Today's Message Index:
----------------------
1. 12:03 AM - Re: RPM issue (Richard Goode)
2. 08:56 AM - Re: RPM issue (Stephen van Dijck)
3. 08:59 AM - Re: RPM issue (Stephen van Dijck)
Message 1
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That is true, but only for MT props made I guess in the last six years or so.
But in any case, particularly in aerobatics where it is useful to have rapid
pitch changes, higher oil pressure from the governor definitely helps.
RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: richard.goode@russianaeros.com
www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
-----Original Message-----
From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of Stephen van Dijck
Sent: 23 December 2021 20:14
Subject: Re: Yak-List: RPM issue
I thought a pressure upgrade of the governor was no longer required for the MT
prop as theyd changed their hub.
Any insights on this?
Steve
> On 23 Dec 2021, at 19:42, Richard Goode <richard.goode@russianaeros.com> wrote:
>
> --> <richard.goode@russianaeros.com>
>
> The governors are difficult to set up, and you do need to make sure that you
get an absolutely full travel at the governor relating to the full travel in the
cockpit.
>
>
> RICHARD GOODE AEROBATICS
> Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
> Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
> e-mail: richard.goode@russianaeros.com www.russianaeros.com WORLD
> LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES In partnership with
> Aerometal Kft, Hungary.
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> <owner-yak-list-server@matronics.com> On Behalf Of glipaz
> Sent: 23 December 2021 18:23
> To: yak-list@matronics.com
> Subject: Yak-List: RPM issue
>
>
> Looking for prop governor setup advice.
>
> M-14P. Had a v530 prop. in ground runup, the prop cycled fine per the book
to 50%. In flight I could not get RPMs below around 2000rpm (70%).
>
> Have now installed MT 3-blade prop and MT upgraded the governor to produce higher
pressure per their recommendation. Having same issue with the new prop.
Ground run cycles down, but in flight it won't go below 70%. Also, in a steep
descent, the RPM's will increase slightly.
>
> Anybody had this experience?
> Cheers and happy holidays,
> Gil
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=505362#505362
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 2
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Thanks Richard.
> On 24 Dec 2021, at 09:03, Richard Goode <richard.goode@russianaeros.com> wrote:
>
>
> That is true, but only for MT props made I guess in the last six years or so.
But in any case, particularly in aerobatics where it is useful to have rapid
pitch changes, higher oil pressure from the governor definitely helps.
>
> RICHARD GOODE AEROBATICS
> Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
> Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
> e-mail: richard.goode@russianaeros.com
> www.russianaeros.com
> WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
> In partnership with Aerometal Kft, Hungary.
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of Stephen van Dijck
> Sent: 23 December 2021 20:14
> To: yak-list@matronics.com
> Subject: Re: Yak-List: RPM issue
>
>
> I thought a pressure upgrade of the governor was no longer required for the MT
prop as theyd changed their hub.
> Any insights on this?
>
> Steve
>
>> On 23 Dec 2021, at 19:42, Richard Goode <richard.goode@russianaeros.com> wrote:
>>
>> --> <richard.goode@russianaeros.com>
>>
>> The governors are difficult to set up, and you do need to make sure that you
get an absolutely full travel at the governor relating to the full travel in
the cockpit.
>>
>>
>> RICHARD GOODE AEROBATICS
>> Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
>> Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
>> e-mail: richard.goode@russianaeros.com www.russianaeros.com WORLD
>> LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES In partnership with
>> Aerometal Kft, Hungary.
>>
>> -----Original Message-----
>> From: owner-yak-list-server@matronics.com
>> <owner-yak-list-server@matronics.com> On Behalf Of glipaz
>> Sent: 23 December 2021 18:23
>> To: yak-list@matronics.com
>> Subject: Yak-List: RPM issue
>>
>>
>> Looking for prop governor setup advice.
>>
>> M-14P. Had a v530 prop. in ground runup, the prop cycled fine per the book
to 50%. In flight I could not get RPMs below around 2000rpm (70%).
>>
>> Have now installed MT 3-blade prop and MT upgraded the governor to produce higher
pressure per their recommendation. Having same issue with the new prop.
Ground run cycles down, but in flight it won't go below 70%. Also, in a steep
descent, the RPM's will increase slightly.
>>
>> Anybody had this experience?
>> Cheers and happy holidays,
>> Gil
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=505362#505362
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
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>
>
>
>
>
>
Message 3
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where are you going with this Dennis?
I have a new MT on order and have upgraded to stronger springs in my governor.
What else should I be looking for when I get the propeller reinstalled?
rgds Stephen
> On 23 Dec 2021, at 20:26, Anthony Savarese <dsavarese0812@bellsouth.net> wrote:
>
>
> What happens when you pull the throttle back AFTER youve pulled the prop back
to where the rpm is 2000 or 70%? Does the RPM decrease or stay at 2000?
> Dennis
>
> Sent from my iPhone
>
>> On Dec 23, 2021, at 1:45 PM, Richard Goode <richard.goode@russianaeros.com>
wrote:
>>
>>
>> The governors are difficult to set up, and you do need to make sure that you
get an absolutely full travel at the governor relating to the full travel in
the cockpit.
>>
>>
>> RICHARD GOODE AEROBATICS
>> Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
>> Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
>> e-mail: richard.goode@russianaeros.com
>> www.russianaeros.com
>> WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
>> In partnership with Aerometal Kft, Hungary.
>>
>> -----Original Message-----
>> From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of glipaz
>> Sent: 23 December 2021 18:23
>> To: yak-list@matronics.com
>> Subject: Yak-List: RPM issue
>>
>>
>> Looking for prop governor setup advice.
>>
>> M-14P. Had a v530 prop. in ground runup, the prop cycled fine per the book
to 50%. In flight I could not get RPMs below around 2000rpm (70%).
>>
>> Have now installed MT 3-blade prop and MT upgraded the governor to produce higher
pressure per their recommendation. Having same issue with the new prop.
Ground run cycles down, but in flight it won't go below 70%. Also, in a steep
descent, the RPM's will increase slightly.
>>
>> Anybody had this experience?
>> Cheers and happy holidays,
>> Gil
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=505362#505362
>>
>>
>>
>>
>>
>>
>>
>>
>>
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