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Hirobo Bell 47G (GS) |
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Hirobo Bell 47G (GS) |
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Swashplate control |
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The collective pitch bearings were assembled first. |
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The elevator arms were anodised prior to assembly, otherwise, very straightforward and required no modification. |
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The two main rotor bearing supports are bolted together with the main frame and elevator assembly in between to make a strong assembly. |
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The black anodised aluminium was protected with masking tape to prevent unwanted scratches from the loose elevator assembly. |
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The collective pitch mechanism and the aileron levers were attached first … |
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… followed by the elevator levers. |
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The servo horns, black anodised aluminium from Quick UK, and control rods were prepared as per the instructions. |
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While the main frame assembly is small it is more manageable to work on to get the control linkages correct. This is a deviation from the manual that suggests the main frame be built first. |
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In particular it was easier to work on the collective pitch control rod prior to the installation of the main gear. |
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The completed assembly proved to be very straightforward but did need a couple of extra shims for smooth operation. |
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The main gear and main rotor shaft were installed to allow for the fitting of the swashplate. |
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The fitting of the main gear makes access to the control rods difficult but is required prior to the mounting of the swashplate. |
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A Quick UK swashplate was connected to the elevator assembly and the fitting of the aileron control rod completed the collective pitch and control mechanism. |
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Webmaster: John Neasham |
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