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#1
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Orval Fairbairn o_r_fairbairn earth_link.net wrote:
.... The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? Is it louder than a gas powered weedeater? Just curious. |
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#2
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John Doe wrote:
Orval Fairbairn o_r_fairbairn earth_link.net wrote: ... The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. -- Richard Lamb |
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#3
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cavelamb wrote:
John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: ... The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired |
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#4
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Dan wrote:
cavelamb wrote: John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired http://www.youtube.com/watch?v=FxT5H...eature=related Some backpack fan powered paragliding. Looks like so much fun, but dangerous. -- Thanks to the replies. |
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#5
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"John Doe" wrote in message
... Dan wrote: cavelamb wrote: John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired http://www.youtube.com/watch?v=FxT5H...eature=related Some backpack fan powered paragliding. Looks like so much fun, but dangerous. -- Thanks to the replies. I would imagine less dangerous than trying to in-line skate with one of those things on :-) -- Remember Altitude is more important than Attitude |
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#6
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"Garry O" wrote in message u... "John Doe" wrote in message ... Dan wrote: cavelamb wrote: John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired http://www.youtube.com/watch?v=FxT5H...eature=related Some backpack fan powered paragliding. Looks like so much fun, but dangerous. -- Thanks to the replies. I would imagine less dangerous than trying to in-line skate with one of those things on :-) There was a rocket powered roller skater back in the 70's http://www.the-rocketman.com/capt-rollerball.html Keith |
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#7
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"Garry O" wrote in
u: "John Doe" wrote in message ... Dan wrote: cavelamb wrote: John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired http://www.youtube.com/watch?v=FxT5H...eature=related Some backpack fan powered paragliding. Looks like so much fun, but dangerous. -- Thanks to the replies. I would imagine less dangerous than trying to in-line skate with one of those things on :-) this powered-skater thing reminds me of the rocket-powered street luge. (used Aerotech APCP rocket motors.) -- Jim Yanik jyanik at localnet dot com |
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#8
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On Jul 22, 8:49*am, Jim Yanik wrote:
"Garry O" wrote .au: "John Doe" wrote in message . .. Dan wrote: cavelamb wrote: John Doe wrote: Orval Fairbairn o_r_fairbairn earth_link.net wrote: The model airplane guys have a very small (about 15" long, 5" dia) turbojet that they use on scale jet R/C planes. It costs about $3000 US. How much for maintenance and fuel? It burns a quart of fuel in a minute or minute and a half. Is it louder than a gas powered weedeater? Just curious. Deafening. 100,000 RPM with every harmonic ever invented. I think they missed the lower sub harmonics, but who can hear over that racket? Dan, U.S. Air Force, retired http://www.youtube.com/watch?v=FxT5H...eature=related Some backpack fan powered paragliding. Looks like so much fun, but dangerous. -- Thanks to the replies. I would imagine less dangerous than trying to in-line skate with one of those things on :-) this powered-skater thing reminds me of the rocket-powered street luge. (used Aerotech APCP rocket motors.) -- Jim Yanik jyanik at localnet dot com The whole concept sounds like a qualification entry for a Darwin Award. Dean |
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