Piper Comanche Oil Funnel (Maybe Others)
Description
This was designed to be an oil funnel for our Piper Comanche 260B. I got tired of making a mess when adding oil and trying to clean a traditional funnel. This design threads into the dipstick threads and can actually hold the bottle while you pre-flight; even with windy conditions. It may work with other airplanes that have the similar, straight-in dipstick and threads. You can test your threads with a clean pop/soda bottle. An alternative use (and probably worth a 2nd print to avoid oil) would be as a "range extender" or urine funnel. The included coupler allows for a common pop/soda bottle to be screwed to the other side. I have not needed to try this yet, so I'll leave it up to you for that task! The coupler also allows for saving the residual oil left in the container after oil changes. Use the funnel or just 2 oil bottles together and consolidate them all after giving it a few days. We use Aeroshell, and I'm not sure if Phillips or others use the same thread pattern. I printed the cap, lid, and coupler in TPU. The funnel itself is PETG. I suppose the funnel could be TPU as well. None of the files require supports.
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