EB28 Electronic Turbulators

I've just read this months offering of Sailplane and Gliding. there is
an article on the new EB28 and in the article they reference having had
electronic turbulators fitted. Could someone explain what these are please.

Thanks,

Phil

The EB28 has the usual blow-holes on the underside of the wings that control
the boundary layer separation. The airflow to these holes is controlled by
electrically operated valves that open or close in response to the glider's
airspeed. This is supposed to optimise the turbulating effect of the holes
in accordance with the glider's airspeed.

David Starer

"phil collin" wrote in message
...
I've just read this months offering of Sailplane and Gliding. there is an
article on the new EB28 and in the article they reference having had
electronic turbulators fitted. Could someone explain what these are
please.

Thanks,

Phil

And if they quit on final? Shades of Gus Raspet.

At 23:06 03 August 2006, David Starer wrote:
The EB28 has the usual blow-holes on the underside
of the wings that control
the boundary layer separation. The airflow to these
holes is controlled by
electrically operated valves that open or close in
response to the glider's
airspeed. This is supposed to optimise the turbulating
effect of the holes
in accordance with the glider's airspeed.

David Starer

'phil collin' wrote in message
...
I've just read this months offering of Sailplane and
Gliding. there is an
article on the new EB28 and in the article they reference
having had
electronic turbulators fitted. Could someone explain
what these are
please.

Thanks,

Phil

Nyal Williams wrote:
And if they quit on final?

Quit = fully closed - no turbulation: Your drag increases slightly and
you have close the spoilers slightly to compensate.

Quit = fully open - full turbulation: probably normal operation.

Johnson regularly disables the turbulators on the gliders he tests,
including those with blowholes. He doesn't report any change in flight
behavior.

Shades of Gus Raspet.

Huh?


At 23:06 03 August 2006, David Starer wrote:
The EB28 has the usual blow-holes on the underside
of the wings that control
the boundary layer separation. The airflow to these
holes is controlled by
electrically operated valves that open or close in
response to the glider's
airspeed. This is supposed to optimise the turbulating
effect of the holes
in accordance with the glider's airspeed.

David Starer

'phil collin' wrote in message
...
I've just read this months offering of Sailplane and
Gliding. there is an
article on the new EB28 and in the article they reference
having had
electronic turbulators fitted. Could someone explain
what these are
please.

Thanks,

Phil







--
Change "netto" to "net" to email me directly

Eric Greenwell - Washington State, USA

www.motorglider.org - Download "A Guide to Self-launching Sailplane
Operation"