Topic Index
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?Forgiving Taildragger
(Sep 20, 08)
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140A Current POH ???
(May 28, 07)
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170 Tailwheel parts
(Jan 08, 04)
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180 Cowl Flaps
(Mar 07, 04)
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180hp conversion
(May 24, 07)
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185 parts
(Oct 10, 03)
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1965 Citabria POH
(Jul 07, 05)
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29x11-10 4Ply Tires
(Mar 11, 06)
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Aeronca Festival
(Feb 10, 04)
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Airplane part supplier
(Sep 02, 10)
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Bellanca 14-19
(Oct 28, 03)
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Busby Mustang 2
(Aug 01, 08)
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Buying and Insuring
(Jan 22, 06)
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C-150 Conversions
(Mar 23, 04)
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C-170 Gear legs
(Feb 27, 09)
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C-170A Scot tail wheel
(Aug 07, 08)
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C-170B GEAR LEGS
(Oct 26, 05)
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C-172 Conversions
(Jul 25, 04)
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C-180 wt & balance
(Dec 27, 03)
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C180 carb icing?
(Jul 28, 06)
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Cessna 162 LSA, Mod.
(Feb 20, 09)
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Cessna 207
(Dec 08, 06)
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Cessna Wheel Pants
(Jan 18, 04)
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Champ cowlings
(Mar 07, 05)
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Citabria for less?
(Apr 18, 06)
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Citabria Instument Pan
(Nov 04, 04)
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citabria or 170
(May 22, 05)
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Citabria towing?
(Mar 28, 06)
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Climb Prop
(Apr 01, 08)
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Conversion Info
(Sep 17, 04)
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corrison/ internal
(May 29, 06)
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Crosswinds and Flaps
(Mar 11, 05)
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early C-180 Questions
(Nov 25, 09)
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Fabric Work
(Dec 13, 04)
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Fairchild PT-23
(Jun 17, 06)
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Fly In Breakfast
(Sep 30, 05)
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Fly/In Cruise/In
(Jan 17, 04)
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Fly/In Cruise/In 2007
(Dec 29, 06)
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Grassroots Airports
(Mar 16, 07)
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Hi from a new member
(May 02, 07)
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Husky A1-B tailwheel
(Jan 13, 08)
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Info on a 14-19-2
(Sep 29, 04)
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J-3 Cub Weight & Bal.
(Jan 20, 05)
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Landings
(Aug 17, 03)
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M5 Flaps
(Aug 22, 04)
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madras problems/150tw
(Apr 25, 08)
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Maule or Cessna?
(Nov 08, 03)
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Missionary Training
(Jul 12, 04)
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OVC~S
(Jul 16, 04)
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PA-11 handbook
(Jun 05, 04)
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PA-12-160hp
(Mar 30, 05)
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PA-17 Piper Vagabond
(Jan 15, 05)
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Piper 22/20
(Mar 04, 06)
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Piper PA20 purchase
(Aug 17, 08)
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Propellers
(Dec 05, 03)
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Ragwing170 fuel tanks
(Oct 09, 06)
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Scott tailwheel
(Mar 04, 06)
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Ski-plane operations
(Feb 24, 07)
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T-Wheel Shimmy-Help!
(Aug 29, 04)
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Tail Wheel Setup
(Jun 26, 08)
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Tailwheel art
(Mar 16, 06)
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Test...
(Dec 11, 04)
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Third Seat-Citabria
(Apr 12, 06)
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trucking a Cessna 140?
(Mar 24, 06)
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Turbine Power
(Feb 26, 04)
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User fees
(Aug 06, 06)
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V-Tailed Taildragger?
(Aug 29, 07)
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Vintage mag switch
(Aug 27, 06)
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vortex generators
(Jan 01, 08)
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Wanted
(Nov 02, 03)
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What plane to buy????
(Sep 20, 09)
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Add a new topic...
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T-Wheel Shimmy-Help! Ah! Much Better! I think it may need a little more grease on the kingpin, but there is no shimmey. I did put on a new tire while I had it apart, so that might make some difference. -
Bruce Sdunek Aug 07, 07
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post a reply...
) I have a C-150/150 which I converted to a tailwheel about 8 years ago. Using a Maule "Tundra" tailwheel I've always had minor shimmy problems. Seems to be much worse the last few months. I've adjusted all the angles, balanced the wheel, etc. Everything I can think of. Usually the shimmy has been initiated by landing the airplane heavy and maybe a little hard. Lately it can happen any time. Made a flawless landing yesterday, calm air, smooth runway, and as the airplane slowed down on the roll out the tailwheel went crazy around (my guess) 20-25 mph...at which speed there's not enough elevator authority to ease the weight on the wheel. On the next TAKEOFF, same conditions, did same thing up around that speed. I believe I could cure this problem with a Scott 3200 but can't see my way clear to write the $800+ check right now. Anyone out there have any suggestions? Thanks. -
Dan Meler Aug 29, 04
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post a reply...
) Through three tail wheel champs over the years I have found that if the vertical swivel shaft angle is slightly over vertical ( accomplished by greater spring bend or an angled wedge between the spring and tail wheel) no shimmy problems seam to occur. When there is a rear passenger or downward elevator force the spring and shaft angle changes from when it is sitting. By over compensating for the spring straightening on landing the shaft will be vertical when under landing conditions. -
Michael Quindazzi Dec 21, 04
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post a reply...
) Dan: FWIW...I have a Scott tailwheel on my Citabria and I agree with the comments from Michael Quindazzi and Jeff Marken relative to the spring adjustment and the grease issue. I experienced the tail shimmy soon after acquiring my plane about 3 years ago and adjusted the spring and maintenanced the lubrication appropriately and have not had any problems since. -
Walter Lentz Jun 15, 05
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post a reply...
)
THe angle is definitely important...but also, Cessnas with Scott tailwheels shimmy if they have too much grease in them. Most folks pump in the grease until it comes out, which is normal for most things you grease, but a Scott tailwheel should just have a little. If you take it apart and clean it - just dab a tiny bit of grease on with your finger, or just give it a pump or two, that's all you need, and your shimmy problems will be gone. At least this is the case for the Cessna 170 and 180. -
Jeff Marken Feb 16, 05
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post a reply...
) That's interesting! Maybe it makes them too free. Mine has been fine until my last annual. They pumped it so full of grease it's all over the outside. I think I'll clean it out and try just enough to lubricate things.
Thanks for the advice. -
Bruce Sdunek Jul 07, 07
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post a reply...
) Had a 152/150 years back. Same problem. I had the hard
tire so I changed to a Scott 3200. Problem was solved
for 2 years and the same thing happened. If your tire is
inflatable, put 45 PSI in it and try again. The Scott
people told me that the less rubber on the runway, the less
it has a change to shimmy. It worked. By the way, I came
across 2 scott 3200's when I built my Hatz. If you need one that has just been reconditioned, let me know. Good Luck.
Bill OParowski -
William Oparowski Oct 29, 04
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post a reply...
) Bill,
Do you still have a available Scott 3200 tailwheel? If so, what do you want for it?
Regards,
Mike Kelly -
Mike Kelly Aug 25, 07
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post a reply...
)
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