--- begin forwarded text Resent-Date: Thu, 29 Oct 1998 12:03:26 -0500 Date: Wed, 28 Oct 1998 09:50:40 -0500 Organization: Scientific-Atlanta MIME-Version: 1.0 Subject: Re: Interesting Articles... Micro jet engine for Wearable power? To: "wear-hard@haven.org" <wear-hard@haven.org> From: Pete Hardie <pete.hardie@sciatl.com> Sender: phardie@sciatl.com Resent-From: wear-hard@haven.org X-Mailing-List: <wear-hard@haven.org> archive/latest/5435 X-Loop: wear-hard@haven.org Precedence: list Resent-Sender: wear-hard-request@haven.org Mark Willis wrote:

single spool turbojet 12mm OD x 3mm long (Tiny!) Weighs 1 gram... Rotor speed: 2.4 million rpm Combustor temp: 1600deg K Output: 13 grams thrust, or 16W electrical Fuel: Hydrogen @ 7 grams/hr.

Fuel for 2-3 hours would fit in a CO2 cylinder sized container or so <G> They use air bearings, and a *silicon* spool, no nickel metal sintered exotics here... This little puppy will run a wearable nicely when it gets to production! (The original is for a small surveillance aircraft, 16W power budget isn't bad though!) I imagine it puts out some heat, of course...

But that annoying roar and jet of flame..... -- Pete Hardie | Goalie, DVSG Dart Team Scientific Atlanta | Digital Video Services Group | -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" to wear-hard-request@haven.org Wear-Hard Mailing List Archive (searchable): http://wearables.ml.org --- end forwarded text ----------------- Robert A. Hettinga <mailto: rah@philodox.com> Philodox Financial Technology Evangelism <http://www.philodox.com/> 44 Farquhar Street, Boston, MA 02131 USA "... however it may deserve respect for its usefulness and antiquity, [predicting the end of the world] has not been found agreeable to experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire'