Long ez 46 turbine conversion wren 44
07-28-2014, 03:00 PM
#52
OK GUYS..........
At last the culmination of this project
IT FLIES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Arrived at my club with every body expecting my turbine conversion plane. I think they were more skeptical looking at my extrange configuration jet and knowing it was a conversion with a used old wren 44 turbine build by me.
The club is located almost at sea level and my house at city is about 1500 mtrs above. The turbine was starting ok but at a fast throttle up flame out occurred. NO NO happening this at maiden. Adjust throttle up delay at ecu and reached 125 display unit
and added 2 seconds of delay at TX. So the turbine does not flame out but my LAG TIME IS .................................................. .................................................. .....................above 12 seconds from idle to full.
So with this in mind NO OPTION to abort a landing one chance to do it the best you can.
Here are the first flight videos.
http://www.youtube.com/watch?v=mTf68z2EG5A&sns=em
http://www.youtube.com/watch?v=GJQ6Cz3NlTk&sns=em
http://www.youtube.com/watch?v=S9fYb5eSaEo&sns=em
http://www.youtube.com/watch?v=N2qq4-8Z2CM&sns=em
My first landing was horrible but acceptable as no major damage was made. Need a new front wire strut, and a more robust main landing gear.
My flight experience is OK found the plane solid with no bad tendencies. The plane tended to go down so will add a little reflex to ailerons as they recommend this on this plane. Had no pitch tendencies deploying air brake due to being at almost c.g. Did not fly at full throttle and going 3/4 was no speed devil. Suspect going full throttle will be fast knowing the turbine develops their max power at the end.
Was scared going at idle to see the stall speed, to much can happen in 12 seconds, so did not go below 1/4 stick until landing.
Discovered looking at landing video that idle speed is to little to land. You can hear the turbine reving down and the plane plummeted fast into the ground.
So my next landing will be better.
Pictures of me and my son before maiden.
cheers and thanks for fallowing ,
Juan
At last the culmination of this project
IT FLIES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Arrived at my club with every body expecting my turbine conversion plane. I think they were more skeptical looking at my extrange configuration jet and knowing it was a conversion with a used old wren 44 turbine build by me.
The club is located almost at sea level and my house at city is about 1500 mtrs above. The turbine was starting ok but at a fast throttle up flame out occurred. NO NO happening this at maiden. Adjust throttle up delay at ecu and reached 125 display unit
and added 2 seconds of delay at TX. So the turbine does not flame out but my LAG TIME IS .................................................. .................................................. .....................above 12 seconds from idle to full.So with this in mind NO OPTION to abort a landing one chance to do it the best you can.
Here are the first flight videos.
http://www.youtube.com/watch?v=mTf68z2EG5A&sns=em
http://www.youtube.com/watch?v=GJQ6Cz3NlTk&sns=em
http://www.youtube.com/watch?v=S9fYb5eSaEo&sns=em
http://www.youtube.com/watch?v=N2qq4-8Z2CM&sns=em
My first landing was horrible but acceptable as no major damage was made. Need a new front wire strut, and a more robust main landing gear.
My flight experience is OK found the plane solid with no bad tendencies. The plane tended to go down so will add a little reflex to ailerons as they recommend this on this plane. Had no pitch tendencies deploying air brake due to being at almost c.g. Did not fly at full throttle and going 3/4 was no speed devil. Suspect going full throttle will be fast knowing the turbine develops their max power at the end.
Was scared going at idle to see the stall speed, to much can happen in 12 seconds, so did not go below 1/4 stick until landing.
Discovered looking at landing video that idle speed is to little to land. You can hear the turbine reving down and the plane plummeted fast into the ground.
So my next landing will be better.
Pictures of me and my son before maiden.
cheers and thanks for fallowing ,
Juan
08-21-2014, 11:48 AM
#56
China ARF landing gear was to soft for this conversion.
Improved front wire strut to DUBRO 5/32 with coil.
Made my own aluminum t-6061 main landing gear. Got the material at a very god price for about $ 3.00 for 24 inches long 1/8" thick and and 1.5"wide.
Will do my second flight this Saturday.
Improved front wire strut to DUBRO 5/32 with coil.
Made my own aluminum t-6061 main landing gear. Got the material at a very god price for about $ 3.00 for 24 inches long 1/8" thick and and 1.5"wide.
Will do my second flight this Saturday.
08-22-2014, 10:44 PM
#58
Secret Agent it
You are right the most important information is still not here.
C.G. For maiden. 390mm from leading edge of canard ( most forward c.g)
Rear most C.G 430 mm from leading edge of canard.( have not tried yet)
Turbine 3 degrees up from horizontal
reflex: 2 mm in both ailerons.
I'm happy with it but need more air time to get to know the plane.
You are right the most important information is still not here.
C.G. For maiden. 390mm from leading edge of canard ( most forward c.g)
Rear most C.G 430 mm from leading edge of canard.( have not tried yet)
Turbine 3 degrees up from horizontal
reflex: 2 mm in both ailerons.
I'm happy with it but need more air time to get to know the plane.
08-27-2014, 02:40 PM
#60
Yesterday on my birthday has the excuse to go flying.
On the first and second landing almost destroyed the plane. The plane flies very good but my landing skills have not been on par with the plane. The wing sheeting sheared at the root when instead of landing on the wheels the tip of the wing landed first. Wings already fix and the damage was only cosmetic as no structure was damaged.
My new videos of yesterday flights. Camera man is my son.
https://www.youtube.com/watch?v=G_vtHPLWygo
https://www.youtube.com/watch?v=m4wn8oU-Q-c
https://www.youtube.com/watch?v=rnHk...hG8GiWeOHJmTTQ
Can say that plane flies fast enough and is very noble.
Cheers
Juan
On the first and second landing almost destroyed the plane. The plane flies very good but my landing skills have not been on par with the plane. The wing sheeting sheared at the root when instead of landing on the wheels the tip of the wing landed first. Wings already fix and the damage was only cosmetic as no structure was damaged.
My new videos of yesterday flights. Camera man is my son.
https://www.youtube.com/watch?v=G_vtHPLWygo
https://www.youtube.com/watch?v=m4wn8oU-Q-c
https://www.youtube.com/watch?v=rnHk...hG8GiWeOHJmTTQ
Can say that plane flies fast enough and is very noble.
Cheers
Juan
09-19-2014, 01:39 PM
#63
The joy for this turbine project ended.
The turbine seized due to bearings failure due to a blockage in the oil tube that feeds the tube shaft of turbine. I was hoping that only bearings needed replacement, but the shaft, tube shaft, compressor, and compressor cover suffered damage. The repair cost are more than what I paid for the turbine used so decided to leave it as is.
NO $$$$$ to buy a new turbine so need to save for my next turbine.
So probably this plane will be converted in the meand time to EDF( I have the one) or pusher electric.
Thanks for fallowing
Will share a very nice video of plane that google+ made by its own from my personal videos.
The turbine seized due to bearings failure due to a blockage in the oil tube that feeds the tube shaft of turbine. I was hoping that only bearings needed replacement, but the shaft, tube shaft, compressor, and compressor cover suffered damage. The repair cost are more than what I paid for the turbine used so decided to leave it as is.
NO $$$$$ to buy a new turbine so need to save for my next turbine.
So probably this plane will be converted in the meand time to EDF( I have the one) or pusher electric.
Thanks for fallowing
Will share a very nice video of plane that google+ made by its own from my personal videos.
