anyone tried this

[npbosch]

Guys,

I got a nice idea from a fellow Dutch builder (Rob van Dijk). Let your fs server pc produce 2 outside views. The upper half is 0 - 90 view and the lower half is 270-360 view. The projector is on top of your cockpit. In front of you, there are 2 (flat)mirrors. The upper one projects the view to the right and a bit to the floor. The lower one to the left and a bit to the ceiling.

In our hobby , you would need a wide view . The view has not to be very high. Most cockpit windows will not be more than 20 cm in height. With this method you would get a view that is twice a wide as with a normal projection and twice as low, without any distortion.

What do the visual specialist overhere think of this idea. Is it feasible? Has anyone tried it?

regards


Norbert Bosch

[npbosch]

This would be the endresult

[Trevor Hale]

Thats a fantastic idea, actually. The biggest challenge is getting mirrors that will be the same and diffuse the light at the exact same intervals.

Regards,

Trev

[NicD]

That's a neat idea! ... lateral thinking - I like it.

[impalazoo]

Can someone explain in more detail how the mirrors are positioned????

[dodiano]

Dude!! That is Brilliant!! Will you be trying this??

Roberto

[JWS]

I think I've seen this kind of stuff in Teuge a couple of years ago with the guys that later started FlightIllusion. They had a sim with a few mirrors that projected on the back of a round screen that was just in fornt of the cockpit.
Looked nice but had one drawback; you could only choose between day or night. Dusk and dawn didn't work.

JWS

[pylet]

I wonder what it looks like in a turn... in a 20 degree left turn do the two halves split and both show a 20 deggree turn or will they stay together somehow?

[npbosch]

@JWS

Not completely. I know the teuge sim. Their visual system is done with mirrors too. But with more mirrors and in a far more complex way.
They split the mirror vertically with 2 mirrors, and by 2 other mirrors the view is projected more from the side, so the distortion will be less then when the view would be projected direct to the curve screen.
See the pic below:

@pylet.
That would be no problem. The pc produces 2 windows above each other , and no instrument view.
In a right curve you would see the second pic in this post.

@ Impalazoo
Take a mirror of 60 x 80 cm (or whatever your screensize will be with a projector that you use at the distance you use it). Cut the mirror in 2 equal parts in a horizontal line. Lift the upper part at the left a bit to the front. The lower part must be lifted to the front at the right side (left and right fro the pilots view)

PS No, I did not do any experimenting with it. But will be investigating it when I am beginning with that part of the sim. More work to do on other parts of the sim at the moment.

regards

Norbert

[Bas]

I am also wondering, how much light will you loose using mirrors? How much does the final picture suffer?

Another thing I was wondering about, maybe this is a bit stupid, but I am not so into projectors: lets say the throw distance needs to be 4m to create a picture size of 2m. When using mirrors the distance traveled can be increased without actually needing the 4m straight, right?

So if I have a 2m space between projector and mirror, and 2m space between mirror and screen, would this be the same as having a 4m throw distance?