[Healeys] Fan
warthodson at aol.com
warthodson at aol.com
Thu Jan 1 08:53:14 MST 2015
Roger,
I have had the same six bladed, riveted fan on my car since approx. 2005. I purchased it from one of the major parts suppliers. I do not recall which one. It is my understanding that this fan is a reproduction of the original "hot climate" optional fan. I average over 5000 miles/year on the car. Because of the stories about fan blade failure, I annually check my fan for cracks. So far I have found none. One thing that has not been mentioned is failure due to high RPM. If you regularly red line your engine I would guess that you increase your odds of a fan failure!
Gary Hodson
-----Original Message-----
From: Roger Grace roggrace at telus.net
Steve,
Thank you - you have good history and records.
I think that my fan is different to the construction you describe ??; it has
a one piece metal spider and each blade is riveted with 5 rivets to it for
about 1/2 of the length of the blade.
See enclosed pix. and hopefully is not the Moss/China one with all the
problems. ?? The blade spacing is symmetrical so it is not the Texas cooler
one.
Your input appreciated.
I am of the opinion that we really only need the help of a fan in slow
traffic and particularly after the engine has been working (increased
losses) after a run at some speed and the oil is really hot. Ideally I would
like to remove it for quietness and to regain a few HP when cruising and
replace with an electric one; however this seems to be a tight fiddly
conversion ...
Anyone with experience doing this...??
rg
-----Original Message-----
Roger, at the root of the blades where they transition to the hub there are
semi-circular cutouts. The blades flex and the fatigue cracks start at
those cutouts. The first thing to notice would be paint flaking off in that
area.
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