Yak-List Digest Archive

Sun 10/05/08


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 07:44 AM - Re: command push pull cables (Roger Kemp MD)
     2. 07:57 AM - Re: command push pull cables (John Cox)
     3. 09:59 AM - Re: command push pull cables (Roger Kemp MD)
     4. 06:52 PM - Yak CHT Thermocouple (Scott Glaser)
 
 
 


Message 1


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    Time: 07:44:10 AM PST US
    From: "Roger Kemp MD" <viperdoc@mindspring.com>
    Subject: command push pull cables
    Doug, You found a trained 3 foot monkey with 12" fingers? Is he/she for rent? If so, how much?! Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Forrest Johnson Sent: Saturday, October 04, 2008 4:23 PM Subject: Re: Yak-List: command push pull cables I have experienced almost complete lockage of the throttle and prop controls. Could not find any binding in the tubes forward of the front cockpit controls. The binding was bwtween the front cockpit and rear, somebody had tightened the control lock in the rear and moving the front bent the tubes between the two. My advise is to remove the rear control lock knob. ----- Original Message ----- From: doug sapp <mailto:dougsappllc@gmail.com> Sent: Saturday, October 04, 2008 10:19 AM Subject: Re: Yak-List: command push pull cables Cy, Most of the time the problem is not with the inner cable assembly, the problem is caused by the soft copper shield/tube which the cable assembly runs in. The shield becomes dented or kinked and each dent or kink adds to the friction placed on the cable, soon it becomes stiff and unusable. If the dent or kink is within the travel range of the end rods the assembly qiuckly becomes nearly unusable. The outer shield or tube can be easily replaced with std copper tubing of the correct size. I built one up from scratch for the mini yak and I think I used 7/16 copper tubing. If you do need the cable assembly it's doable by contacting the McFarlane company. They can swage the SS rods onto the cable but at that time they did not have the tooling to cut the metric threads on the rod ends. Like many jobs getting the part out to work on it is 99% percent of the battle, this one is no different, you will be talking to yourself before you get the control R&R'd, so do it on a day when you have your midget contortionist buddy visiting your hanger. Or maybe wait until the circus comes to town to recruit some help. Hope this helps. Always Yakin, Doug On Sat, Oct 4, 2008 at 7:32 AM, Cyrus Kissling <cyco55@comcast.net> wrote: Has anyone had experience making or buying the push pull cables for throttle, prop, shutters ect? -- Always Yakin, Doug Sapp Phone 509-826-4610 Fax 509-826-3644 href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/ Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c


    Message 2


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    Time: 07:57:48 AM PST US
    Subject: command push pull cables
    From: "John Cox" <johnwcox@pacificnw.com>
    We have a manufacturer of Cablecraft control cables here in Portland. I set up Shane Wease of Vintage Aircraft Restoration for those interested in the 3' monkey removal and replacement system. John Cox - Bozo the Clown From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp MD Sent: Sunday, October 05, 2008 7:43 AM Subject: RE: Yak-List: command push pull cables Doug, You found a trained 3 foot monkey with 12" fingers? Is he/she for rent? If so, how much?! Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Forrest Johnson Sent: Saturday, October 04, 2008 4:23 PM Subject: Re: Yak-List: command push pull cables I have experienced almost complete lockage of the throttle and prop controls. Could not find any binding in the tubes forward of the front cockpit controls. The binding was bwtween the front cockpit and rear, somebody had tightened the control lock in the rear and moving the front bent the tubes between the two. My advise is to remove the rear control lock knob. ----- Original Message ----- From: doug sapp <mailto:dougsappllc@gmail.com> To: yak-list@matronics.com Sent: Saturday, October 04, 2008 10:19 AM Subject: Re: Yak-List: command push pull cables Cy, Most of the time the problem is not with the inner cable assembly, the problem is caused by the soft copper shield/tube which the cable assembly runs in. The shield becomes dented or kinked and each dent or kink adds to the friction placed on the cable, soon it becomes stiff and unusable. If the dent or kink is within the travel range of the end rods the assembly qiuckly becomes nearly unusable. The outer shield or tube can be easily replaced with std copper tubing of the correct size. I built one up from scratch for the mini yak and I think I used 7/16 copper tubing. If you do need the cable assembly it's doable by contacting the McFarlane company. They can swage the SS rods onto the cable but at that time they did not have the tooling to cut the metric threads on the rod ends. Like many jobs getting the part out to work on it is 99% percent of the battle, this one is no different, you will be talking to yourself before you get the control R&R'd, so do it on a day when you have your midget contortionist buddy visiting your hanger. Or maybe wait until the circus comes to town to recruit some help. Hope this helps. Always Yakin, Doug On Sat, Oct 4, 2008 at 7:32 AM, Cyrus Kissling <cyco55@comcast.net> wrote: Has anyone had experience making or buying the push pull cables for throttle, prop, shutters ect? -- Always Yakin, Doug Sapp Phone 509-826-4610 Fax 509-826-3644 href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics . com/Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com http://www.matronics.com/contribution


    Message 3


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    Time: 09:59:50 AM PST US
    From: "Roger Kemp MD" <viperdoc@mindspring.com>
    Subject: command push pull cables
    John, Can you provide more info off line? doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of John Cox Sent: Sunday, October 05, 2008 9:57 AM Subject: RE: Yak-List: command push pull cables We have a manufacturer of Cablecraft control cables here in Portland. I set up Shane Wease of Vintage Aircraft Restoration for those interested in the 3' monkey removal and replacement system. John Cox - Bozo the Clown From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp MD Sent: Sunday, October 05, 2008 7:43 AM Subject: RE: Yak-List: command push pull cables Doug, You found a trained 3 foot monkey with 12" fingers? Is he/she for rent? If so, how much?! Doc From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Forrest Johnson Sent: Saturday, October 04, 2008 4:23 PM Subject: Re: Yak-List: command push pull cables I have experienced almost complete lockage of the throttle and prop controls. Could not find any binding in the tubes forward of the front cockpit controls. The binding was bwtween the front cockpit and rear, somebody had tightened the control lock in the rear and moving the front bent the tubes between the two. My advise is to remove the rear control lock knob. ----- Original Message ----- From: doug sapp <mailto:dougsappllc@gmail.com> Sent: Saturday, October 04, 2008 10:19 AM Subject: Re: Yak-List: command push pull cables Cy, Most of the time the problem is not with the inner cable assembly, the problem is caused by the soft copper shield/tube which the cable assembly runs in. The shield becomes dented or kinked and each dent or kink adds to the friction placed on the cable, soon it becomes stiff and unusable. If the dent or kink is within the travel range of the end rods the assembly qiuckly becomes nearly unusable. The outer shield or tube can be easily replaced with std copper tubing of the correct size. I built one up from scratch for the mini yak and I think I used 7/16 copper tubing. If you do need the cable assembly it's doable by contacting the McFarlane company. They can swage the SS rods onto the cable but at that time they did not have the tooling to cut the metric threads on the rod ends. Like many jobs getting the part out to work on it is 99% percent of the battle, this one is no different, you will be talking to yourself before you get the control R&R'd, so do it on a day when you have your midget contortionist buddy visiting your hanger. Or maybe wait until the circus comes to town to recruit some help. Hope this helps. Always Yakin, Doug On Sat, Oct 4, 2008 at 7:32 AM, Cyrus Kissling <cyco55@comcast.net> wrote: Has anyone had experience making or buying the push pull cables for throttle, prop, shutters ect? -- Always Yakin, Doug Sapp Phone 509-826-4610 Fax 509-826-3644 href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/ Navigator?Yak-List href="http://forums.matronics.com">http://forums.matronics.com href="http://www.matronics.com/contribution">http://www.matronics.com/c http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com http://www.matronics.com/contribution http://www.matronics.com/Navigator?Yak-List http://forums.matronics.com http://www.matronics.com/contribution


    Message 4


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    Time: 06:52:27 PM PST US
    From: "Scott Glaser" <scott.glaser@thedefiantcompany.com>
    Subject: Yak CHT Thermocouple
    Anyone know what type thermocouple is used for the M-14 CHT sensor in a Yak-52? Scott N8252




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