Hey guys anybody have the latest Hirobo Sceadu Evo 50?. Kit Name: Hirobo Sceadu Evolution 50 (EVO) Price: $ If this is your first kit however, the manual might be a bit intimidating. This is not a knock on Hirobo. 50 ARF model (only) has Evolution spec OS50SX-H engine. This engine is suitable for both F3C and 3D and setting up the engine is very easy.

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Hirobo Shuttle Sceadu Evolution Instruction Manual (Page 68 of 88)

When I was done hirogo radius arm would fall under its own weight and the pin was a very tight fit in the mixing arm. The tail is also driven in low power descents hiirobo postive tail control.

Now remove the engine mount bolts one by one and locktite them and reinstall and tighten them. There is no better control system designed to capture the power of the 50 size motors and turn it into aerobatic bliss.

Take the main gear and attach it to the auto hub with four self-tapping screws.

The other two keys to installing the fan and nut so they stay put is to clean the threads with alcohol before assembly and doing the installation the night before you try to fly so the locktite has time to cure. Hirobo Sceadu Evolution 50 Distributed exclusively by: Cyclic response was positive but sluggish with hitobo weights installed.

I found it easier to use a screw to cut starter threads in all the places that balls are going to be installed; they can be somewhat of a chore to start the screw with the ball on it and you can avoid stabbing yourself with a screw driver. Most of the steps consist of mechanical drawings and are interspersed with helpful notes, but the builder is left to decide on his own assembly sequence. A 50 size helicopter that fly’s like the EVO breeds confidence to learn new and difficult maneuvers without fear of breaking the bank after the occasional interlude with terra firma.


To aid in clutch system installation, a threaded fan hub is also used so centering of the clutch system is effortless. While we are here I’ll mention zceadu the Sceadu fan has more vanes and an airfoil shape common in aftermarket upgrade fans. This bolt should be snug but not over tightened.

Hirobo Sceadu EVO

However demand for the shuttle was such that the two ended up running concurrently though the Sceadu was mostly bought in the ’50’ size. Install the two remaining 10mm self tapping screws into the lower main shaft bearing block again, don’t tighten, leave 1 or 2 mm of play on all four of these screws and the three 12mm self-tapping screws into the forward servo tray.

This is a great time for model helicopter pilots! Return to Magazine Homepage. With the servo arm straight up, you should be able to tilt helicopter nose down and the rod should hit the center of the ball, tilt it nose up and the rod should slide back and hit the tail pitch change ball.

Put the swash plate on first, lube it with a few drops of tri flow or machine oil where it slides over the shaft. Measure 3mm between the bottom of the head block and the radius block; it was difficult to put a caliper in there so I just used a 3mm hex driver to set the distance.


Push the flybar into one control arm, then through the see saw and through the other control arm. No More Batteries coming loose in pirouettes!!!!!! This is standard on both the 30 and 50 version EVO’s.

Fuel tank complete Hirobo Sceadu Evolution Documentation. Put the girobo on the 8mm bolts and screw the balls into the outer holes on the mixing arms. Aligning servo arm and throttle arm. It’s been a goto veh An intermediate pilot will appreciate the carbon blades and engineering excellence in the design of the kit. Proper swash alignment, note odd ball goes to right.

Hirobo Shuttle Sceadu Evolution Instruction Manual Page 68

This is one of the touches that makes the EVO stand out as a well designed helicopter. Do the same sceady the other push rod and push the 15mm machine screw into the flybar control arm opposite the mark, make sure to capture the pivot ball and screw it into the other side where the mark is.

Precision paddle alignment with Mavrikk paddle gauges.

manua The main differences between the 10 and 20 are newer firmware and the ability to run the 20 in rev limiter mode as well as governor mode. Verify that the tail rotor is turning counter clockwise when the main rotor is turning clockwise. Use the brass eyelets with the flange towards the frame for the rest of the servos.