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Vedeneyev engines

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richard.goode(at)russiana
Guest

Posted: Tue Oct 01, 2013 3:42 am Post subject: Vedeneyev engines

For those interested in mechanical oddities, particularly involving the Vedenyeev engine, I did a couple of hours flying last week in Hungary in a Kamov 26, the helicopter using two M14V engines (the helicopter version of the "P") which are mounted on either side of the fuselage, driving a right- angled gearbox to a central gearbox, which then drives two main rotors, one above the other, which contra-rotate, so there is no problem with torque, so no need for a tail-rotor. They are very basic machines; incredibly noisy inside, but a tough workhorse for crop-spraying. Officially the engines run at 99%, and while spraying they tend to keep at maximum power, but a lot of operators go to 102/103% in search of extra lift. Inevitably the engines run very hot, and 3L (roughly a US quart) an hour is considered very reasonable, with some engines using up to 8L an hour! Unfortunately the world's fleet of these helicopters is now running out of rotor blades, and the cost of a set of six is significantly more than the value of a flying helicopter, so within 2/3 years all will be grounded. If you're interested in what they look like attached are pictures.

 

Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5 3LW

 

Tel:  +44 (0) 1544 340120

Fax: +44 (0) 1544 340129

www.russianaeros.com

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jan.mevis(at)informavia.b
Guest

Posted: Tue Oct 01, 2013 4:14 am Post subject: Vedeneyev engines

Thanks Richard! Very interesting!

Jan

From:  Richard Goode <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>

Reply-To:  "yak-list(at)matronics.com (yak-list(at)matronics.com)" <yak-list(at)matronics.com (yak-list(at)matronics.com)>

Date:  Tuesday 1 October 2013 13:38

To:  "yak-list(at)matronics.com (yak-list(at)matronics.com)" <yak-list(at)matronics.com (yak-list(at)matronics.com)>

Subject:  Vedeneyev engines

    1024x768  <![endif]-->  Clean     false false false  EN-GB X-NONE X-NONE           MicrosoftInternetExplorer4              <![endif]-->                                                                                                                                            <![endif]-->/* Style Definitions */ table.MsoNormalTable 	{mso-style-name:"Table Normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-priority:99; 	mso-style-qformat:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin:0cm; 	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:10.0pt; 	font-family:"Times New Roman","serif";} <![endif]-->  <![endif]-->   <![endif]-->

For those interested in mechanical oddities, particularly involving the Vedenyeev engine, I did a couple of hours flying last week in Hungary in a Kamov 26, the helicopter using two M14V engines (the helicopter version of the "P") which are mounted on either side of the fuselage, driving a right- angled gearbox to a central gearbox, which then drives two main rotors, one above the other, which contra-rotate, so there is no problem with torque, so no need for a tail-rotor. They are very basic machines; incredibly noisy inside, but a tough workhorse for crop-spraying. Officially the engines run at 99%, and while spraying they tend to keep at maximum power, but a lot of operators go to 102/103% in search of extra lift. Inevitably the engines run very hot, and 3L (roughly a US quart) an hour is considered very reasonable, with some engines using up to 8L an hour! Unfortunately the world's fleet of these helicopters is now running out of rotor blades, and the cost of a set of six is significantly more than the value of a flying helicopter, so within 2/3 years all will be grounded. If you're interested in what they look like attached are pictures.

Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5 3LW

Tel:  +44 (0) 1544 340120

Fax: +44 (0) 1544 340129

www.russianaeros.com

    [quote][b]

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dsavarese0812(at)bellsout
Guest

Posted: Tue Oct 01, 2013 5:14 am Post subject: Vedeneyev engines

Enjoyed reading your short story       Richard.  Thanks for sharing.

       Dennis

        	  Quote: 	
		  A. Dennis Savarese

334-285-6263

334-546-8182 (mobile)

www.yak-52.com

Skype - Yakguy1 	
       On 10/1/2013 6:38 AM, Richard Goode wrote:

     

     [quote]                                              1024x768  <![endif]-->  Clean     false false false  EN-GB X-NONE X-NONE           MicrosoftInternetExplorer4              <![endif]-->                                                                                                                                            <![endif]-->       /* Style Definitions */ table.MsoNormalTable 	{mso-style-name:"Table Normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-priority:99; 	mso-style-qformat:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin:0cm; 	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:10.0pt; 	font-family:"Times New Roman","serif";} <![endif]-->  <![endif]-->   <![endif]-->                

For those interested in               mechanical oddities, particularly involving the Vedenyeev               engine, I did a couple of hours flying last week in               Hungary in a Kamov 26, the helicopter using two M14V               engines (the helicopter version of the "P") which are               mounted on either side of the fuselage, driving a right-               angled gearbox to a central gearbox, which then drives two               main rotors, one above the other, which contra-rotate, so               there is no problem with torque, so no need for a               tail-rotor. They are very basic machines; incredibly noisy               inside, but a tough workhorse for crop-spraying.               Officially the engines run at 99%, and while spraying they               tend to keep at maximum power, but a lot of operators go               to 102/103% in search of extra lift. Inevitably the               engines run very hot, and 3L (roughly a US quart) an hour               is considered very reasonable, with some engines using up               to 8L an hour! Unfortunately the world's fleet of these               helicopters is now running out of rotor blades, and the               cost of a set of six is significantly more than the value               of a flying helicopter, so within 2/3 years all will be               grounded. If you're interested in what they look like               attached are pictures.         

          

Richard Goode Aerobatics         

Rhodds Farm         

Lyonshall         

Hereford         

HR5 3LW         

          

Tel:  +44 (0) 1544 340120         

Fax: +44 (0) 1544 340129         

www.russianaeros.com         

        

     [b]

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McFly

Joined: 21 May 2012
Posts: 101
Location: Scottsdale, AZ

Posted: Tue Oct 01, 2013 7:52 am Post subject: Vedeneyev engines

Very cool!

So these are not limited to 99% for 5 min?



Todd McCutchanT-34A & Yak-50

Cell (260) 402-1740

E-mail todd(at)fastaircraft.com (todd(at)fastaircraft.com)

www.fastaircraft.com

On Oct 1, 2013, at 7:38 AM, "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)> wrote:

[quote]    1024x768  <![endif]-->  Clean     false false false  EN-GB X-NONE X-NONE           MicrosoftInternetExplorer4              <![endif]-->                                                                                                                                            <![endif]-->/* Style Definitions */ table.MsoNormalTable 	{mso-style-name:"Table Normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-priority:99; 	mso-style-qformat:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin:0cm; 	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:10.0pt; 	font-family:"Times New Roman","serif";} <![endif]-->  <![endif]-->   <![endif]-->

For those interested in mechanical oddities, particularly involving the Vedenyeev engine, I did a couple of hours flying last week in Hungary in a Kamov 26, the helicopter using two M14V engines (the helicopter version of the "P") which are mounted on either side of the fuselage, driving a right- angled gearbox to a central gearbox, which then drives two main rotors, one above the other, which contra-rotate, so there is no problem with torque, so no need for a tail-rotor. They are very basic machines; incredibly noisy inside, but a tough workhorse for crop-spraying. Officially the engines run at 99%, and while spraying they tend to keep at maximum power, but a lot of operators go to 102/103% in search of extra lift. Inevitably the engines run very hot, and 3L (roughly a US quart) an hour is considered very reasonable, with some engines using up to 8L an hour! Unfortunately the world's fleet of these helicopters is now running out of rotor blades, and the cost of a set of six is significantly more than the value of a flying helicopter, so within 2/3 years all will be grounded. If you're interested in what they look like attached are pictures.

 

Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5 3LW

 

Tel:  +44 (0) 1544 340120

Fax: +44 (0) 1544 340129

www.russianaeros.com

 



<DSCF3238.JPG>

<DSCF3239.JPG>

[b]

- The Matronics Yak-List Email Forum -

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_________________
Todd McCutchan
Fast Aircraft
T-34A - N134FA
KDVT Hangar 33-13

Cell - 260.402.1740

Email: todd@fastaircraft.com
Skype: tmccutchan
Web: www.fastaircraft.com & www.flyams.com

richard.goode(at)russiana
Guest

Posted: Tue Oct 01, 2013 8:11 am Post subject: Vedeneyev engines

Yes, they are limited as you say. But with a full spraying load and a hot day, they are rather underpowered, so the operators turn the governors up a little! They have a 500 hour TBO, and quite a lot have major problems before that!

 

Richard Goode Aerobatics



 

From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Todd McCutchan

Sent: 01 October 2013 16:50

To: yak-list(at)matronics.com

Subject: Re: Vedeneyev engines

 

Very cool!



 



So these are not limited to 99% for 5 min?



Todd McCutchan

T-34A & Yak-50



Cell (260) 402-1740



E-mail todd(at)fastaircraft.com (todd(at)fastaircraft.com)



www.fastaircraft.com



 



 



On Oct 1, 2013, at 7:38 AM, "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)> wrote:

 	  Quote: 	
		  

For those interested in mechanical oddities, particularly involving the Vedenyeev engine, I did a couple of hours flying last week in Hungary in a Kamov 26, the helicopter using two M14V engines (the helicopter version of the "P") which are mounted on either side of the fuselage, driving a right- angled gearbox to a central gearbox, which then drives two main rotors, one above the other, which contra-rotate, so there is no problem with torque, so no need for a tail-rotor. They are very basic machines; incredibly noisy inside, but a tough workhorse for crop-spraying. Officially the engines run at 99%, and while spraying they tend to keep at maximum power, but a lot of operators go to 102/103% in search of extra lift. Inevitably the engines run very hot, and 3L (roughly a US quart) an hour is considered very reasonable, with some engines using up to 8L an hour! Unfortunately the world's fleet of these helicopters is now running out of rotor blades, and the cost of a set of six is significantly more than the value of a flying helicopter, so within 2/3 years all will be grounded. If you're interested in what they look like attached are pictures.

 

Richard Goode Aerobatics

Rhodds Farm

Lyonshall

Hereford

HR5 3LW

 

Tel:  +44 (0) 1544 340120

Fax: +44 (0) 1544 340129

www.russianaeros.com

 



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