X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 09 May 2010 16:56:01 -0400 Message-ID: X-Original-Return-Path: Received: from snt0-omc3-s11.snt0.hotmail.com ([65.55.90.150] verified) by logan.com (CommuniGate Pro SMTP 5.3.6) with ESMTP id 4251810 for lml@lancaironline.net; Fri, 07 May 2010 21:38:30 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.90.150; envelope-from=bill_kennedy_3@hotmail.com Received: from SNT139-W29 ([65.55.90.137]) by snt0-omc3-s11.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Fri, 7 May 2010 18:37:55 -0700 X-Original-Message-ID: X-Original-Return-Path: bill_kennedy_3@hotmail.com Content-Type: multipart/alternative; boundary="_be167bd1-6436-4004-9eae-15ae071da008_" X-Originating-IP: [71.111.125.230] From: Bill Kennedy X-Original-To: Subject: RE: [LML] Desser Tires Air Pressure X-Original-Date: Fri, 7 May 2010 18:37:54 -0700 Importance: Normal In-Reply-To: References: MIME-Version: 1.0 X-OriginalArrivalTime: 08 May 2010 01:37:55.0375 (UTC) FILETIME=[14E353F0:01CAEE4F] --_be167bd1-6436-4004-9eae-15ae071da008_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sounds like the standard pressure under 40 PSI problem. Somehow our little = rims are damaging the tube. It took me a while to figure it out and I was i= nitially using 35 PSI=2C but I keep 50 PSI in my tires now. They wear the t= read off the middle more than the edges=2C but don't get flats. I still get= lots and lots of landings out of my tires (the cheap ones). It never seeme= d to happen at my home field. > To: lml@lancaironline.net > Date: Fri=2C 7 May 2010 20:47:46 -0400 > From: lorn@dynacomm.us > Subject: [LML] Desser Tires Air Pressure > . > I just landed at St Simons Island (KSSI) and had a flat. This landing and= the prior landing were smooth although this one was a little fast. They ha= ve just cut grooves in the KSSI runway giving great traction but also spinn= ing the tires instantly up to 90. >=20 > The right tire still had 44 lbs psi of nitrogen. I assume that the left (= before the flat) had the same pressure. Neither of the tires looked low pri= or to the flight. >=20 > The flat was the same type that I have had in the past. The inside of the= tube right in the middle there is a very small leak. I am bringing the tir= e home and will have it examined under a microscope to see if we can see wh= at caused the problem. >=20 > I got the tires and tubes directly from Desser. They are about 1 year and= have about 120 landings. >=20 > Remember that my calculation show that my empty weight has approximately = 400 lbs on the mains and nose. When at 1=2C900 lbs gross=2C there is about = 320 lbs on the nose and 790 lbs on the mains. The Desser tires are rated fo= r 500 lbs at 70 psi. >=20 > I am thinking that the tube is slipping/rubbing against the tire at press= ures below 40 psi causing the small holes in the side of the inner-tube. I = use talc on the tube. This time I also used talc on the tire to seat it on = the tube. The tire seated very easily but I am not sure whether this will c= ause slipping in the future. >=20 > Can anyone help me with a recommendation as to the tire pressures that th= ey are keeping in both the mains and the Nose. >=20 > -- > Lorn H. 'Feathers' Olsen=2C MAA=2C ASMEL=2C ASES=2C Comm=2C Inst > DynaComm=2C Corp.=2C 248-345-0500=2C mailto:lorn@dynacomm.us > LNC2=2C FB90/92=2C O-320-D1F=2C 1=2C700 hrs=2C N31161=2C Y47=2C SE Michig= an >=20 >=20 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.ht= ml =20 _________________________________________________________________ The New Busy is not the too busy. Combine all your e-mail accounts with Hot= mail. http://www.windowslive.com/campaign/thenewbusy?tile=3Dmultiaccount&ocid=3DP= ID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_4= --_be167bd1-6436-4004-9eae-15ae071da008_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sounds like the standard pressure under 40 PSI problem. Somehow our little = rims are damaging the tube. It took me a while to figure it out and I was i= nitially using 35 PSI=2C but I keep 50 PSI in my tires now. They wear the t= read off the middle more than the edges=2C but don't get flats. I still get= lots and lots of landings out of my tires (the cheap ones). It never seeme= d to happen at my home field.

>=3B To: lml@lancaironline.net
&g= t=3B Date: Fri=2C 7 May 2010 20:47:46 -0400
>=3B From: lorn@dynacomm.u= s
>=3B Subject: [LML] Desser Tires Air Pressure
>=3B .
>=3B = I just landed at St Simons Island (KSSI) and had a flat. This landing and t= he prior landing were smooth although this one was a little fast. They have= just cut grooves in the KSSI runway giving great traction but also spinnin= g the tires instantly up to 90.
>=3B
>=3B The right tire still h= ad 44 lbs psi of nitrogen. I assume that the left (before the flat) had the= same pressure. Neither of the tires looked low prior to the flight.
>= =3B
>=3B The flat was the same type that I have had in the past. The = inside of the tube right in the middle there is a very small leak. I am bri= nging the tire home and will have it examined under a microscope to see if = we can see what caused the problem.
>=3B
>=3B I got the tires an= d tubes directly from Desser. They are about 1 year and have about 120 land= ings.
>=3B
>=3B Remember that my calculation show that my empty = weight has approximately 400 lbs on the mains and nose. When at 1=2C900 lbs= gross=2C there is about 320 lbs on the nose and 790 lbs on the mains. The = Desser tires are rated for 500 lbs at 70 psi.
>=3B
>=3B I am thi= nking that the tube is slipping/rubbing against the tire at pressures below= 40 psi causing the small holes in the side of the inner-tube. I use talc o= n the tube. This time I also used talc on the tire to seat it on the tube. = The tire seated very easily but I am not sure whether this will cause slipp= ing in the future.
>=3B
>=3B Can anyone help me with a recommend= ation as to the tire pressures that they are keeping in both the mains and = the Nose.
>=3B
>=3B --
>=3B Lorn H. 'Feathers' Olsen=2C MAA= =2C ASMEL=2C ASES=2C Comm=2C Inst
>=3B DynaComm=2C Corp.=2C 248-345-05= 00=2C mailto:lorn@dynacomm.us
>=3B LNC2=2C FB90/92=2C O-320-D1F=2C 1= =2C700 hrs=2C N31161=2C Y47=2C SE Michigan
>=3B
>=3B
>=3B = --
>=3B For archives and unsub http://mail.lancaironline.net:81/lists/= lml/List.html

The New Busy is not the too busy. = Combine all your e-mail accounts with Hotmail. Get busy. = --_be167bd1-6436-4004-9eae-15ae071da008_--