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([198.162.160.133]) by mx.google.com with ESMTPS id g14sm799542rvb.2.2009.04.28.16.44.49 (version=SSLv3 cipher=RC4-MD5); Tue, 28 Apr 2009 16:44:49 -0700 (PDT) Subject: Re: [FlyRotary] Re: Mocal Oil Cooler ECD54-182 From: Todd Bartrim To: Rotary motors in aircraft In-Reply-To: References: Content-Type: multipart/related; type="multipart/alternative"; boundary="=-Ictx9ke8fewEj7Nl81N+" Date: Tue, 28 Apr 2009 16:43:10 -0700 Message-Id: <1240962190.3740.86.camel@Endurance> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 --=-Ictx9ke8fewEj7Nl81N+ Content-Type: multipart/alternative; boundary="=-k5aB9AHV4TwIPLFmOFbC" --=-k5aB9AHV4TwIPLFmOFbC Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Hi Al; I was originally thinking it was you that had one, but a quick look in the archives brought up a message from Mark that looked like an original and not a reply, so being lazy, I just gave him credit. It is as new. The seller bought them for some sort of race testing but never used them. He says he paid $830 apiece for them, so I was pretty satisfied. I was tempted to notify the list when I first found the ebay listing, but I didn't want to be bidding against any of you guys. :-P Todd C-FSTB On Tue, 2009-04-28 at 10:15 -0800, Al Gietzen wrote: > Todd; > > > > I think you’re thinking of my installation – Mark has Fluidyne (or > knockoff) unit. > > > > I installed a C43-330 (which is the largest of the C43 series) as an > add-on to my oil/air cooler. It did just what I wanted it to do; > handle about 30% of the heat load from my 20B, which reduced the oil > temps by 15-18 F. These are not really high capacity coolers; at least > relative to the rotary needs. > > > > You got a great price on an E54 dual core. Are all the fins in good > condition? They are relatively easily damaged. That 182 unit should > handle roughly the same heat load as mine – so about half the > requirement for a 2-rotor. > > > > Mike: oil/water exchangers have the advantage of being compact, but > the disadvantage of the smaller delta T from oil to cooling fluid; > and, of course ultimately the heat has to get dumped to the air, so > the coolant circuit has to have the capacity to handle it. In my case > I had excess cooling ability on the coolant, so it worked out well. > > > > Al G > > -----Original Message----- > From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] > On Behalf Of Todd Bartrim > Sent: Monday, April 27, 2009 10:57 PM > To: Rotary motors in aircraft > Subject: [FlyRotary] Mocal Oil Cooler ECD54-182 > > > > Hi Guys > Quite some while back Mark Sietle put a Mocal oil cooler in his > plane, which I was quite impressed with. Recently I began watching > ebay for one of these coolers and a few weeks ago I hit paydirt. IRC, > Mark was using the C43-330 which is a fine looking piece of > craftsmanship but are pricey little devils at $350 apiece. They are > 330 mm long and a single pass. The E54 series offer 25% greater > cooling in a comparable size, while the ECD54 series are dual core and > have double the cooling capacity as the comparable size C43 cooler, > but are prohibitively expensive at ~$800. > I managed to get mine for $275usd and it was still new, never > used. The seller had 2 of them and since I only took one there is > still another available. He indicated that he would re-list the other > cooler on ebay, but I haven't seen it yet or I'd have just posted the > listing. So if anyone is interested you can just contact him direct at > chines@pendragon-design.com . > I'm very impressed with mine as it is a very fine piece of > workmanship. It is only 182mm long but weighs in at just under 3lbs. > Attached are a few pics of it disassembled. > Thought I'd pass it along. > > Todd > C-FSTB > > --=-k5aB9AHV4TwIPLFmOFbC Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: 7bit Hi Al;
    I was originally thinking it was you that had one, but a quick look in the archives brought up a message from Mark that looked like an original and not a reply, so being lazy, I just gave him credit.
    It is as new. The seller bought them for some sort of race testing but never used them. He says he paid $830 apiece for them, so I was pretty satisfied. I was tempted to notify the list when I first found the ebay listing, but I didn't want to be bidding against any of you guys. :-P

Todd
C-FSTB

On Tue, 2009-04-28 at 10:15 -0800, Al Gietzen wrote:
Todd;

 

I think you’re thinking of my installation – Mark has Fluidyne (or knockoff) unit.

 

I installed a C43-330 (which is the largest of the C43 series) as an add-on to my oil/air cooler.  It did just what I wanted it to do; handle about 30% of the heat load from my 20B, which reduced the oil temps by 15-18 F. These are not really high capacity coolers; at least relative to the rotary needs.

 

You got a great price on an E54 dual core.  Are all the fins in good condition?  They are relatively easily damaged.  That 182 unit should handle roughly the same heat load as mine – so about half the requirement for a 2-rotor.

 

Mike: oil/water exchangers have the advantage of being compact, but the disadvantage of the smaller delta T from oil to cooling fluid; and, of course ultimately the heat has to get dumped to the air, so the coolant circuit has to have the capacity to handle it.  In my case I had excess cooling ability on the coolant, so it worked out well.

 

Al G

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Todd Bartrim
Sent: Monday, April 27, 2009 10:57 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Mocal Oil Cooler ECD54-182

 

Hi Guys
    Quite some while back Mark Sietle put a Mocal oil cooler in his plane, which I was quite impressed with. Recently I began watching ebay for one of these coolers and a few weeks ago I hit paydirt. IRC, Mark was using the C43-330 which is a fine looking piece of craftsmanship but are pricey little devils at $350 apiece. They are 330 mm long and a single pass. The E54 series offer 25% greater cooling in a comparable size, while the ECD54 series are dual core and have double the cooling capacity as the comparable size C43 cooler, but are prohibitively expensive at ~$800.
    I managed to get mine for $275usd and it was still new, never used. The seller had 2 of them and since I only took one there is still another available. He indicated that he would re-list the other cooler on ebay, but I haven't seen it yet or I'd have just posted the listing. So if anyone is interested you can just contact him direct at chines@pendragon-design.com .
    I'm very impressed with mine as it is a very fine piece of workmanship. It is only 182mm long but weighs in at just under 3lbs. Attached are a few pics of it disassembled.
Thought I'd pass it along.

Todd
C-FSTB


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