---------------------------------------------------------- JabiruEngine-List Digest Archive --- Total Messages Posted Tue 07/26/11: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 02:37 PM - Re: Liquid Cooled Heads... (Don Honabach) 2. 02:56 PM - Re: Liquid Cooled Heads... (Martin Hone) ________________________________ Message 1 _____________________________________ Time: 02:37:21 PM PST US From: Don Honabach Subject: RE: JabiruEngine-List: Liquid Cooled Heads... 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From: Martin Hone Don, I am really impressed with the AFR gauge. Whilst it doesn't monitor each individual cylinder, it does tell you what the engine is doing mixture-wise .. Unless you have a CHT and EGT probe on *every* cylinder, you are better off with the AFR and you get immediate response to mixture changes - ideal with a mixture controlled carb ! Marty On Wed, Jul 27, 2011 at 7:32 AM, Don Honabach w rote: > Martin,**** > > ** ** > > Thanks for all the great advice! Didn=99t even know about the Air Fuel Ratio > Meters =93 did a quick search =93 those are cool and I do lov e my gadgets ! > **** > > ** ** > > Thanks!**** > > Don**** > > ** ** > > *From:* owner-jabiruengine-list-server@matronics.com [mailto: > owner-jabiruengine-list-server@matronics.com] *On Behalf Of *Martin Hone > *Sent:* Friday, July 22, 2011 2:38 PM > *To:* jabiruengine-list@matronics.com > *Subject:* Re: JabiruEngine-List: Liquid Cooled Heads...**** > > ** ** > > Don,**** > > ** ** > > You have a few options regarding a mixture adjusting carb - Aerocarb, > Ellison TB and Rotec TB. I have used both the Aerocarb and the Rotec TBI , > and the Rotec unit is the more sophisticated. If you are running unleade d > fuel, you might also like to consider adding a wide-band Air Fuel Ratio > meter. Makes getting the correct mixture a breeze.**** > > Also permits running LOP if you are interested in another tin of > worms.......**** > > ** ** > > Cheers**** > > ** ** > > Martin**** > > On Sat, Jul 23, 2011 at 4:23 AM, Don Honabach > wrote:**** > > For what it worth, I have the LED setup on my plane and love it and was > pretty much essential after seeing the AMP draw of traditional landing > light(s), strobes, etc. **** > > **** > > Just thinking out loud **** > > **** > > One of the things I=99ve been tossing around in the back of my head is to > switch out the bing carb. I tend to like to fly at the higher power ratin gs > and get taxed heavily with excessive fuel burn rates using the bing carb. As > such, going to a more traditional carb where I can adjust the mixture mig ht > make sense and would solve the high burn rate issue (assumption here?), as > would probably messing with the bing needles if I stuck with a bing carb. In > either case though, if I do that, chances are my temps will climb so it i s a > bit of a balancing act for sure. I=99m thinking that the LC heads w ould allow > me to have the best of both worlds (low fuel burn rates, high power > settings, low temps) even on a hot day sort of thing**** > > **** > > Don**** > > **** > > P.S. Todd, where are you based in AZ? Any chance over at P19? I thought I > saw a Titan there the other day. If so, I=99m the red/white Zodie b y the fuel > pumps.**** > > **** > > *From:* owner-jabiruengine-list-server@matronics.com [mailto: > owner-jabiruengine-list-server@matronics.com] *On Behalf Of *Mark > Hubelbank > *Sent:* Friday, July 22, 2011 5:41 AM > *To:* jabiruengine-list@matronics.com > *Subject:* Re: JabiruEngine-List: Liquid Cooled Heads...**** > > **** > > Todd, > For the record, I replaced all the strobes and position lights with L ED > types and reduced the current demand significantly, Now all the lights > together are an average of about 1 amp. The Jabiru does not have much mar gin > but with the LED lights, I believe the load of the water pump could be > tolerated. > > On 07/22/2011 12:24 AM, Todd Bristol wrote: **** > > I am also in Phoenix and have a Hyd 3300 on a Titan Tornado and am > concerned about High Temps and Head Wear. The water cooled heads look go od > but are a bit pricey. I am also concerned that the 20 amp Alternator wil l > not put out enough current to run the water pump as I already have low > amperage issues. Does anyone know what our original heads are worth in > attempt to sell them to offset the cost of the water cooled heads?**** > > Todd Bristol**** > > Great Entertainment isn't expensive... It's Priceless!**** > > Interactive Entertainment Events, DJs and Game Shows**** > > Mesa, Arizona**** > > 480-755-4200**** > > www.djs4u.com > www.gameshowsamerica.com > www.condopenasco.com**** > > **** > > **** > > > --- On *Thu, 7/21/11, Martin Hone > * wrote:**** > > > From: Martin Hone > Subject: Re: JabiruEngine-List: Liquid Cooled Heads... > To: jabiruengine-list@matronics.com > Date: Thursday, July 21, 2011, 4:11 PM**** > > Hi Don, **** > > **** > > I have just completed fitting a set of the Rotec Liquid Cooled Heads on a > J230 that had chronic overheating issues, such that it had to have two he ads > reconditioned at less than 100 hrs from new, and again at 200 hrs. I mad e > some mods to the carb and induction plenum to try and get better > distribution, but the LC heads have made a huge difference.**** > > I have even gone down 2 sizes in main jet (#245) and temps are , if > anything, a bit on the cool side. Very straightforward to fit and sort o ut > the plumbing. Added 16 lbs to the weight, but am looking at ditching the > muffler and running a pair of 3-1 collectors, which should get about 5-6 lbs > off.**** > > **** > > We have tried everything else, and it has worked for us.**** > > **** > > Martin**** > > On Fri, Jul 22, 2011 at 1:52 AM, Don Honabach > > wrote:**** > > Saw an ad for this product today in KitPlanes =93 liquid cooled hea ds for the > Jabiru Engines.**** > > **** > > http://www.rotecaerosport.com/product-info/lch/**** > > **** > > I rarely have cooling problems on my 3300A. Evening though I=99m in Arizona, > worst case is if the engine gets heat soaked on the ground I have to baby > the plane to altitude to avoid going over 350F CHTs during our hot summer > days.**** > > **** > > That said, I know others do and this seems like an interesting product. I f > nothing else, I would feel better about =98de-stressing the engine =99 by running > it cooler and distributing the heat load evenly which is impossible to do > with the air cooled/carb setup. **** > > **** > > Pete, any thoughts on this? **** > > **** > > Thanks! **** > > **** > > Don Honabach **** > > Tempe, AZ **** > > Zodiac 601HDS =93 3300A (~200 Hours) **** > > **** > > **** > > * ***** > > * ***** > > *ist" target="_blank">http://www.matronics.com/Navigator?JabiruEngine-L ist***** > > *tp://forums.matronics.com***** > > *_blank">http://www.matronics.com/contribution***** > > * ***** > > **** > > * ***** > > * ***** > > *ist" rel=nofollow target=_blank>http://www.matronics.com/Navigator?J abiruEngine-List***** > > *et=_blank>http://forums.matronics.com***** > > *llow target=_blank>http://www.matronics.com/contribution***** > > * ***** > > * ***** > > * ***** > > ** ** > > -- **** > > Mark Hubelbank**** > > NorthEast Monitoring**** > > 2 Clock Tower Place**** > > Suite 555**** > > Maynard, MA, 01754 - USA**** > > mhubel@nemon.com**** > > 978-443-3955**** > > ** ** > > * * > > * * > ============* > > ============* > > ============* > > ============* > > * * > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message jabiruengine-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/JabiruEngine-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/jabiruengine-list Browse Digests http://www.matronics.com/digest/jabiruengine-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.