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Cooling shroud for air compressor?

 
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PostPosted: Sun Jan 17, 2016 6:23 am    Post subject: Cooling shroud for air compressor? Reply with quote

Does a cooling shroud for the air compressor exist for the M14P?  Perhaps something similar is available from the CJ operators?  I'm a new operator of a Yak 55 in Arizona, and I'm wondering if improved cooling would be a good idea for our high summer temperatures.Thank you!
John B


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PostPosted: Sun Jan 17, 2016 7:16 am    Post subject: Cooling shroud for air compressor? Reply with quote

It does exist, John. Built of carbon fiber by a skilled fellow at our airport. It was modeled after the M-14P shroud on a Yak 18T.
I know that Ian Burnham, the builder, was close to creating a mold from which he could product more. He can be reached at aerobuild(at)msn.com and (707) 975-0199.

Blitz Fox
415-307-2405

Quote:
On Jan 17, 2016, at 6:20 AM, John B <jbsoar(at)gmail.com> wrote:

Does a cooling shroud for the air compressor exist for the M14P? Perhaps something similar is available from the CJ operators? I'm a new operator of a Yak 55 in Arizona, and I'm wondering if improved cooling would be a good idea for our high summer temperatures.
Thank you!
John B


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PostPosted: Sun Jan 17, 2016 8:16 am    Post subject: Cooling shroud for air compressor? Reply with quote

An alternative to cooling is to stop it getting hot in the first place. Install an unloader. Kimball sell a kit. It is a valve that is switchable from the cockpit that vents the out going compressed air line to atmosphere. THe compressor will not heat up while it is nothing to compress. Venting to atmosphere probably save a bit of power too. I start the engine with compressor on and by the end of run up the pressure in the receiver is up to operating pressure, then flick the switch to vent to atmosphere for the flight.
Royden Heays
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PostPosted: Sun Jan 17, 2016 9:25 am    Post subject: Cooling shroud for air compressor? Reply with quote

Royden-The airplane already has one of these installed.  So, I don't have an air pressure indicator.  How does one install one?
John B
On Sun, Jan 17, 2016 at 9:13 AM, Heaysr <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:
[quote]An alternative to cooling is to stop it getting hot in the first place. Install an unloader. Kimball sell a kit. It is a valve that is switchable from the cockpit that vents the out going compressed air line to atmosphere. THe compressor will not heat up while it is nothing to compress. Venting to atmosphere probably save a bit of power too. I start the engine with compressor on and by the end of run up the pressure in the receiver is up to operating pressure, then flick the switch to vent to atmosphere for the flight. 
Royden Heays
---


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Joined: 19 Apr 2014
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PostPosted: Sun Jan 17, 2016 5:57 pm    Post subject: Cooling shroud for air compressor? Reply with quote

Doug Sapp has a cooling set for the CJ that works on the YAKs
Doc

Sent from my iPad

Quote:
On Jan 17, 2016, at 9:13 AM, Byron M Fox <byronmfox(at)gmail.com> wrote:

It does exist, John. Built of carbon fiber by a skilled fellow at our airport. It was modeled after the M-14P shroud on a Yak 18T.
I know that Ian Burnham, the builder, was close to creating a mold from which he could product more. He can be reached at aerobuild(at)msn.com and (707) 975-0199.
<image1.JPG>


<image2.JPG>

Blitz Fox
415-307-2405

> On Jan 17, 2016, at 6:20 AM, John B <jbsoar(at)gmail.com> wrote:
>
> Does a cooling shroud for the air compressor exist for the M14P? Perhaps something similar is available from the CJ operators? I'm a new operator of a Yak 55 in Arizona, and I'm wondering if improved cooling would be a good idea for our high summer temperatures.
> Thank you!
> John B


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PostPosted: Sun Jan 17, 2016 6:05 pm    Post subject: Cooling shroud for air compressor? Reply with quote

Is Doug Sapp on this forum?  Does anyone have a picture of his set-up?

On Sunday, January 17, 2016, Roger Kemp <f16viperdoc(at)me.com (f16viperdoc(at)me.com)> wrote:
Quote:
--> M14PEngines-List message posted by: Roger Kemp <[url=javascript:;]f16viperdoc(at)me.com[/url]>

Doug Sapp has a cooling set for the CJ that works on the YAKs
Doc

Sent from my iPad

> On Jan 17, 2016, at 9:13 AM, Byron M Fox <[url=javascript:;]byronmfox(at)gmail.com[/url]> wrote:
>
> It does exist, John.  Built of carbon fiber by a skilled fellow at our airport. It was modeled after the M-14P shroud on a Yak 18T.
> I know that Ian Burnham, the builder, was close to creating a mold from which he could product more. He can be reached at [url=javascript:;]aerobuild(at)msn.com[/url] and (707) 975-0199.
> <image1.JPG>
>
>
> <image2.JPG>
>
> Blitz Fox
> 415-307-2405
>
>> On Jan 17, 2016, at 6:20 AM, John B <[url=javascript:;]jbsoar(at)gmail.com[/url]> wrote:
>>
>> Does a cooling shroud for the air compressor exist for the M14P?  Perhaps something similar is available from the CJ operators?  I'm a new operator of a Yak 55 in Arizona, and I'm wondering if improved cooling would be a good idea for our high summer temperatures.
>> Thank you!
>> John B


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Viperdoc



Joined: 19 Apr 2014
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Location: 08A

PostPosted: Mon Jan 18, 2016 4:41 pm    Post subject: Cooling shroud for air compressor? Reply with quote

Yes and no. Just have one of his for the 5
Doc

Sent from my iPad

On Jan 17, 2016, at 8:01 PM, John B <jbsoar(at)gmail.com (jbsoar(at)gmail.com)> wrote:
Quote:
Is Doug Sapp on this forum? Does anyone have a picture of his set-up?

On Sunday, January 17, 2016, Roger Kemp <f16viperdoc(at)me.com (f16viperdoc(at)me.com)> wrote:
Quote:
--> M14PEngines-List message posted by: Roger Kemp <[url=javascript:;]f16viperdoc(at)me.com[/url]>

Doug Sapp has a cooling set for the CJ that works on the YAKs
Doc

Sent from my iPad

> On Jan 17, 2016, at 9:13 AM, Byron M Fox <[url=javascript:;]byronmfox(at)gmail.com[/url]> wrote:
>
> It does exist, John. Built of carbon fiber by a skilled fellow at our airport. It was modeled after the M-14P shroud on a Yak 18T.
> I know that Ian Burnham, the builder, was close to creating a mold from which he could product more. He can be reached at [url=javascript:;]aerobuild(at)msn.com[/url] and (707) 975-0199.
> <image1.JPG>
>
>
> <image2.JPG>
>
> Blitz Fox
> 415-307-2405
>
>> On Jan 17, 2016, at 6:20 AM, John B <[url=javascript:;]jbsoar(at)gmail.com[/url]> wrote:
>>
>> Does a cooling shroud for the air compressor exist for the M14P? Perhaps something similar is available from the CJ operators? I'm a new operator of a Yak 55 in Arizona, and I'm wondering if improved cooling would be a good idea for our high summer temperatures.
>> Thank you!
>> John B


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r> > w.buildersbooks.com" target="_blank">www.buildersbooks.com
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PostPosted: Wed Jan 20, 2016 10:27 pm    Post subject: Cooling shroud for air compressor? Reply with quote

John B,

Sorry, but I want to put “sloop” in front of your name.

Yeah, you have to have a pressure indicator in the cockpit, otherwise you don’t know when to unload the compressor. One was installed when I acquired my Yak.

I’ll check this weekend to see where the tap off is. I’m sure your Yak has a ground air-charge fitting just behind the trailing edge of the left wing root. I think the tap off is within the fuselage on that line but will verify for you. I have had to replace the 1,000 psi gauge required several times. So if you are going to fit one, get a few spares and if you have a system air leak check there first.

Royden

From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of John B
Sent: Sunday, January 17, 2016 9:22 AM
To: m14pengines-list(at)matronics.com
Subject: Re: Cooling shroud for air compressor?

Royden-
The airplane already has one of these installed. So, I don't have an air pressure indicator. How does one install one?

John B

On Sun, Jan 17, 2016 at 9:13 AM, Heaysr <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:[quote]
An alternative to cooling is to stop it getting hot in the first place. Install an unloader. Kimball sell a kit. It is a valve that is switchable from the cockpit that vents the out going compressed air line to atmosphere. THe compressor will not heat up while it is nothing to compress. Venting to atmosphere probably save a bit of power too. I start the engine with compressor on and by the end of run up the pressure in the receiver is up to operating pressure, then flick the switch to vent to atmosphere for the flight.



Royden Heays



---


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PostPosted: Thu Jan 21, 2016 3:28 am    Post subject: Cooling shroud for air compressor? Reply with quote

Does the Yak 55 have a pressure relief valve as the Yak 52 and CJ6 has?
Thanks,
Dennis


From: Royden Heays <heaysr(at)telus.net>
To: m14pengines-list(at)matronics.com
Sent: Thursday, January 21, 2016 1:20 AM
Subject: RE: Cooling shroud for air compressor?


#yiv6066572137 #yiv6066572137 -- _filtered #yiv6066572137 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv6066572137 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} #yiv6066572137 #yiv6066572137 p.yiv6066572137MsoNormal, #yiv6066572137 li.yiv6066572137MsoNormal, #yiv6066572137 div.yiv6066572137MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:12.0pt;} #yiv6066572137 a:link, #yiv6066572137 span.yiv6066572137MsoHyperlink {color:blue;text-decoration:underline;} #yiv6066572137 a:visited, #yiv6066572137 span.yiv6066572137MsoHyperlinkFollowed {color:purple;text-decoration:underline;} #yiv6066572137 span.yiv6066572137EmailStyle17 {color:#1F497D;} #yiv6066572137 .yiv6066572137MsoChpDefault {} _filtered #yiv6066572137 {margin:1.0in 1.0in 1.0in 1.0in;} #yiv6066572137 div.yiv6066572137WordSection1 {} #yiv6066572137 John B,

Sorry, but I want to put “sloop” in front of your name.

Yeah, you have to have a pressure indicator in the cockpit, otherwise you don’t know when to unload the compressor. One was installed when I acquired my Yak.

I’ll check this weekend to see where the tap off is. I’m sure your Yak has a ground air-charge fitting just behind the trailing edge of the left wing root. I think the tap off is within the fuselage on that line but will verify for you. I have had to replace the 1,000 psi gauge required several times. So if you are going to fit one, get a few spares and if you have a system air leak check there first.

Royden

From: owner-m14pengines-list-server(at)matronics.com [mailto:owner-m14pengines-list-server(at)matronics.com] On Behalf Of John BSent: Sunday, January 17, 2016 9:22 AMTo: m14pengines-list(at)matronics.comSubject: Re: Cooling shroud for air compressor?

Royden-
The airplane already has one of these installed. So, I don't have an air pressure indicator. How does one install one?

John B



On Sun, Jan 17, 2016 at 9:13 AM, Heaysr <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:

[quote]An alternative to cooling is to stop it getting hot in the first place. Install an unloader. Kimball sell a kit. It is a valve that is switchable from the cockpit that vents the out going compressed air line to atmosphere. THe compressor will not heat up while it is nothing to compress. Venting to atmosphere probably save a bit of power too. I start the engine with compressor on and by the end of run up the pressure in the receiver is up to operating pressure, then flick the switch to vent to atmosphere for the flight.



Royden Heays


---


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PostPosted: Thu Jan 21, 2016 7:37 am    Post subject: Cooling shroud for air compressor? Reply with quote

Hello Dennis.
Yes, the Yak 55 has a pressure relief valve that cycles all the time when no unloader is fitted.
The cylinder bore and piston diameter is slightly smaller than the valve on the Yak 52, I believe.
Regards
Royden
---


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