Hi Bob, I use a carbon rod about .075 diameter, then sand the very ends slightly so that they slip fit into a Sullivan threaded clevis. I glue one end in with thick CA and then mount everything up in the wing, turn on the RX and let the everything center. The rod end that is not glued just slips to its length inside the clevis hole for perfect length...then I just work that surface a bit with the appropriate TX stick so that the end of the rod gets exposed, then I put some CA on it, let go of the stick and hit it with Kicker. If you need to adjust for some reason after, or remove the clevis' to use somewhere else, just use a lighter on the glued end, it will light on fire a bit, burning away the CA. A little clean up and you are ready to use the clevis again or re-glue the joint you wanted to adjust. If you'd like some photos of this, just ask :-). Gordy In a message dated 4/4/2008 6:08:43 A.M. Eastern Daylight Time, [EMAIL PROTECTED] writes:
There are several types of servo savers. Some have spings on the rod to relieve the stress of a flap down landing. Last ones I saw were 10 years ago and I think Skip Schow had them on a plane. If now, he probably knows who did. ----- Original Message ----- From: Michael Whitman To: Robert P Buxton Cc: soaring@airage.com Sent: Thursday, April 03, 2008 9:36 PM Subject: Re: [RCSE] Aileron & Flap Carbon Fiber Pushrods I haven't had first hand experience with carbon pushrods but I would guess that you could also run the risk of stripping a servo with a stiffer linkage if you failed to retract the flaps on landing again. It's cheaper to replace or fix the pushrod instead of a wing servo. Mike On Apr 3, 2008, at 2:56 PM, Robert P Buxton wrote: Open Question to the group: Has anyone had experience (good or bad) with using carbon fiber push rods for their aileron & flap servo linkage. This past season, due to slow thumb response at that critical moment of retracting flaps just before touch down, I was bending the flap push rods (bottom hinged, linkage on top of flap, servo arm on bottom of wing. Carbon fiber rods would give stiffness/rigidity but would they be prone to breakage? This set up was/and is on a F3J 144" Shadow. All comments and suggestions would be greatly appreciated. Regards, Robert Robert P Buxton CONFIDENTIALITY NOTICE: This email message, including any attachments, is intended only for the use of the intended recipient(s) and may contain information that is privileged, confidential and prohibited from unauthorized disclosure under applicable law. If you are not the intended recipient of this message, any dissemination, distribution or copying of this message is strictly prohibited. If you received this message in error, please notify the sender by reply email and destroy all copies of the original message. No virus found in this incoming message. Checked by AVG. Version: 7.5.519 / Virus Database: 269.22.5/1356 - Release Date: 4/2/2008 4:14 PM RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format **************Planning your summer road trip? Check out AOL Travel Guides. (http://travel.aol.com/travel-guide/united-states?ncid=aoltrv00030000000016)
