Sonex/Waiex Landing Technique

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Sonex/Waiex Landing Technique

Postby Andy Walker » Wed Aug 03, 2011 12:51 pm

Hey all...

I have never landed a Sonex, and at some point I'll have to. :mrgreen:

I'd love to hear your landing procedures & techniques in the Sonex/Waiex. I'm building a tri-gear, but interested in conventional gear too. The last plane I landed was a Tecnam P-92, and the landing was basically short final with full flaps @ 60kt, when the runway is made reduce power to idle and glide into the flare. Is the Sonex similar or way different?
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Re: Sonex/Waiex Landing Technique

Postby rizzz » Thu Aug 04, 2011 3:14 am

So would I!

I'm in the same boat as you are Andy,
I've landed Cessna 152's and 172's, Piper Warriors and Citabria's, but one day I'll have to land my Sonex.
What do I need to watch out for on that first landing?

Cheers,
Michael
Sonex #145 from scratch (mostly)
Michael
Sonex #145 from scratch (mostly)
Taildragger, 2.4L VW engine, AeroInjector, Prince 54x48 P-Tip
VH-MND, CofA issued 2nd of November 2015
First flight 7th of November 2015
Phase I Completed, 11th of February 2016
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Re: Sonex/Waiex Landing Technique

Postby N111YX » Thu Aug 04, 2011 8:50 am

Guys, I have never been in a tri-gear Sonex but a tailwheel landing is nothing unusual comapred to all other small airplanes.

I'm on base at about 85 mph and enter ground effect at about 65 using two of three notches of flaps which is a bit fast but...

a) there is no "sinking" tenedency (it does not sink a lot but approaching at 65 or less mph would require power)
b) I usually have 5000 feet of runway
c) I like the extra speed in case the engine quits, I rarely need power from abeam touchdown to touchdown

Notes...
-stall is about 50 mph indicated thus 1.3 X Vs0 is 65 mph would be an acceptable approach speed.
-for touchdown, I just work the last few feet to a three point attitude then wait for contact.
-my short field techinque is to use 3 notches and flaps and approach no slower than 60 mph (power is required for a normal glidepath.)

Your mileage may vary... :D
Last edited by N111YX on Thu Aug 04, 2011 11:26 am, edited 1 time in total.
Kip

2010 Waiex 0082 (first flight May 2010)
Jabiru 3300 #1637 and #3035
Dynon D-180
Becker radios
Garmin GDL 82 ADS-B
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Based near Atlanta

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Re: Sonex/Waiex Landing Technique

Postby Andy Walker » Thu Aug 04, 2011 9:16 am

N111YX wrote:Guys, I have never been in a tri-gear Sonex but a tailwheel landing is nothing unusual comapred to all other small airplanes. Nothing unusual.

I'm on base at about 85 mph and enter ground effect at about 65 using two of three notches of flaps which is a bit fast but...

a) there is no "sinking" tenedency (it does not sink a lot but approaching at 65 or less mph would require power)
b) I usually have 5000 feet of runway
c) I like the extra speed in case the engine quits, I rarely need power from abeam touchdown to touchdown

Notes...
-stall is about 50 mph indicated thus 1.3 X Vs0 is 65 mph would be an acceptable approach speed.
-for touchdown, I just work the last few feet to a three point attitude then wait for contact.
-my short field techinque is to use 3 notches and flaps and approach no slower than 60 mph (power is required for a normal glidepath.)

Your mileage may vary... :D


Thanks Kip! What is your speed on final, about 75mph, slowing to 65mph in the flare?
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Re: Sonex/Waiex Landing Technique

Postby N111YX » Thu Aug 04, 2011 11:33 am

Andy, like most small aircraft landings, I stop looking at the airspeed indicator from 50 feet on. The airspeed reference is the pitch angle of the nose, flat is fast, high is slow.

If I had to guess, I'd be about 65 mph entering the flare.

I would not try to disect the arrival too much regarding speeds and such. Use some target speeds and go by feel the rest of the way.

We can shoot a few landings when you get close to flying...:)
Kip

2010 Waiex 0082 (first flight May 2010)
Jabiru 3300 #1637 and #3035
Dynon D-180
Becker radios
Garmin GDL 82 ADS-B
1050 hours
48 states visited
Based near Atlanta

Also flying a...
2000 Kolb Firestar II, Rotax 503, 575 hours
N111YX
 
Posts: 705
Joined: Fri Jun 03, 2011 9:43 am
Location: Atlanta, GA USA

Re: Sonex/Waiex Landing Technique

Postby Andy Walker » Thu Aug 04, 2011 12:03 pm

N111YX wrote:Andy, like most small aircraft landings, I stop looking at the airspeed indicator from 50 feet on. The airspeed reference is the pitch angle of the nose, flat is fast, high is slow.

If I had to guess, I'd be about 65 mph entering the flare.

I would not try to disect the arrival too much regarding speeds and such. Use some target speeds and go by feel the rest of the way.

We can shoot a few landings when you get close to flying...:)


Yeah, I agree with you on the "fly by feel" comments. Once you have the approach speed close to where it should be, no need to look again. Especially if you have a long runway, if you're a little fast you can just wait for it to settle.

Sounds good on the landings...once I get a tailwheel endorsement. ;)
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