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Thank you Gary
=20
I see that Spal makes both straight and curved bladed fans.
=20
Another thing I need to consider is the 1948 Lucas electrical circuitry =
and whether it will cope with anything else.
=20
Hoo Roo
=20
Patrick Quinn
=20
From: warthodson@aol.com [mailto:warthodson@aol.com]=20
Sent: Saturday, 25 January 2020 9:00 AM
To: p_cquinn@tpg.com.au; healeys@autox.team.net
Subject: Re: [Healeys] Curved or Straight
=20
There are many things that affect the selection of the blade design =
besides efficiency. Such as, strength, cost of manufacturing, noise =
generation, desired CFM at a specific resistance, (pressure drop), =
marketability to name a few. =20
=20
I have a "Spal" brand of fan. Because it appeared to be high quality, =
was thin enough to fit in front of my radiator & produced a relatively =
high CFM at about .25" pressure drop.
Gary Hodson
-----Original Message-----
From: Patrick & Caroline Quinn <p_cquinn@tpg.com.au>
To: healeys <healeys@autox.team.net>
Sent: Fri, Jan 24, 2020 3:26 pm
Subject: [Healeys] Curved or Straight
Hello
=20
Once again I am about to investigate the engine cooling of the Healey =
Duncan. Nothing highly unusual with it in that it=E2=80=99s a Riley 2.4 =
litre engine and unpressurised.
=20
Part of the process is to replace the existing Kenlowe electric fan with =
a more modern unit. The Kenlow sits over an inch from the radiator =
surface while a modern unit should only be a few millimetres. Of course =
it was never fitted with an electric fan when new, but it=E2=80=99s =
simply not coping with the warmer Australian climate.
=20
I will be doing all sorts of wonderful things like removing the cylinder =
head to replace the cooling tube between number two and three combustion =
chamber, refurbishing the radiator, rodding the block etc etc.
=20
The question that=E2=80=99s on my mind concerns whether to install an =
electric fan with curved or straight blades. Australian manufacturer =
Davies Craig says that straight blades are best, but they would say that =
as that=E2=80=99s what they make.
=20
Anyone undertaken any research as to what=E2=80=99s the most efficient?
=20
Hoo Roo
=20
Patrick Quinn
Blue Mountains, Australia
Where it=E2=80=99s raining again - wonderful
_______________________________________________
Archive: http://www.team.net/pipermail/healeys =
<http://www.team.net/pipermail/healeys> http://autox.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt'>Thank you Gary<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>I see that Spal makes =
both straight and curved bladed fans.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>Another thing I need =
to consider is the 1948 Lucas electrical circuitry and whether it will =
cope with anything else.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>Hoo =
Roo<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>Patrick =
Quinn<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt'><o:p> </o:p></span></p><p =
class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
warthodson@aol.com [mailto:warthodson@aol.com] <br><b>Sent:</b> =
Saturday, 25 January 2020 9:00 AM<br><b>To:</b> p_cquinn@tpg.com.au; =
healeys@autox.team.net<br><b>Subject:</b> Re: [Healeys] Curved or =
Straight<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>T=
here are many things that affect the selection of the blade design =
besides efficiency. Such as, strength, cost of manufacturing, noise =
generation, desired CFM at a specific resistance, (pressure drop), =
marketability to name a few. <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p> </o:p></span></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>I=
have a "Spal" brand of fan. Because it appeared to be high =
quality, was thin enough to fit in front of my radiator & produced a =
relatively high CFM at about .25" pressure =
drop.<o:p></o:p></span></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>G=
ary Hodson<o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-=
----Original Message-----<br>From: Patrick & Caroline Quinn =
<p_cquinn@tpg.com.au><br>To: healeys =
<healeys@autox.team.net><br>Sent: Fri, Jan 24, 2020 3:26 =
pm<br>Subject: [Healeys] Curved or Straight<o:p></o:p></span></p><div =
id=3Dyiv4865601795><div><div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Hello</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Once again I am about to =
investigate the engine cooling of the Healey Duncan. Nothing highly =
unusual with it in that it=E2=80=99s a Riley 2.4 litre engine and =
unpressurised.</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Part of the process is to replace =
the existing Kenlowe electric fan with a more modern unit. The Kenlow =
sits over an inch from the radiator surface while a modern unit should =
only be a few millimetres. Of course it was never fitted with an =
electric fan when new, but it=E2=80=99s simply not coping with the =
warmer Australian climate.</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>I will be doing all sorts of =
wonderful things like removing the cylinder head to replace the cooling =
tube between number two and three combustion chamber, refurbishing the =
radiator, rodding the block etc etc.</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>The question that=E2=80=99s on my =
mind concerns whether to install an electric fan with curved or straight =
blades. Australian manufacturer Davies Craig says that straight blades =
are best, but they would say that as that=E2=80=99s what they =
make.</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Anyone undertaken any research as =
to what=E2=80=99s the most efficient?</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Hoo Roo</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'> </span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Patrick Quinn</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Blue Mountains, =
Australia</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;color:black'>Where it=E2=80=99s raining again =
- wonderful</span><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
o:p></o:p></span></p></div></div></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>_=
______________________________________________<br>Support Team.Net <a =
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