SNB-P01: Engine Installation
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Throttle Bell Crank – Part 2
Installed throttle cable in center panel area. Located throttle and mixture cable pass-through locations on firewall and prepared holes for cable bulkheads. Installed both cable safes. Located throttle bellcrank assembly based on throttle cable pass through then transferred mounting holes onto firewall. Cleaned up bellcrank assembly then riveted pieces together and to firewall. Tested cable…
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Throttle Bell Crank – Part 1
Because we are planning to use a traditional push-pull throttle (instead of a Sonex throttle quadrant) with the AeroInjector, we needed a way to reverse the throttle direction. Assembled throttle bell crank and created mounting bracket from scrap 2″ and 1″ aluminum angle. Cannibalized cable parts from spare Sonex throttle components. Will need to final…
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Engine Installation – Part 1
Continued working on Sonex FWF manual for the Jabiru by marking and trimming cooling fins on cylinder #1. In lieu of further trimming cylinder fins to fit spark plug CHT ring sensors, will opt to use #8 ring terminal sensors for easier access. Removed existing baffling from front of engine and old oil cooler. Measured…
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Thrust Line Measurement
Verified engine alignment before moving forward by leveling fuselage with saw horse under tail and setting up laser level though center of crank. Measured bottom front corner of fuselage at 22.75″ from floor and center of crank as 40.25″ from floor leaving 17.5″ from thrust line to bottom of fuselage; right on spec.
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Engine Hardware Replacement
Replaced temporary engine mount hardware (too long) with properly sized AN4-46A bolts and AN363 nuts.
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Initial Engine Mounting
Began process of mounting engine to determine firewall location of other items by using engine hoist to lift engine off of table and onto airframe. Placed ACV-J01-10 engine shock mounts onto engine mount then maneuvered engine onto airframe. Used bolt guides that came with engine to secure engine to airframe. Measurements for the AN4-51 bolts…