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Yak 55 info needed

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deancourtney696(at)hotmai
Guest

Posted: Sun May 06, 2007 11:31 pm Post subject: Yak 55 info needed

Gang,



My ego has written a check my sorry butt can't cash. I am supposed to 

relocate a Yak 55 from Fla. to Ala. in a couple weeks and don't know much 

about them. Flown Yak 12, 50 & 52. 190 liters/50 gallons gas sound right? 

Oil capacity? Start procedure standard Yak 50/52 or something else? I see a 

switch placarded "Ignition" on the left side of panel, I understand this is 

a manual air valve/switch and activates the "shower of sparks"? It is a 1992 

model, so still start with mags off? For that matter how can one visually 

identify the "switch off to start" mags vs the "switch on to start" Mags? 

Any other educational tid bits would be very welcome. Thanx!!



_________________________________________________________________

Watch free concerts with Pink, Rod Stewart, Oasis and more.  Visit MSN In 

Concert today. http://music.msn.com/presents?icid=ncmsnpresentstagline

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dsavarese(at)elmore.rr.co
Guest

Posted: Mon May 07, 2007 3:36 am Post subject: Yak 55 info needed

Dean,

I can't tell you a lot about the 55, but I can tell you about the magnetos. 

The non-centrifugal advance mags found on most of the 52's with M14P's are 

labeled M9F.  The "F" looks like a Greek Theta.  The centrifugal advance 

mags found on the M14PF - 400HP engines are labeled "M9-35".  The -35 mags 

are started with the mag switch on "1+2".  Identify them by the 

identification tag on the cover plate just above the P lead connector.

Dennis



---

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scott-p(at)texas.net
Guest

Posted: Mon May 07, 2007 4:11 am Post subject: Yak 55 info needed

Hi Dean,



My procedure for the 55 is as follows:



1) Intake drains (if present) OPEN, Mags OFF, Battery OFF, Ignition 

(="shower of sparks") OFF (That is the small switch on the panel lower 

left, under the mags and starter button)

2) Pull prop through 12 blades

3) Prime about 4-6 shots depending on temp (warmer = less)

4) Pull prop through 12 blades

5) Intakes Drains (if present) OPEN, drain, then CLOSED

6) Prime 3-5 shots

7) Cycle throttle 3-4 times, set to about 25%

 Battery ON

9) Ignition ON

10) Hit START button, as prop moves, Mags to ON

11) Adjust throttle to about 28-35% rpm, check oil pressure, Generator 

(and all other switches on R-hand panel) ON



Works like a charm. The "shower of sparks" has TWO switches: one is the 

"Ignition" switch and the other is a microswitch on the manual start 

valve (behind the panel on the far left). Both must be closed for the 

shower of sparks to operate.



Hope this helps.



Scott Poehlmann

Yak 55M N155YK



Dean Courtney wrote:

 	  Quote: 	
		   

 <deancourtney696(at)hotmail.com>



 Gang,



 My ego has written a check my sorry butt can't cash. I am supposed to 

 relocate a Yak 55 from Fla. to Ala. in a couple weeks and don't know 

 much about them. Flown Yak 12, 50 & 52. 190 liters/50 gallons gas 

 sound right? Oil capacity? Start procedure standard Yak 50/52 or 

 something else? I see a switch placarded "Ignition" on the left side 

 of panel, I understand this is a manual air valve/switch and activates 

 the "shower of sparks"? It is a 1992 model, so still start with mags 

 off? For that matter how can one visually identify the "switch off to 

 start" mags vs the "switch on to start" Mags? Any other educational 

 tid bits would be very welcome. Thanx!!



 _________________________________________________________________

 Watch free concerts with Pink, Rod Stewart, Oasis and more.  Visit MSN 

 In Concert today. http://music.msn.com/presents?icid=ncmsnpresentstagline

- The Matronics Yak-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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aerobaticgirl(at)yahoo.co
Guest

Posted: Mon May 07, 2007 6:51 pm Post subject: Yak 55 info needed

And being a relatively new 55 owner, my one tidbit to tell you is that if the engine doesn't start in 1 or 2 blades, stop what you are doing.  It either needs more prime or more blades.  

   

  I also throw 1 shot of prime into system while priming the cylinders

   

  I tell you the first tidbit because I emptied my air tank the first two times I tried to fly and had to get a refill in order to start.  It should take you only about 250 psi to start, unless you aren't quick enough getting the mags flipped on and advancing the throttle and adding prime as necessary to start it.  

   

  So, basically practice your 1 armed paper hanger skills!

   

  Smash



Scott Poehlmann <scott-p(at)texas.net> wrote:

  [quote]--> Yak-List message  posted by: Scott Poehlmann 



Hi Dean,



My procedure for the 55 is as follows:



1) Intake drains (if present) OPEN, Mags OFF, Battery OFF, Ignition 

(="shower of sparks") OFF (That is the small switch on the panel lower 

left, under the mags and starter button)

2) Pull prop through 12 blades

3) Prime about 4-6 shots depending on temp (warmer = less)

4) Pull prop through 12 blades

5) Intakes Drains (if present) OPEN, drain, then CLOSED

6) Prime 3-5 shots

7) Cycle throttle 3-4 times, set to about 25%

 Battery ON

9) Ignition ON

10) Hit START button, as prop moves, Mags to ON

11) Adjust throttle to about 28-35% rpm, check oil pressure, Generator 

(and all other switches on R-hand panel) ON



Works like a charm. The "shower of sparks" has TWO switches: one is the 

"Ignition" switch and the other is a microswitch on the manual start 

valve (behind the panel on the far left). Both must be  closed for the 

shower of sparks to operate.



Hope this helps.



Scott Poehlmann

Yak 55M N155YK



Dean Courtney wrote:

[quote] --> Yak-List message posted by: "Dean Courtney" 

 



 Gang,



 My ego has written a check my sorry butt can't cash. I am supposed to 

 relocate a Yak 55 from Fla. to Ala. in a couple weeks and don't know 

 much about them. Flown Yak 12, 50 & 52. 190 liters/50 gallons gas 

 sound right? Oil capacity? Start procedure standard Yak 50/52 or 

 something else? I see a switch placarded "Ignition" on the left side 

 of panel, I understand this is a manual air valve/switch and activates 

 the "shower of sparks"? It is a 1992 model, so still start with mags 

 off? For that matter how can one visually identify the "switch off to 

 start" mags vs the "switch on to start" Mags? Any other educational 

 tid bits        Ahhh...imagining that irresistible "new car" smell?

 Check out [url=http://us.rd.yahoo.com/evt=48245/*http://autos.yahoo.com/new_cars.html;_ylc=X3oDMTE1YW1jcXJ2BF9TAzk3MTA3MDc2BHNlYwNtYWlsdGFncwRzbGsDbmV3LWNhcnM-]new cars at Yahoo! Autos.[/url]   	  Quote: 	
		  [b]

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dsavarese(at)elmore.rr.co
Guest

Posted: Tue May 08, 2007 3:49 am Post subject: Yak 55 info needed

Scott's starting procedure is right on the money.  Steps  #6 and #7 is the things most people do not do which results in the engine not  starting.  I believe if you follow Scott's procedure and hit the START  button, the engine will start on the 1st or 2nd blade every time.  But if  one forgets to crack the throttle open about 25% as Scott says, you may end up  emptying your air tank.

  

 Whenever I am involved with a new Yak owner, one of the first  things I try to teach them is the starting procedure that works every  time.  It's the same procedure Scott has so generously posted to the  List.

 Dennis

  

 [quote]   ---

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scott-p(at)texas.net
Guest

Posted: Tue May 08, 2007 5:03 am Post subject: Yak 55 info needed

Sarah is absolutely correct. I also neglected to add the final step, 12) 

Ignition switch to OFF (which is the CENTER position).



Scott



Sarah Tobin wrote:

 	  Quote: 	
		   And being a relatively new 55 owner, my one tidbit to tell you is that 

 if the engine doesn't start in 1 or 2 blades, stop what you are 

 doing.  It either needs more prime or more blades. 

  

 I also throw 1 shot of prime into system while priming the cylinders

  

 I tell you the first tidbit because I emptied my air tank the first 

 two times I tried to fly and had to get a refill in order to start.  

 It should take you only about 250 psi to start, unless you aren't 

 quick enough getting the mags flipped on and advancing the throttle 

 and adding prime as necessary to start it. 

  

 So, basically practice your 1 armed paper hanger skills!

  

 Smash



 */Scott Poehlmann <scott-p(at)texas.net>/* wrote:



     



     Hi Dean,



     My procedure for the 55 is as follows:



     1) Intake drains (if present) OPEN, Mags OFF, Battery OFF, Ignition

     (="shower of sparks") OFF (That is the small switch on the panel

     lower

     left, under the mags and starter button)

     2) Pull prop through 12 blades

     3) Prime about 4-6 shots depending on temp (warmer = less)

     4) Pull prop through 12 blades

     5) Intakes Drains (if present) OPEN, drain, then CLOSED

     6) Prime 3-5 shots

     7) Cycle throttle 3-4 times, set to about 25%

      Battery ON

     9) Ignition ON

     10) Hit START button, as prop moves, Mags to ON

     11) Adjust throttle to about 28-35% rpm, check oil pressure,

     Generator

     (and all other switches on R-hand panel) ON



     Works like a charm. The "shower of sparks" has TWO switches: one

     is the

     "Ignition" switch and the other is a microswitch on the manual start

     valve (behind the panel on the far left). Both must be closed for the

     shower of sparks to operate.



     Hope this helps.



     Scott Poehlmann

     Yak 55M N155YK



     Dean Courtney wrote:

     > 

     >

     >

     > Gang,

     >

     > My ego has written a check my sorry butt can't cash. I am

     supposed to

     > relocate a Yak 55 from Fla. to Ala. in a couple weeks and don't

     know

     > much about them. Flown Yak 12, 50 & 52. 190 liters/50 gallons gas

     > sound right? Oil capacity? Start procedure standard Yak 50/52 or

     > something else? I see a switch placarded "Ignition" on the left

     side

     > of panel, I understand this is a manual air valve/switch and

     activates

     > the "shower of sparks"? It is a 1992 model, so still start with

     mags

     > off? For that matter how can one visually identify the "switch

     off to

     > start" mags vs the "switch on to start" Mags? Any other educational

     > tid bits

     ------------------------------------------------------------------------

     Ahhh...imagining that irresistible "new car" smell?

     Check out new cars at Yahoo! Autos.

     <http://us.rd.yahoo.com/evt=48245/*http://autos.yahoo.com/new_cars.html;_ylc=X3oDMTE1YW1jcXJ2BF9TAzk3MTA3MDc2BHNlYwNtYWlsdGFncwRzbGsDbmV3LWNhcnM->

     *

     *

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deancourtney696(at)hotmai
Guest

Posted: Wed May 09, 2007 6:51 am Post subject: Yak 55 info needed

Thanks for the input on starting. Sounds like standard Yak procedure, except 

IGN switch is located near the mag switch rather than in the switch cluster, 

Shower of Sparks activated by start button. Still wondering if anyone knows 

how much gas/oil the thing carries, and any oddities with the fuel/oil 

system I should know about? Thanx!!



_________________________________________________________________

Like the way Microsoft Office Outlook works? You’ll love Windows Live 

Hotmail.

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aerobaticgirl(at)yahoo.co
Guest

Posted: Wed May 09, 2007 10:11 am Post subject: Yak 55 info needed

You should keep 11-12 Liters of oil for cross country and plan on burning a liter an hour in cruise settings.  You will burn a liter every 20-30 min when doing acro.  

   

  It holds 90 liters a side or about 180 min worth of fuel in cruise.  I plan on no longer than 2.5 hours before fuel stop at about 75% -80% cruise setting.

   

  It is 48 gal usuable for english conversion.



Dean Courtney <deancourtney696(at)hotmail.com> wrote:

  [quote]--> Yak-List message posted by: "Dean Courtney" 



Thanks for the input on starting. Sounds like standard Yak procedure, except 

IGN switch is located near the mag switch rather than in the switch cluster, 

Shower of Sparks activated by start button. Still wondering if anyone knows 

how much gas/oil the        Ahhh...imagining that irresistible "new car" smell?

 Check out [url=http://us.rd.yahoo.com/evt=48245/*http://autos.yahoo.com/new_cars.html;_ylc=X3oDMTE1YW1jcXJ2BF9TAzk3MTA3MDc2BHNlYwNtYWlsdGFncwRzbGsDbmV3LWNhcnM-]new cars at Yahoo! Autos.[/url]  [quote][b]

- The Matronics Yak-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Yak-List

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