---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Mon 04/22/19: 15 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:42 AM - Re: The right Adel clamps (Justin Drafts) 2. 10:21 AM - Re: Re: Prop won't slow below 70% (Walter Lannon) 3. 10:55 AM - Re: Re: Prop won't slow below 70% (Anthony Savarese) 4. 11:44 AM - Instrument panel screws (Jon Boede) 5. 11:54 AM - Re: Re: G meter, when do you use it? (doug sapp) 6. 11:54 AM - Re: Instrument panel screws (William Geipel) 7. 12:16 PM - Re: Re: G meter, when do you use it? (Bill Geipel) 8. 02:14 PM - Re: Re: G meter, when do you use it? (Richard Hess) 9. 05:50 PM - Re: Prop won't slow below 70% (glipaz) 10. 06:18 PM - Re: Instrument panel screws (pilotdog57@aol.com) 11. 07:12 PM - Re: Re: Prop won't slow below 70% (Walter Lannon) 12. 07:24 PM - Re: Re: Prop won't slow below 70% (Walter Lannon) 13. 07:45 PM - Re: Instrument panel screws (Walter Lannon) 14. 07:53 PM - Re: Re: G meter, when do you use it? (Walter Lannon) 15. 07:56 PM - Re: Re: G meter, when do you use it? (Walter Lannon) ________________________________ Message 1 _____________________________________ Time: 08:42:04 AM PST US From: Justin Drafts Subject: Re: Yak-List: The right Adel clamps Excellent news, thanks for passing on!!!! Justin / N280NC On Sat, Apr 20, 2019 at 12:05 PM Jon Boede wrote: > For lo these many years I=99ve looked for the right P clamps for th e CJ, 6mm > diameter with a 4mm bolt hole. > > All the US stuff has a 6.4mm (1/4=9D) bolt hole which is larger tha n the > head of the 4mm screws that hold many of the OEM clamps in place. > > Then today David Dufreche solved my problem: > > > https://www.westmarine.com/buy/ancor--stainless-steel-cushion-clamps-10-p acks--P009_275_003_012 > > Model 288433 appears to be just what the doctor ordered. > > [image: image1.jpeg] > > So there y=99all have it. Enjoy. > > Jon > ________________________________ Message 2 _____________________________________ Time: 10:21:13 AM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Prop won't slow below 70% Yes, it can be replaced or removed and milled down. It is a simple alum. alloy spacer ring designed to accommodate different requirements for coarse pitch blade angle. Yes, the cylinder is fine. I can't be certain this is your problem but it sure fits the symptoms. Walt -----Original Message----- From: glipaz Sent: Sunday, April 21, 2019 9:42 PM Subject: Yak-List: Re: Prop won't slow below 70% Walt, thank you. I had not heard/known about this difference in piston ring size and will look to see. If I open it and find that the ring is the Chinese 8mm size, can I replace it or mill it down to 4mm or do I need a replacement piston? I assume the cylinder does not need to be replaced. Gil Read this topic online here: http://forums.matronics.com/viewtopic.php?p=488854#488854 --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 3 _____________________________________ Time: 10:55:36 AM PST US From: Anthony Savarese Subject: Re: Yak-List: Re: Prop won't slow below 70% I have a question. If during pre takeoff run up the prop will cycle down to 53% and up to 99%, why would the ring have anything to do with the problem hes having? Dennis Sent from my iPhone > On Apr 22, 2019, at 1:20 PM, Walter Lannon wrote: > > > Yes, it can be replaced or removed and milled down. It is a simple alum. alloy spacer ring designed to accommodate different requirements for coarse pitch blade angle. Yes, the cylinder is fine. I can't be certain this is your problem but it sure fits the symptoms. > > Walt > > > -----Original Message----- From: glipaz > Sent: Sunday, April 21, 2019 9:42 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: Prop won't slow below 70% > > > Walt, thank you. I had not heard/known about this difference in piston ring size and will look to see. If I open it and find that the ring is the Chinese 8mm size, can I replace it or mill it down to 4mm or do I need a replacement piston? I assume the cylinder does not need to be replaced. > Gil > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=488854#488854 > > > > > > > > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > > > ________________________________ Message 4 _____________________________________ Time: 11:44:28 AM PST US From: Jon Boede Subject: Yak-List: Instrument panel screws Anybody ever work out a source for metric instrument panel screws? Doug is out. I'm looking for the truss/round head and the fillister/cheese head machine screws in black oxide to match the originals. Thanks, Jon ________________________________ Message 5 _____________________________________ Time: 11:54:12 AM PST US From: doug sapp Subject: Re: Yak-List: Re: G meter, when do you use it? Some where in my notes I do have a report listing g loading, but will have to find it. Walt do you have a copy? As I recall mine is a copy of a copy of a ............... and a bit hard to read. I think Joe Howse had the original. I'll try to find mine. Doug On Sat, Apr 20, 2019 at 3:03 PM Mark Pennington < pennington.construction.inc.1@gmail.com> wrote: > Good question for Doug. > Doug do you know the Chinese published acro limits ? > > Mark > N621CJ > > On Sat, Apr 20, 2019 at 5:46 PM Ttail wrote: > >> >> " An interesting thought here, with no G meter how do you know that you >> have come close to or exceeded the maximum rated G load specified by the >> manufacturer? Hmmm. " >> >> An interesting question for CJ drivers what is the manufactures limit ? >> Is there a written Chinese reference ? >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=488828#488828 >> >> >> >> >> >> >> ========== >> List" rel="noreferrer" target="_blank"> >> http://www.matronics.com/Navigator?Yak-List >> ========== >> FORUMS - >> eferrer" target="_blank">http://forums.matronics.com >> ========== >> WIKI - >> errer" target="_blank">http://wiki.matronics.com >> ========== >> b Site - >> -Matt Dralle, List Admin. >> rel="noreferrer" target="_blank">http://www.matronics.com/contribution >> ========== >> >> >> >> ________________________________ Message 6 _____________________________________ Time: 11:54:52 AM PST US From: William Geipel Subject: Re: Yak-List: Instrument panel screws Home depot. > On Apr 22, 2019, at 13:44, Jon Boede wrote: > > Anybody ever work out a source for metric instrument panel screws? Doug is out. > > I'm looking for the truss/round head and the fillister/cheese head machine screws in black oxide to match the originals. > > Thanks, > Jon ________________________________ Message 7 _____________________________________ Time: 12:16:18 PM PST US From: Bill Geipel Subject: Re: Yak-List: Re: G meter, when do you use it? Do it the easy way; at our age, if you pull over 4 g=99s two things ha ve happened: you screwed up the maneuver, and it hurts. (If u remain conscio us) Negative G is miserable. 4 & -1. no one gets hurt. Minimum vomit =F0=9F=A4=AE from back seater. =F0=9F=98=8E > On Apr 23, 2019, at 3:53 AM, doug sapp wrote: > > Some where in my notes I do have a report listing g loading, but will have to find it. Walt do you have a copy? As I recall mine is a copy of a copy of a ............... and a bit hard to read. I think Joe Howse had the ori ginal. I'll try to find mine. > > Doug > >> On Sat, Apr 20, 2019 at 3:03 PM Mark Pennington wrote: >> Good question for Doug. >> Doug do you know the Chinese published acro limits ? >> >> Mark >> N621CJ >> >>> On Sat, Apr 20, 2019 at 5:46 PM Ttail wrote: >>> >>> " An interesting thought here, with no G meter how do you know that you h ave come close to or exceeded the maximum rated G load specified by the manu facturer? Hmmm. " >>> >>> An interesting question for CJ drivers what is the manufactures limit ? I s there a written Chinese reference ? >>> >>> >>> >>> >>> Read this topic online here: >>> >>> http://forums.matronics.com/viewtopic.php?p=488828#488828 >>> >>> >>> >>> >>> >>> >>> ========== >>> List" rel="noreferrer" target="_blank">http://www.matronics.com/Navi gator?Yak-List >>> ========== >>> FORUMS - >>> eferrer" target="_blank">http://forums.matronics.com >>> ========== >>> WIKI - >>> errer" target="_blank">http://wiki.matronics.com >>> ========== >>> b Site - >>> -Matt Dralle, List Admin. >>> rel="noreferrer" target="_blank">http://www.matronics.com/contributi on >>> ========== >>> >>> >>> ________________________________ Message 8 _____________________________________ Time: 02:14:35 PM PST US From: Richard Hess Subject: Re: Yak-List: Re: G meter, when do you use it? Bill is right. No classic aerobatics need more than 4 Gs. Or 4.5 in a jet. Richard Hess C 404-964-4885 > On Apr 22, 2019, at 3:09 PM, Bill Geipel wrote: > > Do it the easy way; at our age, if you pull over 4 g=99s two things h ave happened: you screwed up the maneuver, and it hurts. (If u remain consci ous) > Negative G is miserable. > 4 & -1. no one gets hurt. Minimum vomit =F0=9F=A4=AE from back seater. > > > > > > =F0=9F=98=8E > >> On Apr 23, 2019, at 3:53 AM, doug sapp wrote: >> >> Some where in my notes I do have a report listing g loading, but will hav e to find it. Walt do you have a copy? As I recall mine is a copy of a cop y of a ............... and a bit hard to read. I think Joe Howse had the or iginal. I'll try to find mine. >> >> Doug >> >>> On Sat, Apr 20, 2019 at 3:03 PM Mark Pennington wrote: >>> Good question for Doug. >>> Doug do you know the Chinese published acro limits ? >>> >>> Mark >>> N621CJ >>> >>>> On Sat, Apr 20, 2019 at 5:46 PM Ttail wrote: >>>> >>>> " An interesting thought here, with no G meter how do you know that you have come close to or exceeded the maximum rated G load specified by the ma nufacturer? Hmmm. " >>>> >>>> An interesting question for CJ drivers what is the manufactures limit ? Is there a written Chinese reference ? >>>> >>>> >>>> >>>> >>>> Read this topic online here: >>>> >>>> http://forums.matronics.com/viewtopic.php?p=488828#488828 >>>> >>>> >>>> >>>> >>>> >>>> >>>> ========== >>>> List" rel="noreferrer" target="_blank">http://www.matronics.com/Nav igator?Yak-List >>>> ========== >>>> FORUMS - >>>> eferrer" target="_blank">http://forums.matronics.com >>>> ========== >>>> WIKI - >>>> errer" target="_blank">http://wiki.matronics.com >>>> ========== >>>> b Site - >>>> -Matt Dralle, List Admin. >>>> rel="noreferrer" target="_blank">http://www.matronics.com/contribut ion >>>> ========== >>>> >>>> >>>> ________________________________ Message 9 _____________________________________ Time: 05:50:04 PM PST US Subject: Yak-List: Re: Prop won't slow below 70% From: "glipaz" Gents: I measured the ring. While the ring itself is 12mm thick, the part that extends beyond the piston is 5mm. See attached pic. I do not foresee that this is the problem but Im here for your advice. Gil Read this topic online here: http://forums.matronics.com/viewtopic.php?p=488871#488871 Attachments: http://forums.matronics.com//files/63779d3e_9380_4d6c_afb0_3566baf90050_193.jpeg http://forums.matronics.com//files/77e5fe4f_7773_4b9f_b19f_a043bdfe8d0a_712.jpeg ________________________________ Message 10 ____________________________________ Time: 06:18:55 PM PST US From: pilotdog57@aol.com Subject: Re: Yak-List: Instrument panel screws Because the 6-32 instrument screws are readily a available I took a 6-32 tap and ran it through the instrument threads.... worked perfectly and easily. Doug Z Sent from my iPad > On Apr 22, 2019, at 11:54 AM, William Geipel wrote: > > Home depot. > > >> On Apr 22, 2019, at 13:44, Jon Boede wrote: >> >> Anybody ever work out a source for metric instrument panel screws? Doug i s out. >> >> I'm looking for the truss/round head and the fillister/cheese head machin e screws in black oxide to match the originals. >> >> Thanks, >> Jon > ========================== ========================== ========================== ========================== ========================== ========================== ========================== ============ ________________________________ Message 11 ____________________________________ Time: 07:12:06 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Prop won't slow below 70% That is a stock M14 ring. The course pitch will be approx. 35 deg. so back to the drawing board. Sorry! Walt -----Original Message----- From: glipaz Sent: Monday, April 22, 2019 5:49 PM Subject: Yak-List: Re: Prop won't slow below 70% Gents: I measured the ring. While the ring itself is 12mm thick, the part that extends beyond the piston is 5mm. See attached pic. I do not foresee that this is the problem but Im here for your advice. Gil Read this topic online here: http://forums.matronics.com/viewtopic.php?p=488871#488871 Attachments: http://forums.matronics.com//files/63779d3e_9380_4d6c_afb0_3566baf90050_193.jpeg http://forums.matronics.com//files/77e5fe4f_7773_4b9f_b19f_a043bdfe8d0a_712.jpeg --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 12 ____________________________________ Time: 07:24:23 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: Prop won't slow below 70% It has nothing to do with the high RPM (99%) adjustment. The 53% setting could, I believe, be obtained with adjustment of the governor low RPM screw even with a higher coarse pitch setting in the prop. Walt -----Original Message----- From: Anthony Savarese Sent: Monday, April 22, 2019 10:55 AM Subject: Re: Yak-List: Re: Prop won't slow below 70% I have a question. If during pre takeoff run up the prop will cycle down to 53% and up to 99%, why would the ring have anything to do with the problem hes having? Dennis Sent from my iPhone > On Apr 22, 2019, at 1:20 PM, Walter Lannon wrote: > > > Yes, it can be replaced or removed and milled down. It is a simple alum. > alloy spacer ring designed to accommodate different requirements for > coarse pitch blade angle. Yes, the cylinder is fine. I can't be certain > this is your problem but it sure fits the symptoms. > > Walt > > > -----Original Message----- From: glipaz > Sent: Sunday, April 21, 2019 9:42 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: Prop won't slow below 70% > > > Walt, thank you. I had not heard/known about this difference in piston > ring size and will look to see. If I open it and find that the ring is > the Chinese 8mm size, can I replace it or mill it down to 4mm or do I need > a replacement piston? I assume the cylinder does not need to be replaced. > Gil > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=488854#488854 > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ________________________________ Message 13 ____________________________________ Time: 07:45:51 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Instrument panel screws Jon; I replaced all of my instrument screws years ago (with flush #6 AN stainles s) but pretty sure I still have all the originals in a bag. This is instrument screws only, not panel mount or CB=99s etc. No charge unless I have to pay a Trump tariff to mail them to you from Cana da. Walt From: Jon Boede Sent: Monday, April 22, 2019 11:44 AM Subject: Yak-List: Instrument panel screws Anybody ever work out a source for metric instrument panel screws? Doug is out. I'm looking for the truss/round head and the fillister/cheese head machine screws in black oxide to match the originals. Thanks, Jon --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 14 ____________________________________ Time: 07:53:05 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: G meter, when do you use it? I do but it=99s in the hangar. call me tomorrow. From: doug sapp Sent: Monday, April 22, 2019 11:53 AM Subject: Re: Yak-List: Re: G meter, when do you use it? Some where in my notes I do have a report listing g loading, but will have to find it. Walt do you have a copy? As I recall mine is a copy of a copy of a ............... and a bit hard to read. I think Joe Howse had the or iginal. I'll try to find mine. Doug On Sat, Apr 20, 2019 at 3:03 PM Mark Pennington wrote: Good question for Doug. Doug do you know the Chinese published acro limits ? Mark N621CJ On Sat, Apr 20, 2019 at 5:46 PM Ttail wrote: " An interesting thought here, with no G meter how do you know that you have come close to or exceeded the maximum rated G load specified by the m anufacturer? Hmmm. " An interesting question for CJ drivers what is the manufactures limit ? Is there a written Chinese reference ? Read this topic online here: http://forums.matronics.com/viewtopic.php?p=488828#488828 ========== List" rel="noreferrer" target="_blank">http://www.matronics.com/Nav igator?Yak-List ========== FORUMS - eferrer" target="_blank">http://forums.matronics.com ========== WIKI - errer" target="_blank">http://wiki.matronics.com ========== b Site - -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribut ion ========== --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ________________________________ Message 15 ____________________________________ Time: 07:56:17 PM PST US From: "Walter Lannon" Subject: Re: Yak-List: Re: G meter, when do you use it? I do but it=99s in the hangar. Tomorrow. From: doug sapp Sent: Monday, April 22, 2019 11:53 AM Subject: Re: Yak-List: Re: G meter, when do you use it? Some where in my notes I do have a report listing g loading, but will have to find it. Walt do you have a copy? As I recall mine is a copy of a copy of a ............... and a bit hard to read. I think Joe Howse had the or iginal. I'll try to find mine. Doug On Sat, Apr 20, 2019 at 3:03 PM Mark Pennington wrote: Good question for Doug. Doug do you know the Chinese published acro limits ? Mark N621CJ On Sat, Apr 20, 2019 at 5:46 PM Ttail wrote: " An interesting thought here, with no G meter how do you know that you have come close to or exceeded the maximum rated G load specified by the m anufacturer? Hmmm. " An interesting question for CJ drivers what is the manufactures limit ? Is there a written Chinese reference ? 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