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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The battery and receiver mounted nicely on the front of the tray, so I installed the regulator in the lower battery compartment as far back as I could to get some separation between the regulator and receiver.
It used a small drill press vice to set the pin in to the radius arm and mixing lever as it was a very tight fit and wanted to get even pressure. Once you are done, put the start shaft kanual on to the start shaft and install the set screw so it seats on to the flat spot and is securely locktited in place.
I like these tail pushrod guides! Put the manyal shaft down through the top and middle bearing block.
Hirobo Shuttle Sceadu Evolution Instruction Manual Page 68
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. Also you have a wide range of adjustments you can make that in some other kits would require replacing parts; the adjustable paddle weight is just one example.
The Shuttle series uses the same skids. Check your measurements when you are done. Take a thin file or emery board and take a small bit of material out of the channel until you can spin the guide freely with a very light touch of your finger.
Nothing special here, build the tail boom supports as shown in the book. I started with the rubber isolators for the fuel tank; spraying hlrobo little armor all on them makes them easier to work with.
Adjust scadu guides until you can rock the helicopter back and forth and the rod slides smoothly and hits the center of the balls and tighten down the rod guides. Return to Magazine Homepage. Comments on RCU Review: Correct frame holes to use in step 4.
Cut out the decals and dip your finger in the water and spread it over the canopy where the decal will go, remove the decal from its backing and dip it completely in the soapy water and place it on the canopy.
Airbrushing — Take Your Painting To. Time to build the collective pitch arm. With the rear mounted tail servo, the EVO tends to be a bit tail heavy so I wanted the battery as far hirobbo as I could get it. This battery proved extremely light and 4oz of lead were required for good balance and smooth tracking forward flight Step The frames were moulded of a tougher material adding strength and making them more rigid.
Engine mounted in frame. This is where all the sub assemblies we built come together.
Hirobo Sceadu Evo 50 – Page 1. This new larger tank offers substantial flight time increases for the both 30 and 50 size motors. Put the two plastic spacers on either side of the tail drive gear where the lower mast bolt goes through and install the lower mast bolt with a nyloc hiroobo. Uses the successful Freya Double pin type tail pitch slider for precise tail control.
Hirobo Shuttle Sceadu Evolution Instruction Manual (Page 68 of 88)
Take one push rod and give a few twists of a ball reamer and snap girobo on to one of the pivot balls and make sure if you hold the sides of the ball with your fingers that the pushrod falls under its own weight. The tail response was crisp with the MAH carbon tail blades and the piro rate surprisingly fast considering the solid tail fin.
Please note, use only the servo arms designed for the servos you are using, different servos have different spine counts and while they may look and feel like they fit they can and will slip a tooth under flight loads if you use the wrong horobo. Same setup here with the offset balls on the servo wheel. Now remove the engine sceacu bolts one by one and locktite them and reinstall and tighten them. They fit the screws much better than a standard Phillips screwdriver and will save scradu much frustration.
While the high stance helps keep the tail rotor out of the dirt, I think wider sturdy skid struts would go a long way to helping prevent a tip over. Super tail power for today’s demanding gyros.
A note on tools before we get started: So fit the fan without screws, spin the fan hub onto the engine and figure out which of the four possible mounting scesdu will give you the magnet dimple the best orientation. Tail hub thrust bearing and grip assembly. I got mm sticking out of either side.
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. Install the push rod ends and set the slider for the middle of its throw.
OS 50 Hyper Gyro used: If you find your end point much overmove the ball out one hole and start over. Mine stuck in the front of the tank twice during testing despite being assembled according to the instructions. Fuel sceaud A new cc fuel tank has been added that is clearly visible in flight for quick fuel level checks.
Start by making up the push rods; the book gives shoulder to shoulder measurement of 14mm, I prefer ball center to ball center measurements so I can use my push rod tool for my calipers but this works just as well. 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.
The tail is also driven in low power descents for postive tail control. If you try this step with a number 2 Phillips head screw driver, you are going to be in for some frustration.