five rotor engine
 

Not sure where this thread should be but her it goes. If a proper e-shaft could be made would it be possible to run 5 or more rotors for more power. I've looked into both the three and four rotor builds and thought a five rotor build would be the next experiment. If any of you have heard of some one trying it please let me know how it went. Thanks

seriously???

really?

thread of the year 2011, I will tell this story to my grandchildren

New nominee in the Lounge.

Okay, okay, now that I have stopped laughing quitely to myself.



REALLY?




And finally, IF a proper eshaft could be made you could make a 10 rotor engine. IF, if, if.... No one has seriously tried this that I have heard of.

I know it's kinda a dumb question but I've never heard of it so I figured I'd ask

According to Jeff Bruce, a five-rotor is doable. Contact him if you're serious.

Anything is doable, it all boils down to how much money you have. 99.9% of the people on this forum don't have enough money to do a 3 rotor let alone a 4 or 5 rotor.

Correction: moste folks on this forum don't have the money to build a proper 2 rotor the way it should be. This is the main reason the rotary community is in the shape that it is, with the reputation it has. A bunch of know it all half ass'ers. Sad really... :(

-J

A bunch of buddies of my are in mechanical engineering and have free us of the campus CNC and other machines that will be made to make the e-shaft. This is more of a group project so the cost will be split.

If your using a auto lathe, you would have to write a program to make the proper precision cuts ->0.0005 (Astro Spec spec is 0.0001) because of the length and rotation would mean a great difference.

Now even if you have access to a full CNC shop, as do I, you would have an extremely complex program to write and to make sure the part works properly. There is no 5 rotor e-shaft to my knowledge, so the only way to make it would be by clearances and fundamentals of how the part works. Only way to see if it will work correctly is to test it.

Its mostly trial and error nothing comes out perfect the first time.

The guy who built the 12 rotor boat engine has posted pix of a 5 rotor shaft.....

John Deere developed a 10.2 liter 6 rotor engine for aviation applications and a 34.7 liter 6 rotor engine for military applications. The rotary engine program was killed before it ever went to market.

See attached.

https://www.rx7club.com/attachment.p...1&d=1299720779

So there was a 5 rotor e-shaft produced. Now if you can get the the program for it on autocad or the drawings you can make a program on autocad to make one =/ Machining is not as easy as people say it took me 1 and a half days to make an L Bracket from stock with a brass bushing and a M12X1.75 screw... Somethig like this will take months.

Hurley rotary makes a 6 rotor but its probably really expensive


http://hurleyrotary.sincordia.co.uk/...10/6-rotor.jpg

Thanks for all the info guys. I'll be working on this for probably the next 4 to 5 years while I'm working on my bachelors I'll try and keep ya posted

That engine was reportedly a just mockup and never ran.

that sounds like a guy i know...

from the man himself!!

Thanks for that post. :icon_tup:

I'm picking up a spare 2 rotor shaft this weekend so we can get some of the basic dimensions down. Thanks for the pics guys it's helpin us get a reference to the final thing.

if you (and your engineering buddies) are serious about this, there is a Swedish gentleman (can't remember his screen name) currently building a 26B engine for his old-school Volvo. he built his own shaft from scratch. to be honest, the whole car is being "built" and it boggles my mind that one man possesses his skill.

anyway, if you search, i think the thread is in the Other Rotary section - maybe you can contact him and get ideas or tips on how to go about your 5 rotor project.

Sweet thanks ill look him up.

Do you mean he's getting all the parts or actually hand making every piece that he can?

the latter .... if you're not moved by his work, check your pulse. :)