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Search: Posts Made By: mec
Showing results 1 to 25 of 435
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Forum: The Clubhouse
06-14-2004, 10:37 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

i can follow all of your arguments. all is clear.

one thing i want to mention: the hard way to go for a variable pitch prop is worth all the time and money you spent. it opens an enormous range...
Forum: The Clubhouse
06-14-2004, 07:35 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

congrats to your maiden flight.

pitch prop: the unit we use will not withstand 8000rpms. the centrifugal forces will destroy the mechanism, bearings, junction between blade and bladeholders....
Forum: The Clubhouse
06-14-2004, 03:03 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

price for the pitch prop: please send an email to [email protected]

there are two things to mention:
# have you thought of the fact, that the pitch prop will need a completely different ECU (cause...
Forum: The Clubhouse
06-13-2004, 03:37 PM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

hi robert,

yes, my turbo cap is still alive.
in the meantime we tested different props, made from carbon fibre and/or wood. in addition to this a few turbine internal updates arrived. all in...
Forum: The Clubhouse
11-17-2003, 08:01 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

yesterday the new full adjustable prop has arrieved. it is made from high quality aluminium, the blades are very thin profiled carbonblades, the bladeholders are held in place by two ball bearings...
Forum: The Clubhouse
09-27-2003, 11:47 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

thats what I have found

http://www.ramoser.de/home_d/home_d.html
http://www.sws-plastics.ch/jlg.htm

mec
Forum: The Clubhouse
09-27-2003, 05:58 AM
Replies: 395
Views: 77,208
Posted By mec

RE: turbo prop aerobatic plane (it flies!!!!!)

inflight adjustable pitch prop:
go to
http://www.jakadofsky.com/htm_en/welcome.htm

mec
Forum: The Clubhouse
08-23-2003, 09:19 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi joe,

our variable pitch prop is available already.
please contact peter: [email protected]

mec
Forum: The Clubhouse
08-08-2003, 08:49 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

there are more than one reason why we developed our turboprop with a variable pitch prop:

first of all, cause full size do it the same
second, the showeffect taxiing reverse
third, unbelieveable...
Forum: The Clubhouse
08-07-2003, 10:15 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

thanx for all your explanations.

"it will take five years...."
this was ment when it comes to develope a full functional ECU with the wren unit and reverse thrust.

sorry to see the picture of...
Forum: The Clubhouse
08-06-2003, 09:46 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

another pic from TopGunJetsEurope

mec
Forum: The Clubhouse
08-06-2003, 09:45 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi,

i am back from vacation.
i did two demoflights with my Turboprop at Top Gun Jets Europe Wiener Neustadt and countless flights at Lienz, Greifenberg and Weißkirchen. everything was fine, it...
Forum: The Clubhouse
07-25-2003, 10:08 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

for my understanding only:

how do you do slow passes? at which turbine rpm (140.000rpm)?
same at landing? how about a bad landing approach and the need for quick acceleration?

thanx for...
Forum: The Clubhouse
07-25-2003, 09:03 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi sandor,

you are absolutely right. turbines have been improved so that the spool up delay has been minimized. there is no question, aerobatics can be done.
but: in addition to the delay of the...
Forum: ARF or RTF
07-24-2003, 11:06 AM
Replies: 109
Views: 19,203
Posted By mec

GP Wagstaff Extra 300 with Wren Turboprop

congratulations for your outstanding work.
well done, sandor!

for all interested in turboshaft driven planes and do not know this thread (turbo prop aerobatic plane (it flies!!!!!)), see:...
Forum: The Clubhouse
07-21-2003, 11:34 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi sandor,

whats the wingspan of your plane?

I would apreciate to have 7.8kg instead of 11kg my plane has.

next weekend we will fly at Top Gun Europe. it would be a pleasure to see your...
Forum: RC Helicopter General Discussions
07-04-2003, 01:13 PM
Replies: 6
Views: 874
Posted By mec

got smoke ?

sorry to hear, that your belt went.
do you think, that the problems with the belts have been solved now? and how?

mec
Forum: The Clubhouse
07-02-2003, 07:20 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

i cant´t see any possibility to lighten the tail or to move weight forward.
at the moment i have 450gr brass weight near the engine mounts.

mec
Forum: The Clubhouse
07-02-2003, 07:31 AM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi robert,

we are experimenting with 2 blade props solely.

there are some reasons:

# experience showes that a two blader has the better efficiency
# in case of an accident it will be...
Forum: The Clubhouse
07-01-2003, 06:59 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

yesterday we tried to fly the plane again.

at 6 p.m. it had 34°C. I tried to check the EGT, but it was impossible to hold the plane cause of the exorbitant heat leaving the exhaust pipes. after...
Forum: The Clubhouse
06-29-2003, 12:35 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi robert, hi lancair, hi to all,

yes, thanx to all, who helped in this thread so that this dream has become true.
all your replies, ideas and help made it much easier to develope the plane.
i...
Forum: The Clubhouse
06-02-2003, 02:28 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

no, unlimited verticals still are a dream.
our plane weights approx 11.8kg dry. for unlimited vert we need more power or a lighter plane.

this plane is a funny thing: for all power aerobatics it...
Forum: The Clubhouse
05-31-2003, 08:08 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

hi erazz,

there are three shafts:
turbine shaft with the compressor and turbine wheel
secondary shaft with a flywheel clutch
an prop shaft
(an inner gear system inside the turbinecase drives...
Forum: The Clubhouse
05-18-2003, 08:25 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

flights with the new menz 22x8S had been disapointing. although we had the best vertical climbing rate, we noticed lack of speed.
therefore I returned to the menz ultra 21x12. this prop in...
Forum: The Clubhouse
04-24-2003, 01:35 PM
Replies: 395
Views: 77,208
Posted By mec

turbo prop aerobatic plane (it flies!!!!!)

again, we did minor changes to the engine setup:

a new turbine wheel giving more power to the shaft and less exhaust pressure,
a new version of orbits turboshaft AECU (should give more constant...
Showing results 1 to 25 of 435
 
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