---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Mon 01/28/08: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 03:21 AM - Torque tube lubrication (JonSmith) 2. 09:57 AM - Re: Torque tube lubrication (Carl Pattinson) ________________________________ Message 1 _____________________________________ Time: 03:21:59 AM PST US Subject: Europa-List: Torque tube lubrication From: "JonSmith" Hi, I'd like to ask for advice on suitable products for lubricating the tailplane torque tube where it goes through the fuselage bushes, both on initial fitting and subsequent servicing? Mine had got quite stiff - elevator control felt fine but checking mass balancing was rather imprecise due to friction. I'm about to reinstall it following removal for the mod 62 oversize pins and Bob harrisons (excellent) clamp mod. During a trial fit I gave the bushes a light oiling with some 3 in 1 type oil and it was enormously improved; virtually friction free. Is a smear of this sort of light oil, and periodic re-application considered suitable or are there better ideas? I think mine had been greased previously (didn't build it myself) but the grease seems to have gummed it up over time. I know some people have built in lubricating tubes but I do not have this. Thanks, Jon Visit - www.EuropaOwners.org ________________________________ Message 2 _____________________________________ Time: 09:57:26 AM PST US From: "Carl Pattinson" Subject: Re: Europa-List: Torque tube lubrication You may well find that that your TP12 assemblies are slightly distorted due to the welds. We had this problem which didnt really manifest itself until the lid was on after which it was too late. Certainly using a light oil is better than using grease and seems to provide better lubrication especially with the tufnol bearings (eg: the roll tubes under the seats). We drilled 1/4" in holes in the upper sides of most bearings (including the tailplane tubes) and drizzle 3 in 1 oil through these on a regular basis. Whilst a friction free system is desirable to set the counter balance weights it is probably better to have some stiffness in the pitch control as this will provide a degree of damping in flight. Carl Pattinson G-LABS ----- Original Message ----- From: "JonSmith" Sent: Monday, January 28, 2008 11:18 AM Subject: Europa-List: Torque tube lubrication > > > Hi, I'd like to ask for advice on suitable products for lubricating the > tailplane torque tube where it goes through the fuselage bushes, both on > initial fitting and subsequent servicing? > > Mine had got quite stiff - elevator control felt fine but checking mass > balancing was rather imprecise due to friction. I'm about to reinstall it > following removal for the mod 62 oversize pins and Bob harrisons > (excellent) clamp mod. During a trial fit I gave the bushes a light > oiling with some 3 in 1 type oil and it was enormously improved; virtually > friction free. > > Is a smear of this sort of light oil, and periodic re-application > considered suitable or are there better ideas? I think mine had been > greased previously (didn't build it myself) but the grease seems to have > gummed it up over time. I know some people have built in lubricating > tubes but I do not have this. > > Thanks, Jon > > > Visit - www.EuropaOwners.org > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message europa-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Europa-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/europa-list Browse Digests http://www.matronics.com/digest/europa-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.