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Started this discussion. Last reply by Bob Pustell Jun 4, 2012. 2 Replies 0 Likes
Posted on August 11, 2013 at 1:23am 4 Comments 5 Likes
Well, after my first 5 hours flying my XL I can report that this is a fantastic aircraft. It flys hands off with minimal trim, I must have been very lucky setting up the rudder alignment as it tracks straight and true with no rudder input. The Jabiru engine has plenty of power and am working out what to set the adjustable prop at. Currently getting 105kts at 2900 RPM. Am getting a lot of wind noise through the canopy frame so will look at sealing that better. With only 5 hrs so far am…
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I have a friend who is a aeronautics engineer and we are trying to come up with a solution, which I'll post when able. Enjoy the trip!
P.S Jabiru - does not recommend mounting any counter weight on the engine itself - you will need to mount this on the bottom half of cowling!
Hi Darryl. Interesting figures, very similar to mine. Bottom line we are both AFT heavy. Your C.G with little or none fuel with 2 occupants(approx. 85kg each) is at 466, which is very dangerous especially in a stall situation with no power. Please email me you phone details to mirko@bytecorp.com.au to discuss further if you wish. As I believe the Jabiru engine mount has been calculated incorrectly - too short. My details - see below;
Left wheel = 130.5
Right Wheel = 136.5
Nose = 90.5
C.G = 350.4
empty = 358
Bye.
Hello Darryl. Just curious on your W/B details? If yo can share these with me that would be great!
Great job with the aircraft!
Re: Mirko.
Hello Darryl,
9.5 hours. Now that is a long non-stop flight. With 53 gallons of fuel, throttled back you can make it half way across Australia. Sounds like you love to explore in your 601, like I do. I can spend hours looking out the window and taking pictures as I motor along. Someday I would like to fly round Australia. I need to rent a 601 and have someone show me around.
Steve
when you going to update your web site? Do you know there is also a builder down in AS.. with a Zodiac XL?
CS
You probably made the better choice rather than the Jabiru Australia FWF kit which leaves the builder with lots still to do...
I am looking forward to comparing some performance figures for different types of props on the Jab 3300.
You'll love the plane when you get it flying, climb/cruse performance with the Jab is really good.
Cheers
Eddie
Thanks very much, and yes I have changed to a Carbon Fibre ground adjustable prop from Rob Petroni, as the prop supplied by Jabiru was too course in pitch and had me crusing at 120-125knots at 2700rpm. To slow down to a reasonable speed meant running the engine at 2400rpm which Jabiru do not recommend, and to slow down in rough air mean running the engine even slower.
One of the other big benefits is that the prop is much smoother and quiter in flight.
Running 2700rpm now gives me 110kots and somewhere between 18-20 litres per hour. I am still checking fuel comsuption at the moment as I am still playing around with the pitch.
Cheers
Eddie
yes they seem quite sturdy the fuses are in line just undo the 4 screws and they come out the front with the wire but you can also buy them with breakers along side in a panel
cheers Kevin
Chris..