Search found 12 matches

by n49ex
Sat May 20, 2023 9:18 pm
Forum: Wheeler General Information
Topic: Pitot tube location
Replies: 3
Views: 53198

Re: Pitot tube location

Should not make any difference, as long as you put it out toward the end, so no possibility of prop wash interference. That said, a big consideration in achieving accuracy is where you put your static ports. I wrote an extensive article on that and it includes Express specific data. https://www.kitp...
by n49ex
Sun Nov 28, 2021 1:47 pm
Forum: Wheeler Documents
Topic: Oshkosh 2021
Replies: 4
Views: 60894

Re: Oshkosh 2021

I can help too. Reinhard Metz, N49EX, n49ex@aol.com
by n49ex
Sun Jan 28, 2018 11:20 pm
Forum: Wheeler General Information
Topic: Buying my 1st express.
Replies: 4
Views: 46978

Re: Buying my 1st express.

Folks, this discussion is in the land of wizards and goblins! Get some real information! I built and own N49EX, a cruciform tail version with an I/O-390 210 horse engine and Hartzell three blade scimitar prop. The plane meets its advertised numbers and stalls clean about 63mph (yes, not kts!) and di...
by n49ex
Sat Nov 04, 2017 8:13 pm
Forum: Wheeler General Information
Topic: so many nose gear leg collapses!
Replies: 4
Views: 30286

Re: so many nose gear leg collapses!

My previous post - my computer did a strange thing appending an irrelevant email address to my name. Please disregard.
Reinhard
by n49ex
Sat Nov 04, 2017 8:11 pm
Forum: Wheeler General Information
Topic: so many nose gear leg collapses!
Replies: 4
Views: 30286

Re: so many nose gear leg collapses!

The nose gear strut that the original Wheeler company made when Ken was still there had serious strength problems. They were painted gray. When Larry Olson ran the company, he re-designed it with a much thicker tube and the vertical sheer plate at the bottom end, and they are black powder coat. I ha...
by n49ex
Tue Aug 29, 2017 6:37 am
Forum: Wheeler General Information
Topic: Trim Tabs
Replies: 1
Views: 16496

Re: Trim Tabs

I have the standard trim tab with the MAC servo, and it works very well. Plus with the G3X AP, it operates the servo to null out the elevator forces. I don't have any experience with bias springs, but intuitively my sense is that they may reduce some forces but can never compensate completely for al...
by n49ex
Mon Apr 24, 2017 4:35 pm
Forum: Wheeler General Information
Topic: Differences in express models
Replies: 2
Views: 21169

Re: Differences in express models

In the early days of the Express, it was discovered that the cruciform tail was subject to one nasty behavior under certain limited circumstances. Flying slow, below about 70mph, with no flaps and full rudder, the tail will eventually stall, leading to a very abrupt nose-over. While that sounds dras...
by n49ex
Tue Mar 28, 2017 9:24 pm
Forum: Wheeler General Information
Topic: Body Fairings.. Seat Sliders.
Replies: 3
Views: 26859

Re: Body Fairings.. Seat Sliders.

Like Kevin suggested, adding a linear actuator under the seat is the way to go. There are nice small ones available out there. I have a pair of rocker switches in the center console to adjust them. The other thing I did is to laminate the seat slides with 1/8th" by 2" wide teflon form McMa...
by n49ex
Tue Mar 28, 2017 9:16 pm
Forum: Wheeler General Information
Topic: Static port location
Replies: 5
Views: 32723

Re: Static port location

I did have a pitot mast which included the static ports, and found that after adding the G3X Touch autopilot, the AP hunted vertically. evidently the pitot integrated static ports deliver slightly varying pressure with changes in AOA, not noticeable on the altimeter, but causing AP instability. As a...
by n49ex
Mon Mar 27, 2017 6:41 pm
Forum: Wheeler General Information
Topic: linear actuator for flaps
Replies: 12
Views: 59455

Re: linear actuator for flaps

Tried posting a response before, but somehow it disappeared! The plane is now up to about 1150 hours and going strong! I absolutely love the glass panel and can't say enough good things about the Garmin G3X Touch system, especially the autopilot, whose precision and stability are astonishing. And I ...