Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here


Quasi Turbine

Quasi Turbine

Quasi Turbine

Has anybody had any experience or know anything about the quasi-turbine (www.quasiturbine.com)?  

It seems like an interesting concept, and being a Rotary guy myself, this design adresses alot of the Wankel's shortcomings.

RE: Quasi Turbine

I think they are stretching way too far in comparing that to a turbine.

RE: Quasi Turbine

I still see a sliding wiper/seal between combustion chambers, similar to the Wankel rotary.

RE: Quasi Turbine

I see all the disadvantages of a rotary, such as sliding seals, side seals, very high surface area to displacement ratio and the extra complexity of the rotor offsets the lack of a crank.

Rotating mass might be slightly lower.


eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

RE: Quasi Turbine

Their technical page is quite funny, unintentionally. They seem intent on dissing every other form of engine, without even understanding what is going on. The section on car engines is complete tripe.

I struggled to find any numerical claims about efficiency, or reliability, or indeed any evidence that this thing has even completed one revolution under its own steam. Did anybody else find anything concrete?

Incidentally, if they produce 4 times the power per kg of a conventional SI engine then they must be running some very fancy cooling rig.


Greg Locock

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.

RE: Quasi Turbine

Investing and especially licensing seemed fairly thorough.

RE: Quasi Turbine

tempted? I've got a bridge I'd like you to consider, and my nigerian uncle has been left 25 million ...


Greg Locock

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


White Paper - A Guide to 3D Printing Materials
When it comes to using an FDM 3D printer effectively and efficiently, choosing the right material at the right time is essential. This 3D Printing Materials Guide will help give you and your team a basic understanding of some FDM 3D printing polymers and composites, their strengths and weaknesses, and when to use them. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close