UK orders only, please contact us before ordering to discuss delivery times and paint schemes etc.
Full build, setup and trimming packages are available on request.
Please email matt@mach44aero.co.uk
The SkyLeaf Leader ACE, the latest aircraft in the SkyLeaf Leader series that is dominating the F3A world, is finally here!
The latest in the SkyLeaf Leader series, the SkyLeaf Leader ACE, is now available! Considering the next schedule, we have completed an aircraft that can perfectly handle both P and F patterns.
Occupying the top position in the F3A Japan Championship
The SkyLeaf Leader A1+, which is popular with many users around the world,
It has undergone major design changes and evolved into “SkyLeaf Leader ACE”.
ACE … It has the meaning of the best and delivers it to users who are serious about winning.
A major feature is the newly developed wings.
Different wing thicknesses are used in the centre and wing tips of the main tail, and the optimal wing thickness is implemented depending on the location.
It also adopts swept wings and although it looks simple at first glance, it is a newly developed wing that combines various elements.
This improves “sitting” and straightness in the aileron direction with a sense of stability.
Snap roll performance, which is in conflict with stability, is also improved, creating room for manoeuvring in the overall acting.
The wing mounting position and staggers were reviewed, and the wing pressure centre position between the upper and lower wings was optimised.
The roll axis has been improved by changing the thrust line and optimizing the upper and lower balance of the fuselage.
The sweep angle of the horizontal stabilizer and the tail area have also been increased, and the tail moment has been lengthened.
Improved “sitting” and straightness in the direction of the pitch.
In addition, the lower half angle is added to the horizontal tail. Improved straightness, reduced habit when hitting the knife edge and rudder deeply.
The vertical tail is enlarged to accommodate large-diameter propellers.
Considering the habit of enlarging the vertical tail, the airfoil shape of the vertical stabilizer was changed to achieve both a moderate wind vane and straightness without any peculiarities.
In F3A, there is a tendency to increase the effect of the rudder due to the increase in fuselage volume.
Inevitably, the neutral area will have a peaky feeling.
In this machine, the plane shape of the fuselage side plate is made into an area distribution and shape that is unprecedented because it is a composite structure.
Mild near neutral. However, the effect of the rudder has been improved when hitting deep.
In order to achieve obedient manoeuvrability and strong wind resistance like a monoplane, the wing load was reconsidered.
The lower wing is 1,710mm and the upper wing is 1,690mm, and the main wing length is slightly shorter, and the upper and lower wing lengths are changed.
Reconsideration of aircraft strength due to weight limit rule changes (up to 5,500g).
It realizes a firm flight feel by increasing the strength centred on the fuselage.
The design of this aircraft is expected to have a flight weight of 5,000~5,400g.
A cooling exhaust port is provided on the rear side to increase the cooling efficiency of motors, etc.
The livery has been changed to improve its presence and visibility in the air.
We have prepared a line up of 3 types of colour patterns with 3 colours.
Technical Data
Overall length: 1990mm
Overall width: 1710mm
Weight: 5,000~5,400g
Wing area: 88dm²
Horizontal tail area :17.3dm²
Wing thickness: Mixed wing thickness
Centre of gravity position: Onda setting 176mm from the trailing edge of the upper wing
: Yuhei Suzuki setting 172mm from the trailing edge of the upper wing
Design: Yuhei Suzuki
Test: Tetsuo Onda & Yuhei Suzuki
Recommended mechanisms, required extension cords
Ailerons & elevator BLS-A600
Rudder HPS-A704
Receiver R7308SB, R9001SB, etc.
Extension cords required
Extension cord 200J x6 wing aileron extension. Receiver-wing-to-wing
300J x1 Receiver – for ESC *Varies depending on the ESC used.
S.BUS Hub 1250mm x1 for Elevator and Rudder
S.BUS 2 or Code 120-70 x2 Wing Left and Right Servo Connection
Switch ESW-1D High Current Type
The following prototype data
Onda
Adverrun Contra V4, MC9100A F3A, GensAce Onda Special 5S4700mAh
R7308SB、R9001SB、ESW-1D、Lipo 2s 1500mAh
Weight: 5,050g
Yuhei Suzuki
VLV V3 WC、VLV Governor ESC、FULLYMAX 5S 5100mAh
R7308SB x2、R9001SB x2、ESW-1D ｘ2、Lipo 2s 1100ｍAh x2
Weight: 5,300g
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