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Tuesday, August 24, 2021

More empennage tip work and some BRS parachute updates:

I don't get too many packages with this label!

Inside were all the parts that make up the rocket which pulls the parachute out to deploy as low as approximately 400 feet! (bare minimum demonstrated by a Cirrus)

After doing all the fitting work / supports in the airplane I shipped the parachute container back to BRS and they returned it to me as shown below. Everything is ready to install. The ring is the rocket mount. Looking forward to doing the final install of the system.

I'm not so excited about the quality of Van's fiberglass parts for the RV-7. It's unfortunate because all the structural parts of the airplane are so high quality. The amount of work to make these cosmetic parts look like something you would see on a production plane is disheartening. Hopefully their newer designs like the RV-14 are better. That being said I'm making progress on the vertical stabilizer and rudder tips. However ALL of them require rework.

Here are the tips after getting some primer / filler to see how much more needs to be done.

The foam / fiberglass rib for the vertical stab went faster then the horizontal stab.

The vertical stab fiberglass tip has a "unique" shape that will require some amount of filling and sanding on every axis to look decent. Again it looks like the lowest bidder won the contract.

The rudder bottom fairing had a significant curve to it that required a lot of fun filling and sanding.

I trimmed the lower fairing to give plenty of clearance with the tail wheel nut. Some builders have had issues when landing on grass strips. 

I loaded weight on the horizontal stab to simulate a heavy landing and the clearance was good. 

Of course a lot of trimming etc. This is just getting started:

Installed the adapter for the LED tail light and strobe: