Today's Message Index:
----------------------
1. 12:51 AM - Re: Re: CJ6A Huosai Replacement Blades (Richard Goode)
2. 06:02 AM - Re: CJ6A Huosai Replacement Blades (jacques)
3. 06:48 AM - Re: Re: CJ6A Huosai Replacement Blades (Richard Goode)
4. 07:18 AM - Re: Re: CJ6A Huosai Replacement Blades (jlpartington@reagan.com)
5. 11:31 AM - Re: CJ6A Huosai Replacement Blades (jacques)
6. 11:58 AM - Re: Re: CJ6A Huosai Replacement Blades (W LANNON)
Message 1
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| Subject: | Re: CJ6A Huosai Replacement Blades |
We are now in the final stages of testing our up-rated Housai which is currently
developing 300 hp at only 2300 rpm, so we are confident that it will exceed
are planned 330 hp, at higher rpm but we will publish all the results very shortly.
We are confident that the existing Chinese propeller is both perfectly safe and
can absorb the additional power, but clearly it is a very old-fashioned and inefficient
aerofoil section, and in order to really maximise additional power
one does need a better propeller. We are agents for MT, and they have done all
the preparatory work to making a version of the MTV-9 on a hub to fit the Housai
spline. But, although I know it would be a fantastic propeller, it will be
very expensive, and we have to order six new propeller is at around Euro 16,500
each!
In consequence have been pushing Alex at GT propellers to offer an alternative,
which he says he is about to, but this has been going on for some time. Critically,
I've said to him that he must have a performance comparison against the
standard propeller with the same aeroplane on the same day and in carefully measured
conditions. As yet he hasn't provided this comparison which he really
should in order to sell his propellers.
I'm keen to support him, and I hope that this will happen!
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 Bill Yakrobatics
Sent: 01 February 2022 21:45
Subject: Re: Yak-List: Re: CJ6A Huosai Replacement Blades
Whats the latest on these blades? Ill be hanging a new engine soon and would
like to see if these will be going with it or not.
Performance comparison? Pricing? Availability?
And I KNOW Im not the only one hawking this.
Thx
Pirate
Sent from Bill's iPhone
> On Nov 19, 2021, at 10:21, ALEXGTPROPELLERS <info@gt-propellers.com> wrote:
>
> <info@gt-propellers.com>
>
> GT/CJ natural blades are ready and work perfectly on the 2 blade hub ! A sample
is flying in TX on stock 285 HP Housai.The installation was done by Jill.
> For bigger power, 300/330 HP upgraded, Housai engines, we got 3 different options.
>
> 1- Different blades model wider in cord for the stock 2 blade chinese hub.
>
> 2- GT natural blades compatible with the 3 bladed chinese hub .
>
> 3 - Our existing M14/ GT 3 bladed hub modified for the spline installation.We
are working on this now.Please note that our 3 bladed hub for M14 and Housai
engines has the capability to replace blades on wings so a lot of blades can
be tested on field.Transport fees are drastically reduced compared big triangle
of the standard prop freights.
> Safety of the transport is higher.
>
> For additional details please feel free to reach me via email.
> info@gt-propellers.com
>
> K regards
> Alex Tonini
>
> https://www.facebook.com/yakpropellerexpert
>
> https://www.facebook.com/GtProp
>
> https://www.instagram.com/gtpropellers/
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=504585#504585
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/220912772_1889214737913728_44398152
> 51507811579_n_582.jpg
>
>
>
>
>
>
Message 2
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| Subject: | Re: CJ6A Huosai Replacement Blades |
Richard,
I have been thinking about a 3 blade propeller for the huosai for a long time.
I asked Alex from GT if he could make a 3 blade hub using his special blades for
the CJ 2 blade propeller or other blades, but he is working on it. I haven't
heard from him since.
I think we talked together about a MT propeller with 3 blades for the Huosai and
I showed you that there was an MT9 propeller for the Jacobs with a splined shaft.
I asked Mt if they could just change this hub to the Huosai and gave you the information
but as an individual MT did not respond.
Following our conversation you talked to MT about it and they saw this hub and
they started thinking.
It's a shame that MT is charging a lot for the first 6 propellers instead of making
them at the same price as the others, betting on the willingness of CJ owners
to buy more.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=505890#505890
Message 3
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| Subject: | Re: CJ6A Huosai Replacement Blades |
Hello Jacques firstly I don't think the Housai spline is exactly the same as the
Jacobs. Certainly MT told me that they would need to design a slightly different
hub. In the real problem is that they are so successful in selling propellers
that they can seemingly ask any price! But if I had real interest from 6/8
Housai owners, I believe I could negotiate a better price with MT. And as far
as Alex is concerned, I'm extremely keen that he should succeed, but he simply
will not do a back-to-back test with his new propeller and an original Chinese
propeller indicating static thrust; rate of climb; speed et cetera, and without
this information, I don't believe anyone will order one of his propellers!
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 jacques
Sent: 02 February 2022 14:02
Subject: Yak-List: Re: CJ6A Huosai Replacement Blades
Richard,
I have been thinking about a 3 blade propeller for the huosai for a long time.
I asked Alex from GT if he could make a 3 blade hub using his special blades for
the CJ 2 blade propeller or other blades, but he is working on it. I haven't
heard from him since.
I think we talked together about a MT propeller with 3 blades for the Huosai and
I showed you that there was an MT9 propeller for the Jacobs with a splined shaft.
I asked Mt if they could just change this hub to the Huosai and gave you the information
but as an individual MT did not respond.
Following our conversation you talked to MT about it and they saw this hub and
they started thinking.
It's a shame that MT is charging a lot for the first 6 propellers instead of making
them at the same price as the others, betting on the willingness of CJ owners
to buy more.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=505890#505890
Message 4
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| Subject: | Re: CJ6A Huosai Replacement Blades |
=0Ahaving flown next to a stock Yak-52 with my CJ-6 it is clear prop design
is a huge factor. =0A-----Original Message-----=0AFrom: "Richard Goode" <
richard.goode@russianaeros.com>=0ASent: Wednesday, 2 February, 2022 8:48am
=0ATo: yak-list@matronics.com=0ASubject: RE: Yak-List: Re: CJ6A Huosai Repl
richard.goode@russianaeros.com>=0A=0AHello Jacques =93 firstly I don'
t think the Housai spline is exactly the same as the Jacobs. Certainly MT t
old me that they would need to design a slightly different hub. In the real
problem is that they are so successful in selling propellers that they can
seemingly ask any price! But if I had real interest from 6/8 Housai owners
, I believe I could negotiate a better price with MT. And as far as Alex is
concerned, I'm extremely keen that he should succeed, but he simply will n
ot do a back-to-back test with his new propeller and an original Chinese pr
opeller indicating static thrust; rate of climb; speed et cetera, and witho
ut this information, I don't believe anyone will order one of his propeller
s!=0A=0A=0ARICHARD GOODE AEROBATICS=0ARhodds Farm, Lyonshall, Hereford, HR5
3LW, UK=0ATel: +44 (0)1544 340120 Fax: +44 (0)1544 340129=0Ae-mail: richar
d.goode@russianaeros.com=0Awww.russianaeros.com=0AWORLD LEADERS IN RUSSIAN
SPORTING AIRCRAFT & ENGINES=0AIn partnership with Aerometal Kft, Hungary.
=0A=0A-----Original Message-----=0AFrom: owner-yak-list-server@matronics.co
m <owner-yak-list-server@matronics.com> On Behalf Of jacques=0ASent: 02 Feb
ruary 2022 14:02=0ATo: yak-list@matronics.com=0ASubject: Yak-List: Re: CJ6A
jacquessuire@aol.com>=0A=0ARichard,=0A=0AI have been thinking about a 3 bla
de propeller for the huosai for a long time.=0A=0AI asked Alex from GT if h
e could make a 3 blade hub using his special blades for the CJ 2 blade prop
eller or other blades, but he is working on it. I haven't heard from him si
nce.=0A=0AI think we talked together about a MT propeller with 3 blades for
the Huosai and I showed you that there was an MT9 propeller for the Jacobs
with a splined shaft.=0A=0AI asked Mt if they could just change this hub t
o the Huosai and gave you the information but as an individual MT did not r
espond.=0A=0AFollowing our conversation you talked to MT about it and they
saw this hub and they started thinking.=0A=0AIt's a shame that MT is chargi
ng a lot for the first 6 propellers instead of making them at the same pric
e as the others, betting on the willingness of CJ owners to buy more.=0A=0A
=0A=0A=0ARead this topic online here:=0A=0Ahttp://forums.matronics.com/view
=============0A=0A=0A=0A=0A=0A=0A=0A
Message 5
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| Subject: | Re: CJ6A Huosai Replacement Blades |
richard.goode(at)russiana wrote:
> Hello Jacques firstly I don't think the Housai spline is exactly the same as
the Jacobs. Certainly MT told me that they would need to design a slightly different
hub.--
I know, and it is why I have asked them to built one for the Huosai as they have
one for the Jacos : same hub just machining the splined to huosai.
Very easy.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=505893#505893
Message 6
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| Subject: | Re: CJ6A Huosai Replacement Blades |
Propellor drive shafts! Appears to be a shower of mis-information on this subject.
The US standard splined prop. shafts begin with the SAE #20 (which is larger
in dia. than the Chinese variety on the Huosai engine.) and went, at least,
to the SAE #60 which took you into the 3000 HP range.
I suspect ( but don't know for sure!) that the Czech industry adopted the US standard.
The use of a flanged prop. attachment on the last production version of the M14P
was (IMHO) the mistake of the century!
From: "jacques" <jacquessuire@aol.com>
Sent: Wednesday, February 2, 2022 6:01:50 AM
Subject: Yak-List: Re: CJ6A Huosai Replacement Blades
Richard,
I have been thinking about a 3 blade propeller for the huosai for a long time.
I asked Alex from GT if he could make a 3 blade hub using his special blades for
the CJ 2 blade propeller or other blades, but he is working on it. I haven't
heard from him since.
I think we talked together about a MT propeller with 3 blades for the Huosai and
I showed you that there was an MT9 propeller for the Jacobs with a splined shaft.
I asked Mt if they could just change this hub to the Huosai and gave you the information
but as an individual MT did not respond.
Following our conversation you talked to MT about it and they saw this hub and
they started thinking.
It's a shame that MT is charging a lot for the first 6 propellers instead of making
them at the same price as the others, betting on the willingness of CJ owners
to buy more.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=505890#505890
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