or how it would be adhered to the airframe. Secondly, since nylon shrinks very little, even with heat, I assumed that the top coat will need to have some tautening effect. When I have added seam sealer to my backpacking tents, over time it just peels away and fails to stick very well.

I have found some sources of 1.1 oz. 30D ripstop that is advertised as uncoated, but most still have a DWR treatment. A 1.1 oz. fabric with clear dope, or other clear treatment, should be very light, even more that the popular plastics.

If you get a chance to give yours a try, I would be really interested in how it works out.

a--
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Post  HalfaDave Thu Jan 26, 2023 2:57 am

Hi andrew and GG, (sounds like cool band!)
r.e, Ripstop cloth.
No way you have the 'teflon/silicon' stuff. It was all used in sail making. Unless you have scraps. Banned years ago.
Try it.
Over a foam wing, waterbased varnish. (I did not believe, it)
I have seen it done,
If you do not combat,
It will last better than, your worst landings,
Same weight,
Cost with balsa, twice as much.
My sail maker,
Is telling me ,
Spider silk,
Strengths that be....
Dave




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Post  rsv1cox Thu Jan 26, 2023 6:10 am

Your picture of the folding ruler brought back memories Robert. I can see my Dad using it back in the 1940's laying out terraces in the back yard among other things. Your's is the deluxe version with the extension. I still have Dad's around here someplace but I haven't seen it in years, such is progress.
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Post  rdw777 Thu Jan 26, 2023 6:48 am

Bob, I knew an old carpenter and cabinet maker about forty years ago that I tried to learn a few things from even though I was working in the electrical field at the time….He used a folding ruler exclusively for his cabinet making and showed me how the sliding tab worked for getting accurate inside measurements…. Works great on door and window frames too… They can also be used as an angle finder as well…. Important to keep the hinges lubed so they don’t get sloppy …. A tape measure does a lot of the same things but the folder has a few advantages here and there in my opinion…. I keep them both around
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Post  andrew Thu Jan 26, 2023 9:41 am

HalfaDave wrote:Hi andrew and GG,  (sounds like cool band!)
r.e, Ripstop cloth.

Here's an example of my ignorance: In searching for a replacement sail for a gifted Sunfish, I found a number of third party vendors selling polyester sails. Thinking I wanted only Dacron sails, I learned that Dacron was simply Dupont's registered trade name for polyester fabric -- little did I know. I suppose you can really teach an old dog new tricks.
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Post  HalfaDave Thu Jan 26, 2023 11:04 am

Hi andrew,
A Sunfish is a sailboat class with a lateen rig that goes back to Pyramid times.
The rig goes back that far,  but Sunfish sail on today.
A fun, wet class of sailing. You will hike your ass off. And enjoy the ride...
Dacron is a name, like Skippy is a peanut butter.
Ask/google the closest fleets in your area.
Sail making is an art. You will find a good sail.
Saying plastic cloth helps no one. Like 'silk' nylons in WW2. ???

The 'cloths'  these days are a far cry from 20+ yrs ago.
I am sure they are not allowed in the Sunfish Class sailboats...

That cloth you have, is probably 'rip stop nylon' which is good.
There is no 'silicone/teflon' coatings. It is an internet myth.
With respect,
Dave
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Post  HalfaDave Thu Jan 26, 2023 11:49 am

Hi rdw777,

Here is a song, for your folding ruler...
(I hope you do not mind !)
https://www.youtube.com/watch?v=ionRca6THE8

I no longer use cubits,
Dave
Smile
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