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Yak 55M - Airspeeds for safe opening of canopy

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heaysr(at)telus.net
Guest

Posted: Mon Sep 28, 2015 6:21 pm Post subject: Yak 55M - Airspeeds for safe opening of canopy

For the Yak 55M, does anyone have the airspeed below which it is safe to open the canopy without damaging it?

 

There are two canopy open positions. One around 6 inches open and another fully open for entry and egress to/from the cockpit.

 

Perhaps there are two airspeeds, one for 6” open and another for fully open?

 

Does anyone have experience with flying canopy open that they are prepared to share?  Comments welcome on cockpit air turbulence, through cockpit airflow and pressure. Did your maps get sucked out, for example? 

 

Royden Heays,

Vancouver, Canada

  [quote][b]

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drc(at)wscare.com
Guest

Posted: Tue Sep 29, 2015 5:54 am Post subject: Yak 55M - Airspeeds for safe opening of canopy

I owned a 55 for several years.  I do not believe there is an airspeed restriction for the canopy.  I have flown at normal cruise speeds with the canopy open and for sure with it at the first notch.  I like the design in many ways as oppoed to the sukhoi design  and I also like the vent at the top center - it allows great ventilation without the noise of the open cockpit.  The airflow is not bad with cockpit open - but of course the noise increases which can interfere with transmission on the radio.   Cnâ€™t answer the question about maps etc.  I fly mostly local flight or small handheld GPS.

  

 Fun airplane - alot of airplane for the money.  Have fun and fly safe.

  

 Herb

  

        

   Dr. Herbert Coussons

  main 920.338.6868

  fax 888.876.4773

  cell 920.639.8434

  (at)DrC_WSC

   

 

  [img]cid:0AEC9E78-9DFD-4F58-A5BE-DA155CD5EC8A[/img]    

  Green Bay â€¢ Appleton â€¢ Marinette

 womens-specialtycare.com

 

   

   

  This message is being sent by Dr Herbert Coussons, MD. It is intended exclusively  for the individuals and entities to which it is addressed. This communication, including any attachments, may contain  information that is proprietary, privileged, confidential, including information that is protected under the HIPAA privacy rules, or otherwise legally exempt from disclosure. If you are not the named addressee, you are not authorized to read, print, retain,  copy or disseminate this message or any part of it. If you have received this message in error, please notify the sender immediately by email and delete all copies of this message. This message is protected by applicable legal privileges and is confidential.

   

   

   [quote] On Sep 28, 2015, at 9:17 PM, Royden Heays <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:

     For the Yak 55M, does anyone have the airspeed below which it is safe to open the canopy without damaging it?

   

  There are two canopy open positions. One around 6 inches open and another fully open for entry and egress to/from the cockpit.

   

  Perhaps there are two airspeeds, one for 6â€ open and another for fully open?

   

  Does anyone have experience with flying canopy open that they are prepared to share?  Comments welcome on cockpit air turbulence, through cockpit airflow and pressure. Did your maps get sucked out,  for example? 

   

  Royden Heays,

  Vancouver, Canada

 

 [quote][b]

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javiercarrascob

Joined: 06 Sep 2009
Posts: 62
Location: Virginia

Posted: Tue Sep 29, 2015 10:34 am Post subject: Yak 55M - Airspeeds for safe opening of canopy

I think I recall that open canopy had no restrictions in the original manual.

I do open canopy always when doing formation flight and have done lots of acro with the canopy opened, all of my takeoffs and crack opened for landing

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heaysr(at)telus.net
Guest

Posted: Thu Oct 08, 2015 12:23 pm Post subject: Yak 55M - Airspeeds for safe opening of canopy

Many thanks to Tiger Airshows, Dr Herb Coussons and Javier Carrasco for their in depth responses to my questions about open cockpit flying in a Yak 55.

 

Tried it for the first time last weekend Â â€“ what a great new experience!

 

Regards

 

Royden Heays

Vancouver, BC

Canada

  [quote][b]

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Viperdoc

Joined: 19 Apr 2014
Posts: 484
Location: 08A

Posted: Thu Oct 08, 2015 7:57 pm Post subject: Yak 55M - Airspeeds for safe opening of canopy

Remember to keep your shoulder harness hooked up. ðŸ˜‰

Doc



Sent from my iPad



[quote] On Oct 7, 2015, at 11:30 PM, Royden Heays <heaysr(at)telus.net> wrote:

 

 Many thanks to Tiger Airshows, Dr Herb Coussons and Javier Carrasco for their in depth responses to my questions about open cockpit flying in a Yak 55

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_________________
Viperdoc

sailor2645(at)aol.com
Guest

Posted: Fri Oct 09, 2015 4:28 am Post subject: Yak 55M - Airspeeds for safe opening of canopy

Royden,

I am unable to find those airspeeds in the archives. Could you share them with me. 

Thanks,

Dan Caldwell

Sent from my iPad



On Oct 8, 2015, at 11:53 PM, Roger Kemp <f16viperdoc(at)me.com (f16viperdoc(at)me.com)> wrote:

[quote]Remember to keep your shoulder harness hooked up. ðŸ˜‰

Doc



Sent from my iPad



On Oct 7, 2015, at 11:30 PM, Royden Heays <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:

 	  Quote: 	
		    <![endif]-->   <![endif]-->

Many thanks to Tiger Airshows, Dr Herb Coussons and Javier Carrasco for their in depth responses to my questions about open cockpit flying in a Yak 55.

 

Tried it for the first time last weekend  â€“ what a great new experience!

 

Regards

 

Royden Heays

Vancouver, BC

Canada

   	  Quote: 	
		  



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[b]

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