Deturbulator Announcements

My interest has turned to examining the effects on the boundary flow from the leading edge tapes by

Until last Saturday, I had only one set of sink rate measurements for speeds below 60 KIAS with the

The recent article on the impact of high humidity on the large performance changes from the top side

Four partial polars taken a year ago exhibited a curious performance notch at 49 or 51 KIAS,

Since finding that the lower-surface leading-edge tape modification alone adds significantly to the

The Hyvärinen report has been revised. You can read it at: http://www.deturbulator.org/Hyvarinen/

A lot has happened over this spring and summer. After discovering that the leading edge tapes alone,

Much has been happening lately regarding the lower-surface 12mm wide leading edge tape modification.

The Deturbulator Project website is back on the air again. Jim Hendrix Oxford Signal Processing 417 N

The Deturbulator website is down temporarily as the web hosting company is moving it to another

Since 2003, I have been the only person flying with deturbulation devices on my wings. The only

The first reports from others experimenting with lower surface Deturbulator Tapes ( http://www.

I have just posted an article (in PDF format) on the Deturbulator Tape modification to a Standard

Jari, Here is today's sink rate data (red). Conditions were poor, but I wanted to get a rough

All, It appears that, after years of work, I have finally arrived at a simple, cheap and easy to

This group was set up for announcements only so subscribers would not be overwhelmed with messages.

An improved video of simulated flow dynamics behind a small rear-facing step located near the leading

Tom, Yes, it was very exciting to see improved performance on the vario all across the high speed

I took a set of sink rate measurements last Saturday in which I removed the upper side of the leading

All, Ok, here are four sets of sink-rate measurements on my glider with the only (effective) mod

A second measurement of sink-rates has been taken with the leading-edge-tape-only configuration. The

All, As you know, a small, rear-facing step near the leading edge of the wing is a critical part of

John, You have touched on the issue that may explain the wild variations in performance values vs.

A growing number of people are taking part in the deturbulator project or related research efforts. A

If you have a Standard Cirrus glider, or a glider such as a Libelle with similar Wortmann wings, you

Preliminary evidence indicates that the leading-edge tapes, that present a minute rear-facing step to

I have tweaked the article , entitled Anatomy of an Extreme Performance Event, to more accurately

A new article, entitled Anatomy of an Extreme Performance Event, has been posted to www.deturbulator.

You may be interested in a video snippet of a sudden onset of deturbulator performance. Click http://

http://www.deturbulator.org/20100402-50KIAS_MovingAvg_800w.gif All, Another performance test flight