Author Archives: pclifton

Even more cowl mating

That was the simple part, however. The basic task in getting the forward mating surfaces right is to carefully massage the four points of contact: the two sides of the prop spinner area, and the outboard corners. What I’m going … Continue reading

Posted in Cowl | Hours Logged: 2.5

More cowl mating work

…and to bring the rear into alignment, I used the usual method of wrapping a ratchet strap around and using it to pull the lower cowl up against the fuselage:

Posted in Cowl | Hours Logged: 1

Fitting the cowl halves together

But the junction still isn’t quite flush, as a picture from inside the spinner opening shows:

Posted in Cowl | Hours Logged: 1

More upper cowl trimming, starting on lower half

Since I was finally happy with the fit, it was time to move on to drilling the upper cowl to the hinge halves that retain it. To do this, the holes get laid out and initially drilled in the cowl, … Continue reading

Posted in Cowl | Hours Logged: 7

Upper cowl: first trim

Next, I broke out the masking tape and laid a stripe along the marks to create a continuous reference line for the cut: Then it was time to take a deep breath and make that first cut. I wanted to … Continue reading

Posted in Cowl | Hours Logged: 6

More cowl fitting prep work

To solve this problem, I decided to temporarily add the baggage door to the party. Actually fitting this piece is a whole procedure that apparently gives lots of builders fits, but all I needed it to do was serve as … Continue reading

Posted in Cowl | Hours Logged: 5.5

More coil mount work, getting ready for cowl fitting

The other thing to evaluate here is the clearance between the coil pack and the cowl. In an attempt to get a first approximation of this, I once again draped the cowl over the top of the engine and firewall. … Continue reading

Posted in Cowl, Firewall Forward | Hours Logged: 2

Cabin heat feed, ignition mount start

Posted in Firewall Forward | Hours Logged: 2.5

Baffles #2

I figured the smart direction to go from here was to look at the coil pack mount. I still have some concerns about interference with the pack and the upper cowl, so the first step was just holding the pack … Continue reading

Posted in Firewall Forward | Hours Logged: 4.5

Chafe-proof firewall penetration

  And a test fit confirms that it’ll accommodate all the wires needed here with room to spare:

Posted in Firewall Forward | Hours Logged: .5