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Date:  3-11-2020
Number of Hours:  3.00
Manual Reference:  
Brief Description:  Lower Cowl & Exhaust Bracket

Plans:
1. Fab the lower cowl bowl.
Status: I mounted the lower cowl to the fuselage with the addition of securing the trailing edge to the lower engine cover. The holes lined up perfectly. I also drilled the holes for the plate nuts on the lower engine cover. The nuts are back ordered but I was able to make this small progress in the meantime.
2. Fab a brace for the exhaust bend.
Status. 25% complete. I decided the bracket I made yesterday was not the best approach. So today I am trying something slightly different. In this case the brace will be attached to the bend with a clamp as opposed to welding. This will make maintenance a little easier.
3. Mount the muffler to the bend.
Status: Complete. To exhaust ben slipped over the muffler loosely. I cut some slots in it and squeezed it tightly to the muffler with a hose clamp. This has greatly improved the rigidity of the set-up.

I ran the engine for a few seconds today to circulate the oil a bit. For this case the muffler was installed. It started easily but did stall when I throttled it up. Perhaps it was simply cold and needs to warm up a bit. Without the prop I have been limiting the run time. The prop, by the way, is very late now.
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Lower Cowl Mounted

Lower Cowl Mounted

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Exhaust Bend Clamp

Exhaust Bend Clamp

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Exhaust Bracket

Exhaust Bracket

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