On Feb 20, 5:17*am, toad wrote:
I have a Grob 102 and it's making a very loud noise when flying fast
with the nose vent closed down. *The noise comes from the nose area
and goes away when I open the vent.

I would like to be able to close the vent sometimes, because it gets
cold :-)

Any ideas what might be happening ? * It didn't always do this.

Todd Smith
3S

Todd,

Put a bunch of drinking straws 3" to 4" in length fill the hole in
the vent from the rear.

That solved the problem for me in a ventus b

Richard
www.craggyaero.com