Interesting Articles... Micro jet engine for Wearable power?

[Robert Hettinga]

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Resent-Date: Thu, 29 Oct 1998 12:03:26 -0500
Date: Wed, 28 Oct 1998 09:50:40 -0500
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Subject: Re: Interesting Articles...  Micro jet engine for Wearable power?
To: "wear-hard at haven.org" <wear-hard at haven.org>
From: Pete Hardie <pete.hardie at sciatl.com>
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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  |

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-----------------
Robert A. Hettinga <mailto: rah at 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'