The roughness of the frost causes the boundary layer to slow, stagnate and separate earlier than it would otherwise while the VG's cause a spinning cone of air to move back across the wing which re-energizes the boundary layer. I hope that makes sense. Its really neat that on many airplanes VG's don't lower top speed (some do have a slight decrease in top end speed) because the extra drag that the VG's themselves are generating is offset by the the reduced drag that the overall wing has due to the boundary layer staying energized and close to the wing. That's why golf balls have dimples, to decrease the low pressure wake behind the ball and decrease overall drag and make the ball go further.
Robertson is great, but did not invent the vortex generator. Robertson was simply one of the first persons to say "hey, why isn't anyone trying to use VG's on small G.A. planes?" and then have the guts to go out and start experimenting and flight testing them on Barons and Cessna's
Horizon Hobby has them for the Carbon Cub S+.. www.horizonhobby.com/airplanes/park-flyers/carbon-cub-s-13m-rtf-p-hbz3200 look under parts & accessory's
At 3.45 minutes in your video gives the best explanation of the VG ,thanks so much ,much appreciated and loved the whole video .
So simple, yet very effective. This will certainly be found on my Cessna in the near future!:)
Just got them installed on my C150L. Now I can do approaches easily at 60mph.
Awesome stuff! Recognized most of the planes and people in this video! :-)
So it's highly recomendable to install those on my tripacer as we all know that from airplane turns into a flying brick on final. Kudos.
Ive always wondered why a coat of frost ruins lift yet VGs a half inch high makes lift better. Explain it??
The roughness of the frost causes the boundary layer to slow, stagnate and separate earlier than it would otherwise while the VG's cause a spinning cone of air to move back across the wing which re-energizes the boundary layer. I hope that makes sense. Its really neat that on many airplanes VG's don't lower top speed (some do have a slight decrease in top end speed) because the extra drag that the VG's themselves are generating is offset by the the reduced drag that the overall wing has due to the boundary layer staying energized and close to the wing. That's why golf balls have dimples, to decrease the low pressure wake behind the ball and decrease overall drag and make the ball go further.
interesting, I just bought a Cessna 152, tri- and I live in the northern mountains of BC, can these really help me, and the handling of my plane????
Blaine Jobin Yes they will help you get off the ground sooner and help tremendously on your low speed manuverability landing and taking off.
Robertson is great, but did not invent the vortex generator. Robertson was simply one of the first persons to say "hey, why isn't anyone trying to use VG's on small G.A. planes?" and then have the guts to go out and start experimenting and flight testing them on Barons and Cessna's
do you make these for R/C planes? if not, please direct me to someone who can provide and thanks for the great video CubCrafters!!!
Horizon Hobby has them for the Carbon Cub S+.. www.horizonhobby.com/airplanes/park-flyers/carbon-cub-s-13m-rtf-p-hbz3200
look under parts & accessory's
I'm surprised the FAA doesn't mandate vortex generators.
FAA is all about assigning blame, not making anything safe.
can i put these on my biplane its a ragwing special
MrRandyhaynes yes you sure can you probably have already they are well worth it!