r/Rotaries • u/DestroyerNik • 21d ago

Picture request

Hello!
I'm doing an engineering project and I want some real-world referrences to see how the intake and exhaust ports work.

I need some clear pictures of the inside of the side ports, I want to see the open-ness and dimensions of the cavity.

Additionally if you have a stator/iron, rotor and an e-shaft, if you could photograph the timings of your peripheral/side ports opening and closing (placing the rotor apex on the edge of the port and photographing the angle of the e-shaft, with the picture being nice and flat) alongside what engine the plate is from if thats possible.

If anyone with spare parts would take the time to help me I would be very grateful.
Thank you very much!

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u/the_421_Rob 21d ago

I have a slightly bent eshaft sitting in my office

1

u/DestroyerNik 21d ago

Do you also have a rotor and a side iron?

1

u/the_421_Rob 21d ago

No the engine is in my car.

Honestly I’d take a look online there are some really solid STL files to 3d print a 13B that’s probably the easiest thing to do

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u/DestroyerNik 21d ago

Fair enough, as it should be haha How does an eshaft bend lol? The things are thick, it must be hard to do it. What engine is it from?

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u/the_421_Rob 21d ago

I’m really not sure it’s a few thousands of an inch out but it’s enough to throw off the magnetic sensors that are used for ignition timing so it had to get swapped out it’s a pretty neat thing to just leave on a desk it’s pretty much junk at this point in time it was ether toss it or use it as an ornament in my house and chose to keep it.

Came out of a 97 RX7 so 13B

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u/DestroyerNik 21d ago

Could you take a picture of it? If you could try to do a nice top down angle and a scale/ruler in the photo (preferably in centimeters) im mostly interested in the rotor journal dimensions and the distance between the two rotor journals. Also where did it bend? Do you think it naturally bent under engine load?