A maths challenge for you...

[mattsprattuk]

I'm designing a flip up window of sorts, but I'm being "extra" with it...

It's been too long since I was at uni, and I can't get my head around this without hours of trial and error.

Basically I want the two panels to be near parallel when the window is closed (for sealing purposes y'see). With about a 10-15mm gap with the seal fully squished.

https://i.ibb.co/BZyPL68/Screenshot-2024-02-05-141826.png

When it's open, I want it to have usable access, let's say an upward angle of approximately 45 degrees, but the lower edge roughly in line with the top edge of the window bezel.

https://i.ibb.co/zJfLc52/Screenshot-2024-02-05-141848.png

And finally, the mechanism.

https://i.ibb.co/ZfPtS1W/Screenshot-2024-02-05-141913.png

Call it an arbitrary length of 100, so the lengths can be scaleable and ratios of one another, but basically the arm lengths and mounting hole distances are the critical bits.

I'll add a limit to the rams range of motion of ~125mm (although if you can get it within 75mm I don't have to buy more gas struts).

Go forth, and math!
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!!
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith

[stinkwheel]

I'd just get some off the shelf fire-escape PVC window hinges which do almost exactly that then modify them to add the gas strut.
https://www.handlesandhinges.co.uk/fire-escape-easy-clean-window-hinges/
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[mattsprattuk]

But then it wouldn't do the funky inversion upside down thingy, yo!

Anyway, I think I got it. It took some faffing and curly bits.

https://i.ibb.co/wM38Y9n/Screenshot-2024-02-05-223000.png
https://i.ibb.co/GT8hN1L/Screenshot-2024-02-05-223413.png
https://i.ibb.co/fHdFRm0/Screenshot-2024-02-05-223346.png
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!!
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith