Voodoohn If you are familiar with my reviews you have seen me use a caliper and the Vario pushrod nubs to make perfect pushrods. Once I started breathing again, post flight inspection revealed the clunk stuck at the front of the main tank. If you find that the hub is true and the start shaft at the base is true, measure manaul near the end of the start sceacu. The EVO is a fun helicopter to fly and would make a great practice machine for someone with a larger helicopter that wants to save on fuel and parts. Before your first flight, check for proper servo movement.
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EVO 50 early version After a couple of years the inevitable design update was carried out to incorporate a number of upgrades. HPM being the originally mechanical pitch version with a rocking cradle and SWM; this was the upcoming ccpm control system that required a transmitter with electronic swashplate servo mixing to give both cyclic and pitch functions.
The frames were moulded of a tougher material adding strength and making them more rigid. A third main-shaft bearing fitted below the main gear further stiffened the frames and give better support to the main shaft for more precise gear mesh during hard aerobatics.
The redesigned fuel tank held more fuel, and was secured between the frames by four rubber feet thus isolating it from vibration. Note that engine cooling was considered a weak spot on the initial version of the Sceadu. Main Frame All new Main frame design with integrated, easy to access bearing blocks, integrated cooling shroud,. New heavy duty, front electronics tray with encapsulated foam lined battery box!!
No More Batteries coming loose in pirouettes!!!!!! New Integrated easily accessible switch mount capable of handling all switch sizes. CCPM system. A 10mm hollow main shaft is included to handle the stresses of rotor head loads on the main frame. Super strong, super light New larger Bearing are used to support the collective lever system for complete "slop" free smooth control for any flight envelope.
Fan is factory drilled to accept magnet for a throttle governor. New drive train layout puts engine in front of main shaft for better overall CG balancing and allowing the gear reduction for the tail gearbox to happen at the main gear instead of a pulley arrangement. Great for aerobatic autos. A belt driven tail utilizing a lower friction belt is standard equipment.
New larger pulleys allow stronger belt contact under the severest of conditions. All rotating shafts are dual ball bearing supported for smoothness. Floating axle design with wide dampeners for extra support of the Feathering spindle. Thrust bearings are standard for smooth collective changes through the entire pitch range especially under the demanding loads of radical 3D flight.
New heavier duty blade grips with a 4mm blade bolt are standard for the ultimate in reliability. Accepts 12mm root Main blades with 4mm bolt hole Head button for "palming" the rotor head is standard. New stabilizer control arm strengthened for those unexpected "oops" Over 22 degrees usable collective pitch available Stabilizer Blades feature adjustable weights and are secured to the flybar with dual set screws.
Tail Rotor System Uses the successful Freya Double pin type tail pitch slider for precise tail control. Slider is dual ball bearing supported with "a" links to a ball joint on the tail blade holder. Each Tail Blade Holder uses a single thrust bearing and radial bearing for exact rotational movement.
Tail Boom Mounted Servo for tail control is standard equipment - Also available a 5mm control rod to replace the 2 mm existing rod. Muffler New higher capacity sealed muffler also included. Made of durable impact resistant polypropylene. Blow moulded for smooth round Lines and definitely shock resistant. Tail fins New larger shaped fins effective in fast forward flight when decals are applied or ideal for 3D flying with their decals removed.
Fuel tank New rear mount location with 4 point suspension in the main frame. New centralized stopper allows dependable clunk line freedom. Now cc, increased cc from the previous Shuttle Tank of cc. Very transparent for easy fuel level checks. For example, the head featured an "auto-stability" configuration that made it a stable trainer however, moving a few control balls and changing their pick-up points made the helicopter a potent aerobatic performer.
Some other highlights of the Evolution were push-pull linkages, two-piece flybar paddles with adjustable weights and a longer-than-normal tail boom so mm-long main blades could be used. Hirobo Sceadu Evolution Final versions The helicopter was further developed finally into a 90 size version.
No info currently held on these later versions. Hirobo Sceadu Evolution Documentation.
Hirobo Shuttle Sceadu Evolution Instruction Manual
Shakalar New Integrated easily accessible switch mount capable of handling all switch sizes. Make sure they are seated so the face is flush with the flybar control arm. The engine choice was an easy one, the OS 50 Hyper engine sets the standard for 50 class helicopter engines, Majual have 3 of them in Raptors and had no qualms about using one in the Sceadu. Slide it around till you get it where you want it. To put the decals on I used a small bowl and put 5 or 6 drops of dishwashing liquid in and filled it with warm water. Resisting the natural male urge to start tearing into things, I started as I always do by unpacking the manual and reading it cover to cover. Slide the radius block on and then fit the head.
HIROBO SCEADU MANUAL PDF