<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Sir Patrick</p><p class=MsoNormal>Please peruse the web site at: <a href="https://daviescraig.com.au/blog/straight-vs-curved-fan-blades-dispelling-the-myth">https://daviescraig.com.au/blog/straight-vs-curved-fan-blades-dispelling-the-myth</a></p><p class=MsoNormal>They must have the best info on the globe since they are located down under! <span style='font-family:"Segoe UI Emoji",sans-serif'>😊</span></p><p class=MsoNormal>Perry</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:p_cquinn@tpg.com.au">Patrick & Caroline Quinn</a><br><b>Sent: </b>Friday, January 24, 2020 4:27 PM<br><b>To: </b><a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a><br><b>Subject: </b>[Healeys] Curved or Straight</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Hello<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Once again I am about to investigate the engine cooling of the Healey Duncan. Nothing highly unusual with it in that it’s a Riley 2.4 litre engine and unpressurised.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>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’s simply not coping with the warmer Australian climate.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>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.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>The question that’s 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’s what they make.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Anyone undertaken any research as to what’s the most efficient?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Hoo Roo<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Patrick Quinn<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Blue Mountains, Australia<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU style='font-family:"Times New Roman",serif'>Where it’s raining again - wonderful<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>