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We did a test sit in the hangar this evening. Adam is a little taller than me and took out one layer of foam for canopy clearance. I'm going to try it with both pieces in. Didn't get to fly it as we were finishing up the oil change and valve adjustment.

sonex892. wrote:Photos of the sight picture and relative angle of the longeron with the horizon taken doing 122kts this morning. To my eyes the longeron looks to be level with the horizon.

Agreed- doing 125 kts in my sg ds Legacy/120HP EP915ECI, I have noticed the same sight picture: the canopy rail/fuselage top longeron is as good as parallell with the horizon; perhaps maybe a tad nose up. A most instructive picture: very useful for calibrating the fuel sight tube during cruising flight.

Thanks
Kai

Talking seat boosters;

I covered/glued cheap cotton cloth, to all sided of a 20 mm thick polystyrene insulation sheet.
The cloth is to prevent the polystyrene from crumbling away on the edges.
The Sonex seat pan is sloped, so by having the "booster" behind my back cushion, I not only move forward but up as well - places me perfectly in the cockpit.

Took off just after sunset for a short flight. I can see over the nose! Awesome. I'll have to get a picture later, we didn't have a lot of time.

Here is my sight level picture at 100 kts. Visibility was not the best and the absolute horizon was obscured. But, I can see forward!

Brock, where do you fly out of? I see Woodland and Scappoose freqs on your radio in the picture.

I fly out of Scappoose and am considering building a Sonex.

Would you be open to showing me your plane?

James

Sent from my SM-G973U using Tapatalk

Bryan Cotton wrote:Here is my sight level picture at 100 kts. Visibility was not the best and the absolute horizon was obscured. But, I can see forward!

The attachment Waiex 191 over the nose.png is no longer available

This shot was taken apprx 5 years ago- still with the 120HP Jab engine. The motor has since been replaced with a 120HP Edge EP915ECI. Over the nose sight picture is almost identical. Altimeter shows 2700 ft, which is amsl. The picture was take early spring (about +3 centigrades ambient ground temp)

jklPDXPilot wrote:Brock, where do you fly out of? I see Woodland and Scappoose freqs on your radio in the picture.

I fly out of Scappoose and am considering building a Sonex.

Would you be open to showing me your plane?

James

Sure James, come on over. PM sent.

As a followup on the sight picture I've made a few rigging changes that I think will solve things. I first started by tickling down the flaps switch (while in flight). Just a slight change made all the difference in lowering the nose. Then back at the hangar I looked closely and noticed that the flaps were up from the ailerons about a 1/2". When I set them up I did my best to align with a straight edge on a curved wing like the plans say but straight and curved don't agree. So this time I zeroed my electronic 6" protractor on the trail of the wing in front of the flaps then compaired to the trail edge of the flaps. The difference was 2 deg. So after turning the heim joints out 1-1/2 turns I had the flaps angle matching the wing and they also aligned evenly with the ailerons. How about that! I've not flown since as I'm replacing the AeroInjector with a Rotec carb.

The second thing I did was to print four of Peter's flap stops (pireted them from pictures and descriptions, hope you don't mind too much Peter). So with these installed, the flap comes up to where they should be and no higher. Again, waiting for the Rotec installation to go test it all out.

BRS wrote:
The second thing I did was to print four of Peter's flap stops (pireted them from pictures and descriptions, hope you don't mind too much Peter). So with these installed, the flap comes up to where they should be and no higher. Again, waiting for the Rotec installation to go test it all out.

Would you mind sharing the model so I could print a set of stops?

Tony,
PM sent. Don't think I can upload a STL here.