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1st post
Author Last Post
Pat,
 
. . . . along with Joe's suggestion to keep the TW tire pressure in the 60# range, check the following. . .
 
Have the TW "hub" thru bolt checked for correct pre-loading of the bearings.  If the TW stinger was worked on, it is probably a good guess that the hub came off.  And, when reinstalled the thru bolt was not tensioned correctly.
As a final check if still occurring, take the hub apart and see if all the internal tension/friction springs are in place.
Dave
 

----- Original Message -----
Sent: Monday, February 06, 2017 4:59 PM
Subject: re: 1st post <<$165753558430$>>

Hi Patrick,  Your performance numbers sounds reasonable but as MAD suggested MP and RPM will be necessary for a good comparison.   For tailwheel shimmy, first thing to check is the tire pressure.  I have owned several tailwheel airplanes and a soft tailwheel would cause shimmy in all of them.  I keep mine about 60 psi.  Safe flying,  Joe



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Good point!  

My power setting is usually 23 in and 2350 rpm. 67% power. 

Rgs

patrick
 
Hi Patrick,  Your performance numbers sounds reasonable but as MAD suggested MP and RPM will be necessary for a good comparison.   For tailwheel shimmy, first thing to check is the tire pressure.  I have owned several tailwheel airplanes and a soft tailwheel would cause shimmy in all of them.  I keep mine about 60 psi.  Safe flying,  Joe
 
Welcome to the club. That's cool you kept your fathers 185.
Can you provide Manifold and RPM settings as well as indicated airspeed. 
Where do you keep the plane?
 
HI Forum,

      I am relatively new to the C185 and taildragger world.  So far, its been fun & challenging.  I am keeping my father´s airplane.  Many questions on the airplane, particularly cruise speeds.  I am getting around 135-138 kts TAS at 7500 ft, usually lightly loaded and full fuel.  THe plane has the snider speed kit and bubble windows and vg´s.  Fuel burn at cruise is around 14.5 gal/hr.  Engine is the IO520.  Does that sound about right to you guys? 

      Next question, the stinger in the tail was out of alignment.  The tech replaced it with some stinger from Alaska that has a 5 degree angle.  While I never got tail wheel shimmy with the old one, I am experiencing with this one on the takeoff roll and some landings.  What is the cure for that? 

Rgs,
Patrick.   
 
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