Website showing all different clearance devices.

[Ender]

There are quite a few i had never heard of. I like the idea of the one attached to the neb, but it says it needs a lot of power. <img src="i/expressions/face-icon-small-tongue.gif" border="0">

<a target=_blank class=ftalternatingbarlinklarge href="http://www.rtmagazine.com/article.php?s=RT/2006/07&p=6
">http://www.rtmagazine.com/article.php?s=RT/2006/07&p=6
</a>
also says pep might be better than flutter.

 

[Mockingbird]

They don't mention autogenic drainage or active cycle. I guess those aren't "technology", but I think they at least deserve a mention. <img src="i/expressions/face-icon-small-disgusted.gif" border="0">