Yak-List Digest Archive

Mon 03/07/11


Total Messages Posted: 11



Today's Message Index:
----------------------
 
     1. 05:00 AM - Re: April 2010 Yak 50 Engine Failure in UK (Stu)
     2. 06:25 AM - Re: Re: engine failure over water (dabear)
     3. 06:35 AM - Re: Re: engine failure over water (William Halverson)
     4. 07:01 AM - Re: Re: engine failure over water (Roger Kemp)
     5. 07:09 AM - Re: Re: Yak-List Digest: 6 Msgs - 03/03/11 (Mark Davis)
     6. 10:46 AM - Re: engine failure & parachutes (cjpilot710@aol.com)
     7. 11:08 AM - Desiccant (doug sapp)
     8. 12:03 PM - "more efficient engine designs of the past two decades" (Ron Davis)
     9. 03:13 PM - YAK 52 oil tank (Avro)
    10. 03:17 PM - Re: 3 blade prop for sale (Avro)
    11. 03:33 PM - Horizon failure (Didier Blouzard)
 
 
 


Message 1


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    Time: 05:00:17 AM PST US
    Subject: Re: April 2010 Yak 50 Engine Failure in UK
    From: "Stu" <stewart@primexprocess.com>
    Thanks Greasysideup. Your post is what I was looking for. Some of us may disagree with some parts of your policy but I like the fact that it is clear and readily applied in time we have to make these decisions before it is too late. -------- Stewart Nicholson Yak 52 N122GC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=333026#333026


    Message 2


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    Time: 06:25:51 AM PST US
    From: "dabear" <dabear@devere.us>
    Subject: Re: engine failure over water
    I agree with much of what you said, and as you state, its up to the individual to make their plan. But at least make a plan. I fly over the Chesapeake frequently as well. But typically can't get high because of the SFRA. I've got the LPU and a survival vest. Using both under the chute is not very comfortable, but is not too bad. I've gotten lax it using both or either depending on the situation. I'm going to have to re-look at the layout. The vest has strobe, small survival kit (matches, space blanket, food bar, etc.), portable aviation radio, SPOT Sat tracker, and Glock 20c when legal. I go back and forth between using the vest and stuffing everything in the pockets of the flight suit as its more comfortable that way. That said, If I lose the engine at lower altitudes over the Chesapeake I plan on a zoom climb and a bail out. I don't plan on ditching in the water. Bear -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of GreasySideUp Sent: Monday, March 07, 2011 1:11 AM Subject: Yak-List: Re: engine failure over water Over water above 1k I am out of the airplane 100% of the time. With that said I spent a hundred bucks on a C02 inflatable life preserver that fits very comfortable under my chute even during negative g aerobatics. Bailing out, I am guaranteed to live minus a very rare chute malfunction. Ditching is iffy at best (Again if anyone has ditch statistics that would be awesome) The best case would be that the plane stayed upright and floated. Worst case is that it flipped and sank and I fumbled to get my chute off. I fly over the Chesapeake bay quite regularly. I fly as high as I can to leave plenty of time to coordinate for rescue over the radio and I note where the boats are and what direction they are heading. My plan is to glide to a spot where I would drift down in the path of someone that may see me in the chute. Average chutes fall at about 1000 feet/min, getting out at a higher altitude would probably give the boater a little more time to see your chute. If you fly regularly over the water with a chute but without a 100 dollar LPU (Life Preserver Unit) you may need to re-evaluate. While you are reading this, go to Sportys and place an order and it will be here in a few days. Treading water with full clothing on - I give most non swimmers about 5 minutes or 1/4 mile from shore to live. You can extend that by taking your jeans off, tying a knot in the leg and blowing them up for flotation. In that case you may want to take your chances ditching. If you ditch I would add undoing your chute straps to the checklist above so you have one less thing to worry about. In the silk on the way down, think about trying your cell phone. Call 911 if you have a signal. Don't drop it. Leave it on, select speaker and put it back in your flight suit pocket at around 1000 feet so you can start thinking about landing. Again, this is technique only. The bottom line is to have a plan involving a decision matrix that you know you will follow. The time to think about how you will ditch or bail out is right now, not at 2k over trees with a windmilling prop. A massive fire is probably the easiest decision to make, unless you are over water without a life preserver. Then it is going to be a short ride to think that you should have called sportys for that LPU while you are in the silk. Yes I have thought about this a little..... Brief the plan and fly the brief. -j Read this topic online here: http://forums.matronics.com/viewtopic.php?p=333015#333015


    Message 3


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    Time: 06:35:42 AM PST US
    From: "William Halverson" <william@netpros.net>
    Subject: Re: engine failure over water
    Do emergency locator beacons have a manual 'on' position? And don't forget squak code 7700 +-----Original Message----- +From: GreasySideUp [mailto:greasysideup@hotmail.com] +Sent: Sunday, March 6, 2011 10:11 PM +To: yak-list@matronics.com +Subject: Yak-List: Re: engine failure over water + + +In the silk on the way down, think about trying your cell phone. Call 911 if you have a signal. Don't drop it. Leave it on, select speaker and put it back in your flight suit pocket at around 1000 feet so you can start thinking about landing.


    Message 4


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    Time: 07:01:56 AM PST US
    From: Roger Kemp <viperdoc@mindspring.com>
    Subject: Re: engine failure over water
    Answer: Yes they do require manually activating the becaon. Another personal survival item to add to your checklist before you step. If you wear a flight suit, after you stuff all of whatever you like to fly with in it make sure to zip the pockets. Especially the leg pockets. I've seen many a person walking to their planes with the ankle (leg) pockets hanging wide open. With the pockets open they can catch on things you would not think as you try to rapidly egress from the cockpit. The besides things can fall out of them during acro is a no brainer. For the same reason I have pax empty thier pockets before flying. Doc > > >Do emergency locator beacons have a manual 'on' position?


    Message 5


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    Time: 07:09:10 AM PST US
    From: "Mark Davis" <markdavis@wbsnet.org>
    Subject: Re: Yak-List Digest: 6 Msgs - 03/03/11
    Great fun for Paddles that night waving a midnight Scooter not knowing what the emergency was! Maybe an approach light on the RAT to work with? A night approach using a PRC-63/90 never seemed like a realistic option single seat. You did what you were trained to do: aviate-navigate-communicate. (Good thing they weren't working MOVLAS!) Mark Davis N44YK Former Garuda/Guntrain Paddles ----- Original Message ----- From: Norman Davis To: yak-list@matronics.com Sent: Friday, March 04, 2011 3:06 PM Subject: Yak-List: Re: Yak-List Digest: 6 Msgs - 03/03/11 Hi Guys With regard to the discussion about bail outs versus emergency landing. Mark Bitterlich's comments are spot on. To add my two cents: Practice emergency approaches every chance you get. If you are a sky diver and have jumps under your belt, then consider carefully the jump option. Can you egress safely? Will aircraft end up crashing in a "safe" area? Has the aircraft stopped flying in spite of your control inputs? JUMP!! Case in point: A4 NIGHT catapult shot fully loaded with bombs. Radio and lights lost airborne. Extremely high temperature air impinging on left thigh. Hot air flow reduces with reduced throttle. Flight controls OK, maintaining 500'. CVA making 30 knots to recover returning strike. Cannot bring bombs back aboard. Decision: Chances of surviving ejection on a black ass night in front of carrier doing 30 knots? Pretty slim. Fly a "day approach" pattern to end up alongside LSO about 300'. NORDO, NO LIGHTS. Jettison Bombs on SAFE alongside - gets attention. Pull up and execute day approach, fitting into recovering pattern on CCA. Trap aboard Shut Down in gear. Hot air flow stops on shut down. Piss Off the flight deck crew who have to hook up tractor and pull clear to allow recovery to continue. Time from cat shot to safe recovery: 15 minutes. Explain actions to CVA skipper and CAG - immediately. During explanation, squadron maintenance personnel advise emergency genuine. No lights, no radio and G suit fitting broken to allow hot air from engine into cockpit. Had lots of practice? Yes, most FCLPs (Field Carrier Landing Practice) are conducted at night. Hundreds are completed before carrier quals. Decision right? Go figure. Cheers Norm Davis Cdr USN ret. ------------------------------------------------------------------------- ----- From: Yak-List Digest Server <yak-list@matronics.com> To: Yak-List Digest List <yak-list-digest@matronics.com> Sent: Fri, 4 March, 2011 8:59:49 PM Subject: Yak-List Digest: 6 Msgs - 03/03/11 * Online Versions of Today's List Digest Archive Today's complete Yak-List Digest can also be found in either of the two Web Links listed below. The .html file includes the Digest formatted in HTML for viewing with a web browser and features Hyperlinked Indexes and Message Navigation. The .txt file includes the plain ASCII version of the Yak-List Digest and can be viewed with a generic text editor such as Notepad or with a web browser. HTML Version: http://www.matronics.com/digest/digestview.php?Style=82701&View=html& Chapter 11-03-03&Archive=Yak Text Version: http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&C hapter 11-03-03&Archive=Yak ====================== EMail Version of Today's List Digest Archive ====================== ---------------------------------------------------------- Yak-List Digest Archive --- Total Messages Posted Thu 03/03/11: 6 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:55 AM - Bail outs (Bruce Thomas) 2. 12:16 PM - Re: Re: April 2010 Yak 50 Engine Failure in UK (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E) 3. 12:41 PM - Re: Re: April 2010 Yak 50 Engine Failure in UK (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E) 4. 01:24 PM - Strong 304 chutes (Eric Wobschall) 5. 02:06 PM - Re: Re: April 2010 Yak 50 Engine Failure in UK (Eric Wobschall) 6. 02:27 PM - Re: Re: April 2010 Yak 50 Engine Failure in UK (Roger Kemp M.D.) ________________________________ Message 1 _____________________________________ Time: 12:55:52 AM PST US From: "Bruce Thomas" <bvthomas@bigpond.com> Subject: Yak-List: Bail outs I was taught when the noise stops And cannot be restarted the aircraft now belongs to the insurance company And you look after your butt first and last Bruce ________________________________ Message 2 _____________________________________ Time: 12:16:42 PM PST US Subject: RE: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil> Question: When it seized, did it do any damage to the engine mounts? Mark Bitterlich -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Richard Goode Sent: Wednesday, March 02, 2011 2:25 PM Subject: RE: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK <richard.goode@russianaeros.com> Yes,he was over the lake district in the north of England which is pretty rough terrain.Initially,the engine continued to run [without any oil] so he thought he could get to Carlisle airfield,but it then seized solid!! Richard Goode Rhodds Farm Lyonshall Hereford HR5 3LW Tel: +44 (0) 1544 340120 Fax: +44 (0) 1544 340129 www.russianaeros.com -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Stu Sent: 02 March 2011 19:05 Subject: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK A credit to the pilot for bringing his aircraft to the ground safely and walking away from it. However, reflecting on this experience (and one of my own), the pilot's decision to force land vs. bale out troubles me. Traditionally (at least in the U.S.) we get a lot more training on how to force land an aircraft than how to bale out of it. Whereas, in the USSR, DOSAAF students were required to practice and demonstrate proficiency in Yak bale out procedures. Yet the DOSAAF records have many accounts of injury and fatality attributable to pilots' decisions to stay with their aircraft when there was no apparent need to. I suppose that pondering the decision for a split second too long could cost a pilot his life. It seems to me that in most imaginable circumstances the decision can be made beforehand...so as to avoid hesitation in the cockpit. For my part, considering the relatively low value of a Yak or CJ (compared to life), if it is clear that the engine will not restart and with enough altitude and minimal threat to those on the ground, the policy is bale out now and pick up the insurance check later. Stu Nicholson -------- Stewart Nicholson Yak 52 N122GC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=332517#332517 ----------------------------------------------- This message has been scanned for viruses and dangerous content by the Invictawiz MailScanner and is believed to be clean. http://www.invictawiz.com ----------------------------------------------- ________________________________ Message 3 _____________________________________ Time: 12:41:08 PM PST US Subject: RE: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK From: "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil> Without a doubt a very interesting discussion and one where valuable information can be circulated in order for everyone to make their own personal decision based on accurate information. But even in the military it remains just that -- a personal decision -- and it remains one with these aircraft as well. Certainly when the "WING OFF" light comes on, the decision is a no-brainer. However there are a lot of other factors that have to be considered as well. Jumping out of your airplane when it is over a highly residential area might be the best thing to do in order to save your own life, but what of others? Is taking the time to consider that factor less than smart? Possibly. However I doubt anyone would condemn a pilot for at least considering that aspect of the decision. In fact, MANY pilots who decided to stay with their aircraft are now referred to as "Hero's", as well they should be. So I have to respectfully disagree. I think you can prepare "canned situations" where you can make the decision beforehand, but just like going into battle.... a lot of decisions have to be made right on the spot and sometimes there are factors that require you to think a little bit before you just turn upside down and release your seatbelt. Mark Bitterlich N50YK -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Stu Sent: Wednesday, March 02, 2011 2:05 PM Subject: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK A credit to the pilot for bringing his aircraft to the ground safely and walking away from it. However, reflecting on this experience (and one of my own), the pilot's decision to force land vs. bale out troubles me. Traditionally (at least in the U.S.) we get a lot more training on how to force land an aircraft than how to bale out of it. Whereas, in the USSR, DOSAAF students were required to practice and demonstrate proficiency in Yak bale out procedures. Yet the DOSAAF records have many accounts of injury and fatality attributable to pilots' decisions to stay with their aircraft when there was no apparent need to. I suppose that pondering the decision for a split second too long could cost a pilot his life. It seems to me that in most imaginable circumstances the decision can be made beforehand...so as to avoid hesitation in the cockpit. For my part, considering the relatively low value of a Yak or CJ (compared to life), if it is clear that the engine will not restart and with enough altitude and minimal threat to those on the ground, the policy is bale out now and pick up the insurance check later. Stu Nicholson -------- Stewart Nicholson Yak 52 N122GC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=332517#332517 ________________________________ Message 4 _____________________________________ Time: 01:24:50 PM PST US From: Eric Wobschall <eric@buffaloskyline.com> Subject: Yak-List: Strong 304 chutes I have two Strong 304 Warbird Seat packs (standard harness). I purchased them new about this time last year, at which time they had a fresh pack. With the new 6 month rule and off-season, they haven't been re-packed since then. These have had only light use (especially the rear chute). OD green, and has a blue zip-on travel one inch cushion and a carry bag. I'd like to sell them together. Contact me off list. Thanks. Eric D. Wobschall Buffalo Skyline Buffalo-Lancaster Airport (KBQR): 4343 Walden Avenue Lancaster, NY 14086 Office: 2120 Maple Road Williamsville, NY 14221-1922 716.208.5460 ________________________________ Message 5 _____________________________________ Time: 02:06:25 PM PST US Subject: Re: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK From: Eric Wobschall <eric@buffaloskyline.com> Also, we're so conditioned to land the airplane and it's just counter-intuitive to jump. On fire, uncontrollable or over impossible terrain seem like no-brainers. Other situations... tougher. On Mar 3, 2011, at 3:24 PM, Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E wrote: > > Without a doubt a very interesting discussion and one where valuable > information can be circulated in order for everyone to make their own > personal decision based on accurate information. > > But even in the military it remains just that -- a personal decision -- > and it remains one with these aircraft as well. Certainly when the > "WING OFF" light comes on, the decision is a no-brainer. However there > are a lot of other factors that have to be considered as well. Jumping > out of your airplane when it is over a highly residential area might be > the best thing to do in order to save your own life, but what of others? > Is taking the time to consider that factor less than smart? Possibly. > However I doubt anyone would condemn a pilot for at least considering > that aspect of the decision. In fact, MANY pilots who decided to stay > with their aircraft are now referred to as "Hero's", as well they should > be. > > So I have to respectfully disagree. I think you can prepare "canned > situations" where you can make the decision beforehand, but just like > going into battle.... a lot of decisions have to be made right on the > spot and sometimes there are factors that require you to think a little > bit before you just turn upside down and release your seatbelt. > > Mark Bitterlich > N50YK > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Stu > Sent: Wednesday, March 02, 2011 2:05 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK > > > A credit to the pilot for bringing his aircraft to the ground safely and > walking away from it. However, reflecting on this experience (and one > of my own), the pilot's decision to force land vs. bale out troubles me. > > > Traditionally (at least in the U.S.) we get a lot more training on how > to force land an aircraft than how to bale out of it. Whereas, in the > USSR, DOSAAF students were required to practice and demonstrate > proficiency in Yak bale out procedures. Yet the DOSAAF records have > many accounts of injury and fatality attributable to pilots' decisions > to stay with their aircraft when there was no apparent need to. > > I suppose that pondering the decision for a split second too long could > cost a pilot his life. It seems to me that in most imaginable > circumstances the decision can be made beforehand...so as to avoid > hesitation in the cockpit. For my part, considering the relatively low > value of a Yak or CJ (compared to life), if it is clear that the engine > will not restart and with enough altitude and minimal threat to those on > the ground, the policy is bale out now and pick up the insurance check > later. > > Stu Nicholson > > -------- > Stewart Nicholson > Yak 52 N122GC > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=332517#332517 > > > > > > > > > > > > > > > ________________________________ Message 6 _____________________________________ Time: 02:27:32 PM PST US Subject: Re: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK From: "Roger Kemp M.D." <viperdoc@mindspring.com> Test will the IPAD response fly or not? This is a test no reply need. But it's still a "no brainer" in most circumstances unless you don't wear a chute. Doc Sent from my iPad On Mar 3, 2011, at 2:24 PM, "Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil> wrote: > > Without a doubt a very interesting discussion and one where valuable > information can be circulated in order for everyone to make their own > personal decision based on accurate information. > > But even in the military it remains just that -- a personal decision -- > and it remains one with these aircraft as well. Certainly when the > "WING OFF" light comes on, the decision is a no-brainer. However there > are a lot of other factors that have to be considered as well. Jumping > out of your airplane when it is over a highly residential area might be > the best thing to do in order to save your own life, but what of others? > Is taking the time to consider that factor less than smart? Possibly. > However I doubt anyone would condemn a pilot for at least considering > that aspect of the decision. In fact, MANY pilots who decided to stay > with their aircraft are now referred to as "Hero's", as well they should > be. > > So I have to respectfully disagree. I think you can prepare "canned > situations" where you can make the decision beforehand, but just like > going into battle.... a lot of decisions have to be made right on the > spot and sometimes there are factors that require you to think a little > bit before you just turn upside down and release your seatbelt. > > Mark Bitterlich > N50YK > > -----Original Message----- > From: owner-yak-list-server@matronics.com > [mailto:owner-yak-list-server@matronics.com] On Behalf Of Stu > Sent: Wednesday, March 02, 2011 2:05 PM > To: yak-list@matronics.com > Subject: Yak-List: Re: April 2010 Yak 50 Engine Failure in UK > > > A credit to the pilot for bringing his aircraft to the ground safely and > walking away from it. However, reflecting on this experience (and one > of my own), the pilot's decision to force land vs. bale out troubles me. > > > Traditionally (at least in the U.S.) we get a lot more training on how > to force land an aircraft than how to bale out of it. Whereas, in the > USSR, DOSAAF students were required to practice and demonstrate > proficiency in Yak bale out procedures. Yet the DOSAAF records have > many accounts of injury and fatality attributable to pilots' decisions > to stay with their aircraft when there was no apparent need to. > > I suppose that pondering the decision for a split second too long could > cost a pilot his life. It seems to me that in most imaginable > circumstances the decision can be made beforehand...so as to avoid > hesitation in the cockpit. For my part, considering the relatively low > value of a Yak or CJ (compared to life), if it is clear that the engine > will not restart and with enough altitude and minimal threat to those on > the ground, the policy is bale out now and pick up the insurance check > later. > > Stu Nicholson > > -------- > Stewart Nicholson > Yak 52 N122GC > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=332517#332517 > > > > > > > > > > > > > > > http://www.matronics.com/Navigator?Yap; --> http:/======================= =


    Message 6


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    Time: 10:46:26 AM PST US
    From: cjpilot710@aol.com
    Subject: Re: engine failure & parachutes
    In all the discussions of engine failure and bailouts, no one has said the major advantage in ground operations. What? you say. A parachute (and helmet) save my personal carcass from major a major hurt to these old bones. At a AYS formation clinic several years ago, part of the clinic training was parachute use, and one part included exiting the aircraft. It was than asked that each flight on their next sortie practice egress after engine shut down. The idea was to show and let the crews experience cumbersome nature of extraditing oneself with all that stuff on. Once on the wing, you were considered done with the exercise. So with plugs pulled, canopy back, belt off, I pull myself up and out on to the wing. Done. Now with all my gear on, I stepped back to put my foot in the step, to step down. The chute belonged to me and why should I take it off on the wing since I was going to carry it right to my own plane? My foot slipped off the step. My nomex cloves, could not hold my grip on the canopy rail and down I went. HARD. I landed on my left side and back. The parachute back pad cushioned the impact. Next my head hit the blacktop. The helmet saved me from real major brain hurt. Laying there, knowing what had happened, I could not believe that I wasn't hurt. Nor could the laughing crowd around my carcass. I still don't know if they were joyous at my misfortune or that I wasn't hurt. Having made 7 jumps years ago while flying for a skydiving club, I have no qualm about leaving an airplane and almost did once when I thought I had a fire. All the discussion points brought up in other e-mails are good ones. But they are only good if you as the individual think out those points your self. It works better if you've practice those steps, (cords, canopy, belts) in the quite of your hangar. Go though the scenarios in your own mind, that would make you conceder going over the side. I once flew a beautiful CJ-6 into the dusky murk and mire of the LA basin. On up to the north over the mountains in the dark, with bright stars overhead, I flew. With me was a trust in the Almighty, a parachute, and a plan. The "parachute plan" had started at 1,000 agl and ended at 1,000 agl. Jim "Pappy" Goolsby


    Message 7


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    Time: 11:08:07 AM PST US
    Subject: Desiccant
    From: doug sapp <dougsappllc@gmail.com>
    Below is a copy of a email sent to a customer about the new orange desiccant which we now supply for use in the stainless steel water/air filter. Charlie, The EPA (*E*veryone's *P*rotector *A*lways) has decided that the blue desiccant is not good for the environment, so now it is orange. The orange desiccant will turn sort of gray/green when it's wet. Best, Doug


    Message 8


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    Time: 12:03:33 PM PST US
    From: Ron Davis <l39parts@hotmail.com>
    Subject: "more efficient engine designs of the past two decades"
    I'm curious where you live. Here on earth there haven't been any piston ai rcraft engines designed in the past two decades. > Subject: Yak-List: Re: EAA on Marvel Mystery Oil - You're gonna love it. > From: hdinamic@qwest.net > Date: Thu=2C 24 Feb 2011 11:01:49 -0800 > To: yak-list@matronics.com > > > MMO used to remove cardon or keep valves from sticking in radial engins. > IS used by many commercial air cargo operators with great success world w ide. I personally know air cargo maintenance personnel with actual historic al records to show this keeps valves in large radial engines from sticking no other claims were made by them. > > Detergents And Solvents > Many of the older=2C better-known oil treatments on the market do > not make claims nearly so lavish as the new upstarts. Old standbys > like Bardahl=2C Rislone and Marvel Mystery Oil=2C instead offer things > like "quieter lifters=2C" "reduced oil burning" and a "cleaner > engine." > Most of these products are made up of solvents and detergents > designed to dissolve sludge and carbon deposits inside your engine so > they can be flushed or burned out. Wynn's Friction Proofing Oil=2C for > example=2C is 83 percent kerosene. Other brands use naphthalene=2C > xylene=2C acetone and isopropanol. Usually=2C these ingredients will be > found in a base of standard mineral oil. > In general=2C these products are designed to do just the opposite > of what the PTFE and zinc phosphate additives claim to do. Instead of > leaving behind a "coating" or a "plating" on your engine surfaces=2C > they are designed to strip away such things. > All of these products will strip sludge and deposits out and > clean up your engine=2C particularly if it is an older=2C abused one. The > problem is=2C unless you have some way of determining just how much is > needed to remove your deposits without going any further=2C such > solvents also can strip away the boundary lubrication layer provided > by your oil. Overuse of solvents is an easy trap to fall into=2C and > one which can promote harmful metal-to-metal contact within your > engine. > As a general rule of thumb these products had their place and > were at least moderately useful on older automobile and motorcycle > engines of the Fifties and Sixties=2C but are basically unneeded on the > more efficient engine designs of the past two decades. > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=332026#332026 > > > > > > > =========== =========== =========== =========== > > >


    Message 9


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    Time: 03:13:53 PM PST US
    Subject: YAK 52 oil tank
    From: "Avro" <John@Airshows.ca>
    I am looking for a YAK 52 oil tank to buy. Thanks John -------- Regards John Read this topic online here: http://forums.matronics.com/viewtopic.php?p=333102#333102


    Message 10


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    Time: 03:17:38 PM PST US
    Subject: Re: 3 blade prop for sale
    From: "Avro" <John@Airshows.ca>
    Have 1 for sale JL 2B -------- Regards John Read this topic online here: http://forums.matronics.com/viewtopic.php?p=333103#333103


    Message 11


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    Time: 03:33:12 PM PST US
    From: Didier Blouzard <didier.blouzard@gmail.com>
    Subject: Horizon failure
    Good day to all Can anyone help me about a problem I had after some light aerobatic on my Yak18T. My red light on the horizon came on and it is still on after having turned all off and on. The horizon seems to work fine but the light is still on and nothing I can do make it off. Please anyone to help me diagnose this failure. Thanks anyway Kind regards Didier -- Didier BLOUZARD didier.blouzard@gmail.com 0624243672




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