Today's Message Index:
----------------------
1. 06:09 AM - Re: smoke nozzles (Yak Driver)
2. 08:09 AM - Re: smoke nozzles (Richard Goode)
3. 11:08 AM - Re: smoke nozzles (Mozam)
4. 01:20 PM - John Crothers (Joe Howse)
5. 01:34 PM - Re: John Crothers (vectorwarbirds@AOL.COM)
6. 03:04 PM - Re: smoke nozzles (Etienne Verhellen)
7. 04:09 PM - Re: John Crothers (Joe Howse)
8. 07:40 PM - Re: smoke nozzles (Chris Wise)
Message 1
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| Subject: | Re: smoke nozzles |
Richard,=0AWhich pump model do you-recommend from Jabsco.- The Junior P
uppy has a flow rate of about 3.4 gallons per minute, would that be too muc
h?=0AThanks,=0AMike =0A=0A=0A=0A=0A________________________________=0AFrom:
Richard Goode <richard.goode@russianaeros.com>=0ATo: yak-list@matronics.co
m=0ASent: Saturday, January 24, 2009 1:02:17 AM=0ASubject: Re: Yak-List: sm
oke nozzles=0A=0A=0AIn-my experience the best place is as high as possibl
e up the final tail-pipe.=0AA lot is said about the type of nozzle,but if i
t goes in as a spray,that is fine.=0AFor decent smoke-you need about 4/5
litres a minute-ie a bit more than a US gal.=0AYou need a good high presure
pump-if you are not too concerned about weight,the best are probably the J
absco pumps,originally designed for boat bilge-pumps.They are cheap and rel
iable.If concerned by weight use automotive fuel-injection pumps-but these
are 12 volts.=0AFinally you need a solenoid valve in the circuit to shut th
e flow,and prevent the oil leaking through when not needed.=0ARichard Goode
Aerobatics =0ARhodds Farm =0ALyonshall =0AHereford =0AHR5 3LW =0AUnited Ki
ngdom =0A=0ATel:-- +44 (0) 1544 340120 =0AFax:- +44 (0) 1544 340129
=0Awww.russianaeros.com=0AI=A2m currently in Sri Lanka but this Mail is wor
king,and my local phone is +94 779 132 160.=0A=0A-=0A=0A----- Original Me
ssage ----- =0AFrom: Chris Wise =0ATo: yak-list@matronics.com =0ASent: Satu
rday, January 24, 2009 6:21 AM=0ASubject: Yak-List: smoke nozzles=0A=0AG'Da
y All,=0A-=0ACan some of you guys who have a good smoke system on a 52 an
d 18T please help sort a few problems out.=0A-=0AWhat is the best positio
n on the exhausts to install the nozzles for max effect?=0Ai.e.-How far f
rom the end (outlet) of the exhaust?=0A-=0AI would imagine that 2 nozzles
, one on each pipe, would create a-better smoke pattern.=0A-=0AThanks a
nd cheers,=0AChris.=0A=0A=0Ahref="http://www.matronics.com/Navigator?Yak-
List">http://www.matronics.com/Navigator?Yak-List=0Ahref="http://forums.m
atronics.com">http://forums.matronics.com=0Ahref="http://www.matronics.co
m/contribution">http://www.matronics.com/c=0A=0A=0A------------------------
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=0Adangerous content by the Invictawiz MailScanner =0Aand is believed to b
e clean. =0Ahttp://www.invictawiz.com/ =0A---------------------------------
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Message 2
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| Subject: | Re: smoke nozzles |
The figure of 3.4 galls/min is with unimpeded flow.You do need a form of
jet,so the oil is easily vapourised in the exhaust and constricting at
the jet is the way to keep down to the figure of 4/5 litres/min.
What you do not want is a low powered pump which will deliver that same
volume,but unrestricted,so it just dribbles into the exhaust.So you need
the 3+ galls/min capacity which is then throttled back as it pushes a
jet of oil into the exhaust.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
I'm currently in Sri Lanka but this Mail is working,and my local phone
is +94 779 132 160.
----- Original Message -----
From: Yak Driver
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 7:38 PM
Subject: Re: Yak-List: smoke nozzles
Richard,
Which pump model do you recommend from Jabsco. The Junior Puppy has a
flow rate of about 3.4 gallons per minute, would that be too much?
Thanks,
Mike
-------------------------------------------------------------------------
-----
From: Richard Goode <richard.goode@russianaeros.com>
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 1:02:17 AM
Subject: Re: Yak-List: smoke nozzles
In my experience the best place is as high as possible up the final
tail-pipe.
A lot is said about the type of nozzle,but if it goes in as a
spray,that is fine.
For decent smoke you need about 4/5 litres a minute-ie a bit more than
a US gal.
You need a good high presure pump-if you are not too concerned about
weight,the best are probably the Jabsco pumps,originally designed for
boat bilge-pumps.They are cheap and reliable.If concerned by weight use
automotive fuel-injection pumps-but these are 12 volts.
Finally you need a solenoid valve in the circuit to shut the flow,and
prevent the oil leaking through when not needed.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
I=A2m currently in Sri Lanka but this Mail is working,and my local
phone is +94 779 132 160.
----- Original Message -----
From: Chris Wise
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 6:21 AM
Subject: Yak-List: smoke nozzles
G'Day All,
Can some of you guys who have a good smoke system on a 52 and 18T
please help sort a few problems out.
What is the best position on the exhausts to install the nozzles for
max effect?
i.e. How far from the end (outlet) of the exhaust?
I would imagine that 2 nozzles, one on each pipe, would create a
better smoke pattern.
Thanks and cheers,
Chris.
href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics
.com/Navigator?Yak-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
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Message 3
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| Subject: | Re: smoke nozzles |
FWIW, I tried numerous home-made nozzles that just didn't do a good job and was
amazed at how much better a nozzle from SmokingAirplanes.com worked. I don't
use their whole system, just the injector nozzle they sell.
Now I have great smoke for our formation acro show using just one nozzle at a flow
rate of .75 gal/min (3 litres/min). The other wingman in our show has two
nozzles (non-Smoking Airplanes, I think) and you cannot tell the difference in
smoke as we fly together.
Put the single nozzle on the left side exhaust (#4 cylinder side) and you will
get LOTS less smoke in the cockpit during aerobatics than with a right side nozzle.
With any AOA on the Yak the right side smoke goes over the wing while the
left side flows more under the wing. I assume due to propwash. However, at
slow speeds (hammerheads, spins, snaprolls, etc) you'll still get smoke over
the left wing.
Cheers,
Steve Dalton
Left wing, Yak Attack
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=226559#226559
Message 4
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Does anyone have current phone number for John Crothers
Joe Howse
Message 5
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| Subject: | Re: John Crothers |
Joe its 928-458-9737
GBunn
-----Original Message-----
From: Joe Howse <joeh@shaw.ca>
Sent: Sat, 24 Jan 2009 2:19 pm
Subject: Yak-List: John Crothers
Does anyone have current phone number for John
Crothers
?
Joe Howse
J
Message 6
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| Subject: | Re: smoke nozzles |
A few (!!!) pics of a smoking 52 with 2 nozzles at 6 liters/min. :
http://forums.matronics.com/download.php?id=8502
http://forums.matronics.com/download.php?id=8506
http://forums.matronics.com/download.php?id=8507
http://www.aviacioncr.net/foto.php?id=17925
http://www.irishairpics.com/database/photo/1029467/
http://www.airport-data.com/aircraft/photo/129004.html
http://www.matronics.com/photoshare/tis1_verod@scarlet.be.11.12.2008/Break.jpg
http://www.matronics.com/photoshare/tis1_verod@scarlet.be.11.12.2008/Line_Astern_-_Cerfontaine_2008.jpg
http://www.matronics.com/photoshare/tis1_verod@scarlet.be.11.12.2008/REJ_428_2823.jpg
http://www.aerobatics.org.uk/photos/displayimage.php?pos=-764
http://www.aerobatics.org.uk/photos/displayimage.php?pos=-756
Problem was some smoke in the cabin during certain figures ...
so exhaust extensions need to be fitted.
If you like "showing off", smoke is a must !!!! ;-))
http://www.airshowactionphotography.com/san07/page1.html
http://www.yak52.fr/topic11/Galeriejanie.htm
But ... who says you need to install a smoke system to produce smoke.
Just starting a good old M-14P can sometimes do the trick :
http://www.airliners.net/open.file/768799/L/
--------
http://www.flyforfun.be/?q=yaks
http://www.aerobatics.org.uk/photos/displayimage.php?pos=-723
http://www.buysellaviation.com/index.php?page=out&id=477
http://www.yakkes.com/about.crew.show.php?crewmember=etienne
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=226590#226590
Message 7
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| Subject: | Re: John Crothers |
Thanks Gary
----- Original Message -----
From: vectorwarbirds@aol.com
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 1:29 PM
Subject: Re: Yak-List: John Crothers
Joe its 928-458-9737
GBunn
-----Original Message-----
From: Joe Howse <joeh@shaw.ca>
To: yak-list@matronics.com
Sent: Sat, 24 Jan 2009 2:19 pm
Subject: Yak-List: John Crothers
Does anyone have current phone number for John Crothers
Joe Howse
J
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Message 8
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| Subject: | Re: smoke nozzles |
G'day Richard,
Thanks for that.
I have had a look at the Jabsco site.
Do you know the model No of the Jabsco Bilge Pump?
Thanks and Kind regards,
Chris.
----- Original Message -----
From: Richard Goode
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 5:32 PM
Subject: Re: Yak-List: smoke nozzles
In my experience the best place is as high as possible up the final
tail-pipe.
A lot is said about the type of nozzle,but if it goes in as a
spray,that is fine.
For decent smoke you need about 4/5 litres a minute-ie a bit more than
a US gal.
You need a good high presure pump-if you are not too concerned about
weight,the best are probably the Jabsco pumps,originally designed for
boat bilge-pumps.They are cheap and reliable.If concerned by weight use
automotive fuel-injection pumps-but these are 12 volts.
Finally you need a solenoid valve in the circuit to shut the flow,and
prevent the oil leaking through when not needed.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
I'm currently in Sri Lanka but this Mail is working,and my local phone
is +94 779 132 160.
----- Original Message -----
From: Chris Wise
To: yak-list@matronics.com
Sent: Saturday, January 24, 2009 6:21 AM
Subject: Yak-List: smoke nozzles
G'Day All,
Can some of you guys who have a good smoke system on a 52 and 18T
please help sort a few problems out.
What is the best position on the exhausts to install the nozzles for
max effect?
i.e. How far from the end (outlet) of the exhaust?
I would imagine that 2 nozzles, one on each pipe, would create a
better smoke pattern.
Thanks and cheers,
Chris.
href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics
.com/Navigator?Yak-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
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