Friction hinges and latch for top hung window?

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Hi, I'm making some long and narrow top hung flush casement windows to fit into a mollycroft on a showman's van. I'm looking at options to open and close them and hold them in position when open. Was initially thinking 2" friction/torque butt hinges, but can't find any. A possible solution is stays (eg QUADILENT STAY GREY 178MM from M.A.C. building product), but they're clunky. I'd really prefer a mechanism that's hidden when the windows are closed.

The ideal would be some kind of sprung hinges/openers and a pull-to-close push button or sliding or thumb twist latch, but I guess that's something that only exists in my head?

Any ideas?

 

[ColeyS1]

Sounds like an interesting project ! What about a normal friction hinge, like you get more commonly on upvc windows ?
Welcome to the forum btw
Coley

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Yeah, the upvc style friction hinges is another option. Not keen - they remind me of upvc windows.

I'm not even sure that they do them small enough for these windows (6" to 8" opening).

Welcome to the forum

thanks.

 

[ColeyS1]

What about bog standard normal butt hinges then stick a block of wood in the rebate- proper low tech :lol:

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[MMUK]

What about bog standard normal butt hinges then stick a block of wood in the rebate- proper low tech :lol:

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Not a good idea, that will put so much stress on the hinges.

FWIW, you can get friction stays for top hung sashes as small as 5 1/2" long. Have a look on the doorwingear site.

 

[ColeyS1]

I thought cause the sash was only 6-8 inchs high it would have been o.k :? Its not like its gonna be bouncin around all over the place. I think there'd be more chance of it pulling short screws out instead of breaking the hinge but I do get where you're coming from
Coley

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Needs to be an elegant solution. Shoving a block of wood into the gap isn't exactly elegant.