Today's Message Index:
----------------------
1. 06:22 AM - Russian MTV Props (Richard Goode)
2. 06:45 AM - RPA mass formation and elections (Drew Blahnick)
3. 07:00 AM - (Robert Schwartz)
4. 07:19 AM - MTV-3 three blade vs V530 two blade.........Is their a difference? (Mark Schrick)
5. 08:02 AM - (Greg Medford)
6. 10:05 AM - MT Props Versus 2-Blades (Richard Goode)
7. 10:21 AM - Chinese 3 blade propellers (JOE)
8. 10:35 AM - Re: Chinese 3 blade propellers (Ernest Martinez)
9. 02:29 PM - Re: N444YK (ADE)
10. 05:00 PM - Re: Chinese 3 blade propellers (Roger Bieberdorf)
11. 06:40 PM - fighter pilot (Steven A Johnson)
12. 07:41 PM - Re: Russian MTV-9-250 Prop Service? (Ron Davis)
13. 07:44 PM - Re: Russian MTV Props (Ron Davis)
14. 08:57 PM - Re: (Roger Kemp)
Message 1
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| Subject: | Russian MTV Props |
To explain the position impartially:
Speriott in Russia (manufacturer of the 2-blade propeller) told MT that they would
be getting an order for very large numbers of 3-blade propellers, and MT agreed
a licensing arrangement whereby Speriott would pay a certain amount per
propeller sold, and this money would be paid against the serial numbers of propellers
manufactured. These propellers could not be exported and could only be
used inside the Soviet Union.
This initially went well, although the numbers of propellers were far less than
envisaged, until it became clear to MT that only a proportion of the propellers
being manufactured were declared to them. MT in consequence have said that
they will not service any of these 'black' propellers, although they will not
be so difficult with those propellers that have been declared to them and on
which licence fees have been paid.
Speriott themselves will overhaul the 3-blade propellers they have made, but it
is a total nightmare to get the propellers into Russia and then out again, and
barely worth the effort!
Richard Goode
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Mob: +44 (0) 7768 610389
Fax: +44 (0) 1544 340129
www.russianaeros.com
dangerous content by the http://www.invictawiz.com
MailScanner, and is believed to be clean.
Message 2
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| Subject: | RPA mass formation and elections |
Folks,
The new chapter 7 "mass formation" is complete and uploaded on the RPA website,
as are the updated fast training form. The mass formation room is being opened
with this document and we have recieved the new tactical formation chapter and
its pending upload...
The presidents message has an update to the bylaws changes and elections that are
open for folks to self nominate, or nominate others, and explains how and when...
And the proposed bylaws, that completes the regionalization of the association
and significantly strengthans the board of directors, are open for download on
the home page!
Drew Blahnick
---------------------------------
Message 3
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for us newcomers, is there any real advantage to buying a M T 3 blade prop for
the YAK 52, other than climb performance. Is there any help in cruise Kts?
bob Schwartz
Message 4
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| Subject: | MTV-3 three blade vs V530 two blade.........Is their a difference? |
MTV-3 has NO help in cruise just in climb. I have seen 3-5 knots slower speed
over the 2 blade which makes sense since it was designed for Acro performance
not cruise. 23% more thrust between a 2 blade and the MTV-3 prop. HUGE
difference in climb performance.
Hope that helps.
Mark "SHREK" Schrick
YAK DRIVER, LLC
Aerostar Dealer of (New) Yak 52TW
Fully Restored USED Yak 52's "We meet anyone's budget!!!
REDSTAR Pilot Assoc. Active member
966 Wallace Drive
San Jose, Ca 95120-1848
Hm/Fax 408-323-5150
Cell 408-391-6664
Email <mailto:schrick@pacbell.net> schrick@pacbell.net
Website <http://www.yakdriver.com/> www.YAKDRIVER.com
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert Schwartz
Subject: Yak-List:
for us newcomers, is there any real advantage to buying a M T 3 blade prop
for the YAK 52, other than climb performance. Is there any help in cruise
Kts?
bob Schwartz
Message 5
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--> Yak-List message posted by: "Greg Medford" <medford007@qwest.net>
Does anybody have any good line art of the CJ and Yak 50? Even a good
schematic blue print type layout of the plan form of the planes would
be appreciated. Please send files to greg@warbirdairshows.com
Thanks Guys!
Greg Medford
Message 6
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| Subject: | MT Props Versus 2-Blades |
To make it clear, I am very biased in favour of MT props - that is why I sell them!
However, I do feel the following is objective:
MT POSITIVE:
In terms of performance, one should be comparing the new -29 blade in an MTV-9
rather than the old MTV-3 with -27 blades. (We have done genuine back-to-back
and 'converted' figures showing improvements of between, depending on parameter,
2% - 12.5% going from -27 to -29 blades).
I would disagree with Mark, and, particularly with the -29 blades we have definitely
seen increase in both cruise and top speed. However the really noticeable
difference is in thrust and therefore acceleration/climb.
The MT prop is intrinsically smoother.
They are typically better balanced from new/overhaul.
In any case they are much easier to balance - unless you have a spinner on your
2-blade.
They have a one-piece leading-edge, making it much more difficult for water penetration.
The leading-edge is stainless steel on the MT and therefore much stronger and resistant
to stone damage.
For aerobatics, the MTV-9 changes pitch quicker.
MTV NEGATIVE:
Cost!
At 250cm it is 2-inches longer - only a possible problem on rough surfaces and
if nose-wheel tyre is not hard.
Richard Goode
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Mob: +44 (0) 7768 610389
Fax: +44 (0) 1544 340129
www.russianaeros.com
dangerous content by the http://www.invictawiz.com
MailScanner, and is believed to be clean.
Message 7
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| Subject: | Chinese 3 blade propellers |
To anyone interested;
We now have in stock the new manufacture JL2 series 3 blade propellers produced
by the same factory that builds the J9G1 2 blade props.
The JL2 fits the Chinese H6K 400 HP engine
The JL2A fits the M14B ( splined prop shaft ) or HS6A 285 HP.
The JL2B will fit the M14P 360 or 400 HP.
For info call Joe 250 748 2203
JOAL HOLDINGS LTD.
joeh@shaw.ca
Or Colin at 250 656 7600
VICTORIA AIR MAINTENANCE LTD.
colinmonteith@vicair.net
Joe Howse
.
Message 8
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| Subject: | Re: Chinese 3 blade propellers |
--> Yak-List message posted by: Ernest Martinez <erniel29@gmail.com>
How much for the JL2A and how much does it weigh in comparison to the stock J9G1
Ernie
On 10/14/05, JOE <joeh@shaw.ca> wrote:
>
> To anyone interested;
>
> We now have in stock the new manufacture JL2 series 3 blade propellers
> produced by the same factory that builds the J9G1 2 blade props.
>
> The JL2 fits the Chinese H6K 400 HP engine
>
> The JL2A fits the M14B ( splined prop shaft ) or HS6A 285 HP.
>
> The JL2B will fit the M14P 360 or 400 HP.
>
> For info call Joe 250 748 2203
> JOAL HOLDINGS LTD.
> joeh@shaw.ca
> Or Colin at 250 656 7600
> VICTORIA AIR MAINTENANCE LTD.
> colinmonteith@vicair.net
>
>
> Joe Howse
>
>
> .
>
>
Message 9
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Sam , please send pics and price
On Oct 13, 2005, at 6:33 PM, SWP013@aol.com wrote:
>
> Yakksters!
>
> N444YK is still for sale and the lousy weather is hitting Cape Cod.=A0
> Come buy this airplane from us before we're snowed in for the winter
> again.
>
> Contact me off list for pics and specs.
>
> Sam "SPUD" Patellos
Message 10
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| Subject: | Re: Chinese 3 blade propellers |
Joe; What does the conversion to the 3 blade prop do to the performance of the
stock HS6A 285 HP aircraft?
What is the cost?
Is there any value to an existing operating 2 blade prop?
Are there any other changes that must be made to convert to the 3 blade?
Why would we do it? Benefits?
rb
JOE <joeh@shaw.ca> wrote:
To anyone interested;
We now have in stock the new manufacture JL2 series 3 blade propellers produced
by the same factory that builds the J9G1 2 blade props.
The JL2 fits the Chinese H6K 400 HP engine
The JL2A fits the M14B ( splined prop shaft ) or HS6A 285 HP.
The JL2B will fit the M14P 360 or 400 HP.
For info call Joe 250 748 2203
JOAL HOLDINGS LTD.
joeh@shaw.ca
Or Colin at 250 656 7600
VICTORIA AIR MAINTENANCE LTD.
colinmonteith@vicair.net
Joe Howse
.
---------------------------------
Message 11
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Q: How do you know if there is a fighter pilot at your party?
A: He'll tell you.
Q: What's the difference between God and fighter pilots?
A: God doesn't think he's a fighter pilot.
Q: What's the difference between a fighter pilot and a jet engine?
A: The jet engine stops whining when the plane shuts down.
Message 12
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| Subject: | Re: Russian MTV-9-250 Prop Service? |
--> Yak-List message posted by: "Ron Davis" <l39parts@hotmail.com>
Rolex could do that with the watch I bought on Canal Street in New York,
too, but I don't think they will. If you made a quality product, why would
you service a counterfeit copy of it?
It's altogether possible that the materials are as shoddy as the workmanship
on Russian MT props and there is no cure for that problem.
Brian Lloyd wrote:
>And the Germans already have experience doing this with a whole country,
>i.e. East Germany. If they can do it with a country they can do it with a
>couple of props
Message 13
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| Subject: | Re: Russian MTV Props |
That squares with my experience. Often if you tell MT the serial number on a Russian
"MT" prop, they will tell you that no such serial number exists. This
presumably means they didn't get the royalty they expected.
Message 14
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Not really, other than looking cool and you get better climb performance.
Doc
----- Original Message -----
From: Robert Schwartz
Subject: Yak-List:
for us newcomers, is there any real advantage to buying a M T 3 blade prop for
the YAK 52, other than climb performance. Is there any help in cruise Kts?
bob Schwartz
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