---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Sat 05/14/05: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:56 PM - News paper article on Range Riders (WillUribe@aol.com) 2. 09:32 PM - Re: Firestar 2 Vortex Generator Tests (Richard Pike) ________________________________ Message 1 _____________________________________ Time: 07:56:22 PM PST US From: WillUribe@aol.com Subject: Kolb-List: News paper article on Range Riders --> Kolb-List message posted by: WillUribe@aol.com http://www.lavenpublishing.com/monitor/2005/04April/042105/mon042105.pdf http://members.aol.com/firestartwo/dave.jpg http://home.elp.rr.com/airplane/Monument.jpg Greetings Kolb fans, The list has been slow so I have an article on Dave Rains flying his ultralight. Please go to page seven of The Monitor. To make it Kolb related I also added a link to his Kolb and a link to the first ever MV fly-in July 2001 ;-) Enjoy, Will Uribe FireStar II N4GU El Paso, TX do not archive. ________________________________ Message 2 _____________________________________ Time: 09:32:44 PM PST US From: Richard Pike Subject: Re: Kolb-List: Firestar 2 Vortex Generator Tests --> Kolb-List message posted by: Richard Pike I guess I phrased it wrong - our stall speed did not increase 5 mph, it is just that because our airplane is heavy, it stalls 5 mph faster than yours, but still slower than before we added the vg's. And instead of putting lead weights in the nose - we raised the front stabilizer mount attach point about 3/4" Richard Pike MKIII N420P (420ldPoops) At 03:27 PM 5/13/2005 -1000, you wrote: >--> Kolb-List message posted by: "David L. Bigelow" > >Richard, > >Interesting that the stall speed is increased on your Firestar. Like you, >I find the handling improvement to be the biggest benefit. Before VG's I >found the FS to handle in a somewhat "sloppy" manner. My remarks about >new pilots getting some time in the Firestar before installing VG's is >because of the difference in stall characteristics. In an unmodified >Kolb, if you get slow in the base turn, the nose just sort of drops a bit >and the sink increases until you relax back pressure - not too likely to >be fatal. With VG's, when it stalls, the nose drops to at least 20 >degrees nose down, and a definite recovery is needed. This could ruin >your whole day when close to the ground. > >One thing else I forgot to mention is a small change in trim. With VG's >(at the same airspeed as without VG's) the aircraft is a bit more nose >heavy. It would appear that the VG's cause the center of lift of the wing >to move aft. This is good for me - even with a some aileron droop rigged, >I ended up putting 6 pounds of lead weights in the nose cone. > >Dave Bigelow >FS2 >Kamuela, HI > >