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Old Jan 16, 2003, 02:43 PM
310mph Kolibri T25 Swist
henke's Avatar
Sverige, Kronobergs Län, Ljungby
Joined Jan 2001
4,697 Posts
600watts Alpajet video

Hi

I just got a new video up. A Höllein Alphajet, MF480 Hacker B40 8L on 12x1300....

thrust weight ratio about 1:1

this was without reducing the outlet... when I made a tailcone with 50mm outlet, the speed was too much...the wings left in flight

but it was fun


/Henke
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Last edited by henke; Nov 15, 2003 at 05:31 PM.
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Old Jan 16, 2003, 10:29 PM
Purple power
gregg f's Avatar
shadow hills,ca
Joined Apr 2000
6,582 Posts
nice video as usual
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Old Jan 17, 2003, 12:06 AM
Flying Welder Pilot
Plane Crazy's Avatar
Reno, Nevada
Joined Jan 2001
1,135 Posts
Henke-Glad to see there is someone else out there having fun pushing it past the limit. Great video

Do you have any video of the flight with the wing failure? Love to see the how fast it was going with the reduced tailcone. Is it repairable? or are you going to try one mo time with a stiffer wing?

I guess your going to have to go find a faster boat now too.

Gordon
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Old Jan 17, 2003, 06:58 PM
2014 EDF JET JAM We be Jamming
Kevin Cox's Avatar
St. Louis Intl, Missouri, United States
Joined Jan 1997
6,718 Posts
Very nice video!!! How long do those CP1300s last at 50amps . What did it weigh?
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Old Jan 17, 2003, 07:57 PM
310mph Kolibri T25 Swist
henke's Avatar
Sverige, Kronobergs Län, Ljungby
Joined Jan 2001
4,697 Posts
Hi

I might build another one... styro wing... it was great fun! maybe 10x1700 and a hotter B40l...maybe 7 or 6! (I´m not afraid) AUW around 1kg

you see the whole flight on the video, nothing to see in the landing, not even a dot so I thought it was meaningless to spend 3mb on that...

they seem to handle 50A good....

this is the same motor and cells as in "Storm delta"


it was much faster with 50mm outlet!!! just accelerated to destruction!

If you watch carefull in the video you can se the tail twisted some 15degree from the horisont when flying at full speed!


/Henke
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