Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/5/84; site ssc-vax.UUCP
Path: utzoo!linus!philabs!cmcl2!seismo!harvard!talcott!panda!genrad!decvax!tektronix!uw-beaver!ssc-vax!dma
From: dma@ssc-vax.UUCP (Dennis Anderson)
Newsgroups: net.space
Subject: Re: Angular Momentum Cancelation
Message-ID: <57@ssc-vax.UUCP>
Date: Mon, 22-Jul-85 10:15:01 EDT
Article-I.D.: ssc-vax.57
Posted: Mon Jul 22 10:15:01 1985
Date-Received: Thu, 25-Jul-85 20:02:26 EDT
References: <3115@decwrl.UUCP> <15700023@uiucdcsb>
Organization: Boeing Aerospace Co., Seattle, WA
Lines: 14

> 
> There is a Soviet helicopter. Its NATO designation is HORMONE (don't ask
> me why) which has two counter-rotating sets of blades and no tail rotor.
> 
> I do not know of any american helicopters that use this principle.
> 
> Apostolos Dollas
>         USENET:	...!{pur-ee,ihnp4}!uiucdcs!dollas 
>         ARPA:	dollas@uiuc.arpa

The Boeing/Vertol CH-47 also has counter-rotating rotors, and no tail rotor.


				Dennis Anderson @ Boeing Aerospace