---------------------------------------------------------- Kitfox-List Digest Archive --- Total Messages Posted Sun 01/17/10: 22 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 12:51 AM - How to get off list??? (David Dawe) 2. 04:27 AM - Re: How to get off list??? (Paul Franz) 3. 04:49 AM - Kitfox Skis (dave) 4. 06:58 AM - Re: Static Ports (WurlyBird) 5. 08:57 AM - Re: Kiev Prop (FlyboyTR) 6. 09:01 AM - Northstar F210 Fuel flow gauge (catz631@aol.com) 7. 09:14 AM - Re: Re: Kiev Prop (W Duke) 8. 09:17 AM - Re: Corrosion Protection for Flaperons? (FlyboyTR) 9. 09:23 AM - Re: Kiev Prop (FlyboyTR) 10. 12:14 PM - Re: Northstar F210 Fuel flow gauge (akflyer) 11. 01:02 PM - Re: Ethanol RXEthanol (Noel Loveys) 12. 01:03 PM - Re: Static Ports (Patrick Reilly) 13. 02:59 PM - Re: Corrosion Protection for Flaperons? (jimcarriere) 14. 03:10 PM - Re: Re: Corrosion Protection for Flaperons? (Lynn Matteson) 15. 03:17 PM - Re: Corrosion Protection for Flaperons? (FlyboyTR) 16. 03:19 PM - Re: Corrosion Protection for Flaperons? (FlyboyTR) 17. 04:09 PM - Re: Re: Corrosion Protection for Flaperons? (Don Hudgeon) 18. 04:22 PM - Re: Static Ports (dave) 19. 05:01 PM - Re: Corrosion Protection for Flaperons? (Tom Jones) 20. 06:29 PM - Re: Re: Corrosion Protection for Flaperons? (Don Hudgeon) 21. 06:35 PM - Re: Re: Corrosion Protection for Flaperons? (Lynn Matteson) 22. 08:38 PM - Re: Northstar F210 Fuel flow gauge (Paul Franz - Merlin GT) ________________________________ Message 1 _____________________________________ Time: 12:51:00 AM PST US From: David Dawe Subject: Kitfox-List: How to get off list??? details please From: emaproducts@aol.com Subject: Kitfox-List: Static Ports Static ports I have a KitFox drawing showing correct location for the Static port on the KitFox=2C don't remember just what version it is=2C but if person wanting info will write=2C I will dig it out! If you don't have the static correct your airspeed can be up to 10 mph off =2C had one customer whose airspeed wouldn't get below 80 mph=2C finally fo und just a slight oil can in front of the static port causing a low pressur e area over the area of the static port. This was on a Zenith 601 about 10 years ago. plane has over 600 hours on it now=2C still flying great. Elbie Mendenhall EM Aviation=2CLLC www.riteangle.com Time: 09:23:50 AM PST US Subject: Kitfox-List: Re: Airspeed Indicator reading low=2C From: "dave" _________________________________________________________________ Reinvent how you stay in touch with the new Windows Live Messenger. http://go.microsoft.com/?linkid=9706116 ________________________________ Message 2 _____________________________________ Time: 04:27:07 AM PST US Subject: Re: Kitfox-List: How to get off list??? From: "Paul Franz" On Sun, January 17, 2010 12:18 am, David Dawe wrote: > > > details please scroll down this e-mail. instructions are posted at the bottom of every list mail sent. -- Paul Franz 425.440.9505 (O) 425.241.1618 (C) One of the lessons of history is that nothing is often a good thing to do and always a clever thing to say. -- Will Durant ________________________________ Message 3 _____________________________________ Time: 04:49:18 AM PST US Subject: Kitfox-List: Kitfox Skis From: "dave" http://rotaxaircraft.com/forum/viewtopic.php?f=27&t=167 -------- Rotax Dealer, Ontario Canada http://www.cfisher.com/ Awesome *New Forum * http://rotaxaircraft.com/forum/ Realtime Kitfox movies to separate the internet chatter from the truth http://www.youtube.com/profile_videos?user=kitfoxflyer Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281884#281884 ________________________________ Message 4 _____________________________________ Time: 06:58:51 AM PST US Subject: Kitfox-List: Re: Static Ports From: "WurlyBird" Interested. I have actually drilled out some large machine screws and made vanes and purchased all the plumbing, I just never installed the darn things. My ASI seems pretty accurate at speeds below 60 but at 80 mph it indicates 95 [Shocked] -------- James Kitfox 3 / 582 / GSC prop The ink is still drying on my new certificate Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281893#281893 ________________________________ Message 5 _____________________________________ Time: 08:57:30 AM PST US Subject: Kitfox-List: Re: Kiev Prop From: "FlyboyTR" Dick, I'm not sure if it's relevant or not...but as an FYI. One of the guys at our airport flys a Thundergull with a HKS engine and Kiev prop. He developed a vibration but was never able to find the problem. Two weeks ago while he had the prop and prop-spacer off, I was looking at his parts and noticed the prop-spacer had a large diagonal crack in it. It went almost all the way through the spacer. You could actually pull on each side and make the crack larger...wasn't much left holding it together! Kiev is shipping him a new spacer from Germany (I believe). Hope all is well! My Vixen is back together and should be ready to fly again this week. Travis :D -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240, Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281919#281919 ________________________________ Message 6 _____________________________________ Time: 09:01:21 AM PST US From: catz631@aol.com Subject: Kitfox-List: Northstar F210 Fuel flow gauge Well, I have had it with this unit. The transducer has failed again and it is less than 2 months old and less than 8 hrs ! My first one lasted almost a year. This unit is coming out of my panel and a plug installed in its place until I find something nice to put in that hole. I removed the transducer to see what the problem was. The impeller is stuck and I could not get it to move with compressed air or Kroil. I had thought seriously of the the method of getting my prior transducer to turn (a 5 LB sledge hammer) but decided otherwise. In any case, this piece of c--p is free to anyone that wants it, just pay shipping to my PayPal account. Yes, I did install it correctly in the vertical position, right above my gascolator on the firewall. It was a beautiful installation. Anyone know of a nice instrument of about the same size (2 inch) that gives OAT, flight time,etc. I would then be able to remove some unsightly stuff I have stuck to my panel. Dick Maddux Fox 4 Milton,Fl ________________________________ Message 7 _____________________________________ Time: 09:14:26 AM PST US From: W Duke Subject: Re: Kitfox-List: Re: Kiev Prop Travis, - What did you decide to do about your alternator/coupler.- So far the lighter B and C alternator- I installed is working fine. Maxwell Duke =0AKitfox S6/TD/IO240 =0AMaule M7 235C For Sale =0ADublin, GA --- On Sun, 1/17/10, FlyboyTR wrote: From: FlyboyTR Subject: Kitfox-List: Re: Kiev Prop Dick, I'm not sure if it's relevant or not...but as an FYI.- One of the guys at our airport flys a Thundergull with a HKS engine and Kiev prop.- He deve loped a vibration but was never able to find the problem.- Two weeks ago while he had the prop and prop-spacer off, I was looking at his parts and n oticed the prop-spacer had a large diagonal crack in it.- It went almost all the way through the spacer.- You could actually pull on each side and make the crack larger...wasn't much left holding it together! Kiev is shipping him a new spacer from Germany (I believe). Hope all is well!- My Vixen is back together and should be ready to fly a gain this week. Travis---:D -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240,- Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281919#281919 le, List Admin. =0A=0A=0A ________________________________ Message 8 _____________________________________ Time: 09:17:26 AM PST US Subject: Kitfox-List: Re: Corrosion Protection for Flaperons? From: "FlyboyTR" OK. I ended up using Corrosion-X. After pulling the builders log to determine how the flaperons are constructed...I realized there were foam ribs every 12 inches and apparently sealed to the point that nothing would flow from section to section. I drilled a 1/8" hole in each cavity on the bottom of the flaperon. I then sprayed Corrosion-X into each cavity and closed the hole with an aluminum rivet. At least I know most surfaces should be covered. Travis :D -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240, Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281927#281927 ________________________________ Message 9 _____________________________________ Time: 09:23:29 AM PST US Subject: Kitfox-List: Re: Kiev Prop From: "FlyboyTR" I installed a rebuilt coupler. At max capacity I'm running 37 amps. So my stock 60 amp alternator really isn't working all that hard. Couldn't see purchasing a different alternator and it still requires the use of the poorly designed and expensive Continental coupling. I am, however, glad that your new B&C alternator is working out! :D Take care!... Mike,...sorry for hijacking your prop thread! [Embarassed] Travis :D -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240, Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281930#281930 ________________________________ Message 10 ____________________________________ Time: 12:14:22 PM PST US Subject: Kitfox-List: Re: Northstar F210 Fuel flow gauge From: "akflyer" I wonder if you are getting it hot if it is on the front side of the firewall? Or gunk out of the tank getting into it? Do you have the filter just before the transducer? Just wondering cause I have several of them installed on my stuff and have never had a glitch, but mine is behind the seat in the plane just under the header tank. -------- DO NOT ARCHIVE Leonard Perry aka SNAKE Soldotna AK Avid "C" / Mk IV 582 (100 hrs and counting on the rebuild) IVO IFA Full Lotus 1450 #1 snake oil salesman since 1-22-2009 I would rather die trying to live, than to live trying not to die.... Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281956#281956 ________________________________ Message 11 ____________________________________ Time: 01:02:35 PM PST US From: "Noel Loveys" Subject: RE: Kitfox-List: Ethanol RXEthanol Any natural rubber in your system will be susceptible to being eaten by ethanol. I think it is butyrate rubbers that are totally impervious to it's effects. Unfortunately I know of no butyrate that can be sloshed in a tank and give 100% protection. The slightest crack in the sloshed covering can lead to separation of the sloshing compound inside your tanks... another real mess. If you have a gascolator properly installed that is the best place to drain the tanks. Flight planning should leave you with a couple of gallons of fuel when you get back to the hangar. Noel From: owner-kitfox-list-server@matronics.com [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of catz631@aol.com Sent: January 14, 2010 11:33 AM Subject: Re: Kitfox-List: Ethanol RXEthanol As many of you know, I have a British car hobby and own a couple of them. Ethanol is a major problem for stored older cars. It does bad things to tanks, fuel pumps, hoses,etc . As a result, many articles have come out on how to deal with this stuff,including products to help stabilize it before it goes into phase separation. I read an excellent article called "The Ethanol Issue" in my British Motoring magazine. At the end of the article it said to check out the Moss tech video on Dealing With Ethanol atmossmotors.com. I was not able to locate the video on the web site but did find an excellent article there about ethanol under "products."It pretty well summarizes the effects of ethanol, fuel life prior to phase seperation,and of course their recommended products to combat it. Well worth reading. I, like Lowell, have my doubts about this "snake oil" but am willing to try it. Rotax does recommend a stabilizer in the fuel (at least the school did) I have some different products that claim to help keep the water/alcohol in solution and will probably run an unscientific test on them to see if in fact the stuff works. I did that with POR 15 paint vs Eastwood rust block,Ospho,etc in the past. The bottom line for me is that I really don't want to drain the fuel out of my tanks after I fly it. This is a major pain in the b--tt! I will of course, if I have too. Dick Maddux Fox 4 Milton,Fl ________________________________ Message 12 ____________________________________ Time: 01:03:13 PM PST US Subject: Re: Kitfox-List: Static Ports From: Patrick Reilly What about just venting directly out of instrument to cabin pressure. I can't believe the pressure inside a KF is much different than outside. I know you would get different readings with doors open vs closed, but how much. Pat Reilly Mod 3 582 Rebuild Rockford, OL On Sat, Jan 16, 2010 at 11:38 PM, wrote: > > Static ports > I have a KitFox drawing showing correct location for the Static port on > the KitFox, don't remember just what version it is, but if person wanting > info will write, I will dig it out! > > If you don't have the static correct your airspeed can be up to 10 mph off, > had one customer whose airspeed wouldn't get below 80 mph, finally found > just a slight oil can in front of the static port causing a low pressure > area over the area of the static port. This was on a Zenith 601 about 10 > years ago. plane has over 600 hours on it now, still flying great. > Elbie Mendenhall EM Aviation,LLC > www.riteangle.com > > Time: 09:23:50 AM PST US > Subject: Kitfox-List: Re: Airspeed Indicator reading low, > From: "dave" > > > * > > * > > ________________________________ Message 13 ____________________________________ Time: 02:59:05 PM PST US Subject: Kitfox-List: Re: Corrosion Protection for Flaperons? From: "jimcarriere" [quote="FlyboyTR"] I drilled a 1/8" hole in each cavity on the bottom of the flaperon. I then sprayed Corrosion-X into each cavity and closed the hole with an aluminum rivet. At least I know that most of the internal surfaces have some type of protection. [/quote] The build manual actually calls for almost exactly that- drilling 1/8" drain holes in the bottom surface of the flaperons right at the trailing edge, one for each "bay" that has a hinge/attachment, but not for every bay. Then again this might not have been in all versions of the build manual, or maybe your original builder didn't do it, or maybe the holes are specified as optional? (Got my manual around here...somewhere...) -------- Jim in NW FL Kitfox Series 7 in progress Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281974#281974 ________________________________ Message 14 ____________________________________ Time: 03:10:15 PM PST US From: Lynn Matteson Subject: Re: Kitfox-List: Re: Corrosion Protection for Flaperons? I hope you still have a hole in each cavity to allow condensation to escape. Lynn Matteson Kitfox IV Speedster, taildragger Jabiru 2200, #2062, 839.2 hrs Countdown to 1000 hrs~162 to go Sensenich 62"x46" Wood prop Electroair direct-fire ignition system Rotec TBI-40 injection Status: flying (and learning) do not archive On Jan 17, 2010, at 12:15 PM, FlyboyTR wrote: > > OK. I ended up using Corrosion-X. After pulling the builders log > to determine how the flaperons are constructed...I realized there > were foam ribs every 12 inches and apparently sealed to the point > that nothing would flow from section to section. > > I drilled a 1/8" hole in each cavity on the bottom of the > flaperon. I then sprayed Corrosion-X into each cavity and closed > the hole with an aluminum rivet. At least I know most surfaces > should be covered. > > Travis :D > > -------- > Travis Rayner > Mobile, AL > Skystar Vixen, N-789DF > Continental IO-240, Prince P-Tip Prop > ADI-II Autopilot > AnyWhereMap Navigation with weather > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=281927#281927 > > ________________________________ Message 15 ____________________________________ Time: 03:17:27 PM PST US Subject: Kitfox-List: Re: Corrosion Protection for Flaperons? From: "FlyboyTR" Jim, Thanks for the input. There were drain holes in each bay associated with a hinge. Those were easy to work with! :D I think I had to drill 7 or 8 additional holes in each aileron. Where are you located in NW Florida? Travis :) -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240, Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281979#281979 ________________________________ Message 16 ____________________________________ Time: 03:19:28 PM PST US Subject: Kitfox-List: Re: Corrosion Protection for Flaperons? From: "FlyboyTR" Lynn, No I don't. The only drain holes are the ones associated with the cavities that have the hinges. Should each individual chamber have a drain? Travis :D -------- Travis Rayner Mobile, AL Skystar Vixen, N-789DF Continental IO-240, Prince P-Tip Prop ADI-II Autopilot AnyWhereMap Navigation with weather Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281980#281980 ________________________________ Message 17 ____________________________________ Time: 04:09:44 PM PST US Subject: Re: Kitfox-List: Re: Corrosion Protection for Flaperons? From: Don Hudgeon G`day All Could anyone tell me if they have drain holes near the trailing edge of their wings? I have a Model 5 Vixen and there are no drains. I could not find reference to them in the builders manual. Friends with Cubs and TC`s are telling me to put in drains. The aircraft is stored either in garage or hanger. Any recommendations? Thanks Don On Sun, Jan 17, 2010 at 3:19 PM, FlyboyTR wrote: > > Lynn, > No I don't. The only drain holes are the ones associated with the cavities > that have the hinges. Should each individual chamber have a drain? > > Travis :D > > -------- > Travis Rayner > Mobile, AL > Skystar Vixen, N-789DF > Continental IO-240, Prince P-Tip Prop > ADI-II Autopilot > AnyWhereMap Navigation with weather > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=281980#281980 > > ________________________________ Message 18 ____________________________________ Time: 04:22:28 PM PST US Subject: Kitfox-List: Re: Static Ports From: "dave" Pat -- this i why they read wrong................ you need a static port where the pressure really is static. Read my post on how to check [quote="Pat Reilly"]What about just venting directly out of instrument to cabin pressure. I can't believe the pressure inside a KF is much different than outside. I know you would get different readings with doors open vs closed, but how much. Pat Reilly Mod 3 582 Rebuild Rockford, OL On Sat, Jan 16, 2010 at 11:38 PM, wrote: > > Static ports > I have a KitFox drawing showing correct location for the Static port on the KitFox, don't remember just what version it is, but if person wanting info will write, Iwill dig it out! > > If you don't have the static correct your airspeed can be up to 10 mph off, had one customer whose airspeed wouldn't get below 80 mph, finally found just a slight oil can in front of the static port causing a low pressure area over the area of the static port. This was on a Zenith 601 about 10 years ago.plane has over 600 hours on it now, still flying great. > Elbie Mendenhall EM Aviation,LLC > www.riteangle.com (http://www.riteangle.com/) > > > Time: 09:23:50 AM PST US > > Subject: Kitfox-List: Re: Airspeed Indicator reading low, > > From: "dave" > > > > > > > > > > > > > > > arget="_blank">http://www.matronics.com/Navigator?Kitfox-List > > ttp://forums.matronics.com > > _blank">http://www.matronics.com/contribution > > > > > [b] -------- Rotax Dealer, Ontario Canada http://www.cfisher.com/ Awesome *New Forum * http://rotaxaircraft.com/forum/ Realtime Kitfox movies to separate the internet chatter from the truth http://www.youtube.com/profile_videos?user=kitfoxflyer Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281986#281986 ________________________________ Message 19 ____________________________________ Time: 05:01:17 PM PST US Subject: Kitfox-List: Re: Corrosion Protection for Flaperons? From: "Tom Jones" > G`day All > > Could anyone tell me if they have drain holes near the trailing edge of their wings? I have a Model 5 Vixen and there are no drains. I could not find reference to them in the builders manual. Friends with Cubs and TC`s are telling me to put in drains. The aircraft is stored either in garage or hanger. Any recommendations? > > Thanks > > Don Don, Wing drainage is mentioned in the wing trailing edge installation part of the manual. "Cut the notch (in the trailing edge) for the cap strip 1/8" wider on the outboard side of each rib to provide a drain opening for the area behind the lip". This lip mentioned is on the bottom of the trailing edge and points up. After covering and painting you burn a 1/8" hole in the fabric there with a needle nose soldering iron. If your trailing edges have this done you should be able to feel the notch under the fabric at the forward edge of the wing trailing edge on the outboard edge of each rib. If the notch is not there the trailing edge "Lip" mentioned above will catch water draining back. In this case I would burn a drain hole right in front of the trailing edge and drill a hole in the trailing edge right behind that one to drain any water caught behind that "Lip". Some day sooner or later you will probably get caught out in the rain. -------- Tom Jones Classic IV 503 Rotax, 72 inch Two blade Warp Ellensburg, WA Read this topic online here: http://forums.matronics.com/viewtopic.php?p=281992#281992 ________________________________ Message 20 ____________________________________ Time: 06:29:07 PM PST US Subject: Re: Kitfox-List: Re: Corrosion Protection for Flaperons? From: Don Hudgeon Thanks Tom, I am overseas right now but will double check this when I get home. I have just imported this aircraft from CA to BC Canada ( I live about 250miles straight north of you).I hope to get it ready for Canadian certification in the spring. Have to add carb heat, gascolator, etc. to meet our standards.Sure would like someone with a bunch of hours "Kitfoxing" to remove a few years of RUST from an old PP.Any takers out there. BC is great in the spring!! On Sun, Jan 17, 2010 at 5:00 PM, Tom Jones wrote: > > > > G`day All > > > > Could anyone tell me if they have drain holes near the trailing edge of > their wings? I have a Model 5 Vixen and there are no drains. I could not > find reference to them in the builders manual. Friends with Cubs and TC`s > are telling me to put in drains. The aircraft is stored either in garage or > hanger. Any recommendations? > > > > Thanks > > > > Don > > > Don, Wing drainage is mentioned in the wing trailing edge installation part > of the manual. > > "Cut the notch (in the trailing edge) for the cap strip 1/8" wider on the > outboard side of each rib to provide a drain opening for the area behind the > lip". This lip mentioned is on the bottom of the trailing edge and points > up. > > After covering and painting you burn a 1/8" hole in the fabric there with a > needle nose soldering iron. > > If your trailing edges have this done you should be able to feel the notch > under the fabric at the forward edge of the wing trailing edge on the > outboard edge of each rib. > > If the notch is not there the trailing edge "Lip" mentioned above will > catch water draining back. In this case I would burn a drain hole right in > front of the trailing edge and drill a hole in the trailing edge right > behind that one to drain any water caught behind that "Lip". > > Some day sooner or later you will probably get caught out in the rain. > > -------- > Tom Jones > Classic IV > 503 Rotax, 72 inch Two blade Warp > Ellensburg, WA > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=281992#281992 > > ________________________________ Message 21 ____________________________________ Time: 06:35:47 PM PST US From: Lynn Matteson Subject: Re: Kitfox-List: Re: Corrosion Protection for Flaperons? I just looked it up, Travis, and I was wrong....they say a 3/16" hole "in the bottom skin aft of each hinge, about 3/4" ahead of the trailing edge for a moisture drain hole." I think I was thinking of the drain holes in the wing fabric. So the manual must not think that's there's an appreciable amount of moisture collecting inside the individual bays of the flaperon. Or they have a channel that would allow for the flow of moisture between the bays/cavities. Lynn Matteson Kitfox IV Speedster, taildragger Jabiru 2200, #2062, 839.2 hrs Countdown to 1000 hrs~162 to go Sensenich 62"x46" Wood prop Electroair direct-fire ignition system Rotec TBI-40 injection Status: flying (and learning) On Jan 17, 2010, at 6:19 PM, FlyboyTR wrote: > > Lynn, > No I don't. The only drain holes are the ones associated with the > cavities that have the hinges. Should each individual chamber have > a drain? > > Travis :D > > -------- > Travis Rayner > Mobile, AL > Skystar Vixen, N-789DF > Continental IO-240, Prince P-Tip Prop > ADI-II Autopilot > AnyWhereMap Navigation with weather > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=281980#281980 > > ________________________________ Message 22 ____________________________________ Time: 08:38:54 PM PST US Subject: Kitfox-List: Re: Northstar F210 Fuel flow gauge From: "Paul Franz - Merlin GT" On Sun, January 17, 2010 12:13 pm, akflyer wrote: > > I wonder if you are getting it hot if it is on the front side of the firewall? Or > gunk out of the tank getting into it? Do you have the filter just before the > transducer? > > Just wondering cause I have several of them installed on my stuff and have never had a > glitch, but mine is behind the seat in the plane just under the header tank. Lenny - Thanks for this thoughtful contribution. You've definitely come up with a plausible explanation. After Dick Maddux said: "Well, I have had it with this unit. The transducer has failed again and it is less than 2 months old and less than 8 hrs ! My first one lasted almost a year. This unit is coming out of my panel and a plug installed in its place until I find something nice to put in that hole. I removed the transducer to see what the problem was. The impeller is stuck and I could not get it to move with compressed air or Kroil. I had thought seriously of the the method of getting my prior transducer to turn (a 5 LB sledge hammer) ...." I made a mental note that I guess I won't be using one of those Northstar units but now I think you're on to something. It can't be so bad that it has 100% failure rate. It must be failing due to some configuration or usage problem. Hopefully Dick will do a little more experimenting before pronouncing the product dead and useless. -- Paul A. Franz Registration/Aircraft - N14UW/Merlin GT Engine/Prop - Rotax 914/NSI CAP Bellevue WA 425.241.1618 Cell "The powers delegated by the proposed Constitution to the federal government are few and defined. Those which are to remain in the State governments are numerous and indefinite." --James Madison, Federalist No. 45 "It is necessary for every American, with becoming energy to endeavor to stop the dissemination of principles evidently destructive of the cause for which they have bled. It must be the combined virtue of the rulers and of the people to do this, and to rescue and save their civil and religious rights from the outstretched arm of tyranny, which may appear under any mode or form of government." -- Mercy Warren, History of the Rise, Progress, and Termination of the American Revolution, 1805 Europe was created by history. 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