RV-List Digest Archive

Sat 03/05/05


Total Messages Posted: 18



Today's Message Index:
----------------------
 
     1. 01:44 AM - VIDEO to eat all other videos (so far) (Dan Checkoway)
     2. 04:03 AM - Re: EFIS Lite (Kevin Horton)
     3. 04:42 AM - Re: VIDEO to eat all other videos (so far) (Gordon or Marge Comfort)
     4. 07:27 AM - SK-32A (David Burton)
     5. 08:53 AM - Re: # 4 Cylinder running hot ?? (Brian Denk)
     6. 09:59 AM - Re: # 4 Cylinder running hot ?? (Skylor Piper)
     7. 10:08 AM - Re: EFIS Lite (Stein Bruch)
     8. 10:41 AM - Re: VIDEO to eat all other videos (so far) (Randy Lervold)
     9. 12:29 PM - Re: RV-List Digest: 52 Msgs - 03/04/05 (Jerry2DT@aol.com)
    10. 05:55 PM - magnetometer in an RV-8? (Glen Matejcek)
    11. 06:21 PM - Re: VIDEO to eat all other videos (so far) (Jeff Dowling)
    12. 07:13 PM - eMachineShop (Alison and Neil)
    13. 07:15 PM - Re: EFIS Lite (Bob C.)
    14. 07:23 PM - Re: VIDEO to eat all other videos (so far) (Dan Reeves)
    15. 08:44 PM - Re: EFIS Lite (Brian Kraut)
    16. 09:01 PM - Re: magnetometer in an RV-8? (Bill VonDane)
    17. 09:50 PM - Re: VIDEO to eat all other videos (so far) (Skylor Piper)
    18. 11:45 PM - Re: Major or Minor Modification for electronic ignitions? (Vanremog@aol.com)
 
 
 


Message 1


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    Time: 01:44:32 AM PST US
    From: "Dan Checkoway" <dan@rvproject.com>
    <rv-list@matronics.com>
    Subject: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: "Dan Checkoway" <dan@rvproject.com> http://images.rvproject.com/movies/20050304_mountain_rainbow.wmv Sometimes words just can't describe it. )_( Dan RV-7 N714D http://www.rvproject.com


    Message 2


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    Time: 04:03:05 AM PST US
    From: Kevin Horton <khorton01@rogers.com>
    Subject: EFIS Lite
    --> RV-List message posted by: Kevin Horton <khorton01@rogers.com> Just because the FAA isn't watching doesn't mean you should ignore their "requirements". AC20-138A and TSO-C129 still apply, even if you are doing the work yourself. Compliance to TSO-C129 is important, as it requires that the GPS have a Receiver Autonomous Integrity Monitoring (RAIM) capability, which allows the GPS to detect when it is receiving bad info from a satellite. Without RAIM, bad info can cause a significant position error, which is OK for VFR ops, but a bad thing if you are in cloud trying to shoot an approach. Kevin Horton At 21:06 -0600 4/3/05, you wrote: >--> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > >Re-Read Mike S's previous post. It really doesn't matter what the FAA >inspector or DAR thinks when they are giving you your aiworthiness >certificae. The fact of the matter is that you don't receive an "IFR >Certification" for your homebuilt aircraft, rather a set of operating >limitations pertinent to IFR flight. Check the archives, this has been >hashed and re-hashed a whole bunch of times. > >Oh, I better clarify...I'm not sure how Canada handles things, so don't take >the above statements as global rules. > >Just my 2 cents as usual! > >Cheers, >Stein. > >do not archive > >-----Original Message----- >From: owner-rv-list-server@matronics.com >[mailto:owner-rv-list-server@matronics.com]On Behalf Of Kevin Horton >To: rv-list@matronics.com >Subject: Re: RV-List: EFIS Lite > >Doug, > >If you want IFR GPS certification, you'll need to deal with >AC20-138A, which has to be the worst written AC I have ever seen. I >have always understood it to "require"[1] the GPS to meet TSO-C129 >(for a non-WAAS capable box) or TSO-C146 (for a WAAS capable box). >The predecessor AC20-138 was much easier to slog through. > >I seriously doubt BMA is up to getting TSO-C129 certification for >their unit, so I would give up on getting IFR GPS certification based >on it. > >[1] I put "require" in quotation marks as ACs are only advisory, not >regulatory. So, you may find an FAA inspector somewhere who takes a >different view of the world who might approve things that are >contrary to the AC. But I wouldn't bank on it. >-- >Kevin Horton RV-8 (finishing kit) >Ottawa, Canada >http://www.kilohotel.com/rv8 >


    Message 3


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    Time: 04:42:01 AM PST US
    From: "Gordon or Marge Comfort" <gcomfo@tc3net.com>
    Subject: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: "Gordon or Marge Comfort" <gcomfo@tc3net.com> rv-list@matronics.com Subject: RV-List: VIDEO to eat all other videos (so far) --> RV-List message posted by: "Dan Checkoway" <dan@rvproject.com> http://images.rvproject.com/movies/20050304_mountain_rainbow.wmv Sometimes words just can't describe it. )_( Dan RV-7 N714D http://www.rvproject.com Dan: Outstanding. Exactly the way RV's are meant to be flown. Gordon Comfort N363GC


    Message 4


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    Time: 07:27:01 AM PST US
    From: "David Burton" <dburton@nwlink.com>
    Subject: SK-32A
    --> RV-List message posted by: "David Burton" <dburton@nwlink.com> Can anybody shoot me an e-copy of this sketch? Seems like yet "another" drawing I'm missing out of the two sets of blueprints and preview plans I have for my RV6. BTW, You can purchase blueprint pages from Van's for $3.50 each if you are a builder. I'm waiting for yet another one to be delivered Monday... Thanks! Dave


    Message 5


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    Time: 08:53:28 AM PST US
    From: "Brian Denk" <akroguy@hotmail.com>
    Subject: # 4 Cylinder running hot ??
    --> RV-List message posted by: "Brian Denk" <akroguy@hotmail.com> >Guys: > >I need help in solving this mystery. I have noticed over the last 25 >hours >that my #4 cylinder is running hotter than normal and seems to be getting >even hotter. Nothing is blocking the air flow .. can't find anything >that has >changed in my setup under the cowl ... > >What do you think is going on ??? > >Len Leggette, RV-8A >Greensboro, NC N910LL >329 hrs Len, Possibilities that I can think of: 1. Baffles 2. Ring blow-by 3. Exhaust valve or valve seat failure 4. Cylinder head crack I'd do a compression check while hot to rule out most of these items. Mag or EI timing could have changed too. Brian Denk RV8 N94BD RV10 '51


    Message 6


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    Time: 09:59:03 AM PST US
    From: Skylor Piper <skylor4@yahoo.com>
    Subject: Re: # 4 Cylinder running hot ??
    --> RV-List message posted by: Skylor Piper <skylor4@yahoo.com> Len, I assume that your referring to the CHT for that cylinder. What's your EGT doing? If CHT is getting hotter and EGT is getting cooler, look for an ignition related issue, such as timing. Also, try replacing both plugs on that cylinder with new ones. A cracked spark plug insulator can can cause varying degrees of detonation, and that will raise the CHT & drop EGT. If you are seeing a rise of both CHT and EGT, the problem is likely mixture related. This could be from a vacuum leak, or a slightly clogged injector. If the EGT hasn't changed much, then look for cooling related problems. Note that valve & compression problems will actually result in a cooler CHT, and hotter EGT. Skylor RV-8 QB Under Construction --- Lenleg@aol.com wrote: > --> RV-List message posted by: Lenleg@aol.com > > Guys: > > I need help in solving this mystery. I have noticed > over the last 25 hours > that my #4 cylinder is running hotter than normal > and seems to be getting > even hotter. Nothing is blocking the air flow .. > can't find anything that has > changed in my setup under the cowl ... > > What do you think is going on ??? > > Len Leggette, RV-8A > Greensboro, NC N910LL > 329 hrs > > > > Contributions > any other > Forums. > > http://www.matronics.com/subscription > http://www.matronics.com/FAQ/RV-List.htm > http://www.matronics.com/archives > http://www.matronics.com/photoshare > http://www.matronics.com/emaillists > > > > > > __________________________________ http://birthday.yahoo.com/netrospective/


    Message 7


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    Time: 10:08:21 AM PST US
    From: "Stein Bruch" <stein@steinair.com>
    Subject: EFIS Lite
    --> RV-List message posted by: "Stein Bruch" <stein@steinair.com> Totally agree - fair point. The AC's and various guidelines were written for a reason, mainly safety. Cheers, Stein Do not Archive -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com]On Behalf Of Kevin Horton Subject: RE: RV-List: EFIS Lite --> RV-List message posted by: Kevin Horton <khorton01@rogers.com> Just because the FAA isn't watching doesn't mean you should ignore their "requirements". AC20-138A and TSO-C129 still apply, even if you are doing the work yourself. Compliance to TSO-C129 is important, as it requires that the GPS have a Receiver Autonomous Integrity Monitoring (RAIM) capability, which allows the GPS to detect when it is receiving bad info from a satellite. Without RAIM, bad info can cause a significant position error, which is OK for VFR ops, but a bad thing if you are in cloud trying to shoot an approach. Kevin Horton At 21:06 -0600 4/3/05, you wrote: >--> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > >Re-Read Mike S's previous post. It really doesn't matter what the FAA >inspector or DAR thinks when they are giving you your aiworthiness >certificae. The fact of the matter is that you don't receive an "IFR >Certification" for your homebuilt aircraft, rather a set of operating >limitations pertinent to IFR flight. Check the archives, this has been >hashed and re-hashed a whole bunch of times. > >Oh, I better clarify...I'm not sure how Canada handles things, so don't take >the above statements as global rules. > >Just my 2 cents as usual! > >Cheers, >Stein.


    Message 8


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    Time: 10:41:56 AM PST US
    From: "Randy Lervold" <randy@romeolima.com>
    Subject: Re: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: "Randy Lervold" <randy@romeolima.com> Who did the music, is that Pat Methany? Randy Lervold


    Message 9


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    Time: 12:29:58 PM PST US
    From: Jerry2DT@aol.com
    Subject: Re: RV-List Digest: 52 Msgs - 03/04/05
    --> RV-List message posted by: Jerry2DT@aol.com Charles, I *think* Tim at _tshrem@comcast.net_ (mailto:tshrem@comcast.net) has one, you might give him a try. Jerry Cochran From: "Charles Heathco" <cheathco@comcast.net> Subject: RV-List: Rotary eng in RV --> RV-List message posted by: "Charles Heathco" <cheathco@comcast.net> I have looked thru arch and didnt find anything current.-- I would like to know who is running a rotary in thier RV, and evaluate, Also who tried one and pulled it out?? charlie heathco


    Message 10


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    Time: 05:55:13 PM PST US
    From: "Glen Matejcek" <aerobubba@earthlink.net>
    Subject: magnetometer in an RV-8?
    --> RV-List message posted by: "Glen Matejcek" <aerobubba@earthlink.net> Hi Bill- I (and BMA's tech rep) have put out magnetometers on the rear deck between the HS spars on our -8's. This is a good locale due to the lack of ferrous material in sufficient quantity to cause issues, and it is square with the rest of the aircraft. As I understand it, and I'm no digital guru, the mag really does need to be square with the airframe. It is a 3 dimensional compass, and the brain box uses GPS lat /long to determine the local slope of the magnetic lines of force. This data is then compared to the inertial platform to 'back up' it's attitude solution. I think. Or recall. Whatever. Bottom line, the magnetometers do need to be a square as practical for the system to function optimally, as it was presented to me. For demonstration sake, you can set up your E/L on the kitchen table and pitch the E/L while leaving the mag flat on the table. The heading will change, even tho the mag is immobile. Made a believer out of me.... FWIW, YMMV, Not valid where prohibited by law' and most certainly, do not archive! Glen Matejcek aerobubba@earthlink.net


    Message 11


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    Time: 06:21:21 PM PST US
    From: "Jeff Dowling" <shempdowling2@earthlink.net>
    Subject: Re: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: "Jeff Dowling" <shempdowling2@earthlink.net> I dont know but it didnt fit the video :) DO NOT ARCHIVE DO NOT ARCHIVE DO NOT ARCHIVE DO NOT ARCHIVE DO NOT ARCHIVE shemp From: "Randy Lervold" <randy@romeolima.com> Subject: Re: RV-List: VIDEO to eat all other videos (so far) > --> RV-List message posted by: "Randy Lervold" <randy@romeolima.com> > > Who did the music, is that Pat Methany? > > Randy Lervold > > >


    Message 12


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    Time: 07:13:40 PM PST US
    From: Alison and Neil <alisonandneil@direcway.com>
    Subject: eMachineShop
    --> RV-List message posted by: Alison and Neil <alisonandneil@direcway.com> I need to set the record straight on eMachineShop. I posted that the part I designed was going to cost $1,720.00.That is wrong. That was the price for 100! I didn't notice that the default quantity on the order form was 100. The actual price for 1 part was about $155.00 and for 10 about $320.00 plus about $7 for packing and shipping. The time estimate was about 29 days or 37 days if you wanted it anodized. The extra charge for anodizing was about $40 weather you ordered 1 or 10 parts. I have never drawn anthing on CAD before and had the part drawn and a price and time estimate in under an hour. I think that is remarkable. I think price is very reasonable and although I had a few listers volunteer their services (Thanks!) I may try this company out of curiosity. I'll let you know how it goes. Neil McLeod RV-7 Bisbee, AZ


    Message 13


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    Time: 07:15:18 PM PST US
    From: "Bob C. " <flyboy.bob@gmail.com>
    Subject: Re: EFIS Lite
    --> RV-List message posted by: "Bob C. " <flyboy.bob@gmail.com> There is little doubt in my mind that to "legally" file/fly IFR you must have a TSO'd GPS, especially for the approach phase . . . but it also applies to the enroute phase. Regards, Bob On Sat, 5 Mar 2005 12:07:43 -0600, Stein Bruch <stein@steinair.com> wrote: > --> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > > Totally agree - fair point. The AC's and various guidelines were written > for a reason, mainly safety. > > Cheers, > Stein > > Do not Archive > > -----Original Message----- > From: owner-rv-list-server@matronics.com > [mailto:owner-rv-list-server@matronics.com]On Behalf Of Kevin Horton > To: rv-list@matronics.com > Subject: RE: RV-List: EFIS Lite > > --> RV-List message posted by: Kevin Horton <khorton01@rogers.com> > > Just because the FAA isn't watching doesn't mean you should ignore > their "requirements". AC20-138A and TSO-C129 still apply, even if > you are doing the work yourself. > > Compliance to TSO-C129 is important, as it requires that the GPS have > a Receiver Autonomous Integrity Monitoring (RAIM) capability, which > allows the GPS to detect when it is receiving bad info from a > satellite. Without RAIM, bad info can cause a significant position > error, which is OK for VFR ops, but a bad thing if you are in cloud > trying to shoot an approach. > > Kevin Horton > > At 21:06 -0600 4/3/05, you wrote: > >--> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > > > >Re-Read Mike S's previous post. It really doesn't matter what the FAA > >inspector or DAR thinks when they are giving you your aiworthiness > >certificae. The fact of the matter is that you don't receive an "IFR > >Certification" for your homebuilt aircraft, rather a set of operating > >limitations pertinent to IFR flight. Check the archives, this has been > >hashed and re-hashed a whole bunch of times. > > > >Oh, I better clarify...I'm not sure how Canada handles things, so don't > take > >the above statements as global rules. > > > >Just my 2 cents as usual! > > > >Cheers, > >Stein. > > >


    Message 14


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    Time: 07:23:57 PM PST US
    From: Dan Reeves <n516dr@yahoo.com>
    Subject: Re: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: Dan Reeves <n516dr@yahoo.com> Thanks Dan! From one who is still pounding rivets, very motivational! Dan Reeves N516DR RV-7A Fuselage Do not archive Dan Checkoway <dan@rvproject.com> wrote: --> RV-List message posted by: "Dan Checkoway" http://images.rvproject.com/movies/20050304_mountain_rainbow.wmv Sometimes words just can't describe it. )_( Dan RV-7 N714D http://www.rvproject.com ---------------------------------


    Message 15


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    Time: 08:44:07 PM PST US
    From: "Brian Kraut" <brian.kraut@engalt.com>
    Subject: EFIS Lite
    --> RV-List message posted by: "Brian Kraut" <brian.kraut@engalt.com> So no one confuses this, you don't need a GPS at all to fly IFR, just to file as having GPS. There is no reason you can't fly IFR with just a VOR and use the GPS as a backup. Obviously, you can't legally make a GPS approach or legally use the GPS to fly a direct route without anything else to guide you there. Brian Kraut Engineering Alternatives, Inc. www.engalt.com -----Original Message----- From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com]On Behalf Of Bob C. Subject: Re: RV-List: EFIS Lite --> RV-List message posted by: "Bob C. " <flyboy.bob@gmail.com> There is little doubt in my mind that to "legally" file/fly IFR you must have a TSO'd GPS, especially for the approach phase . . . but it also applies to the enroute phase. Regards, Bob On Sat, 5 Mar 2005 12:07:43 -0600, Stein Bruch <stein@steinair.com> wrote: > --> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > > Totally agree - fair point. The AC's and various guidelines were written > for a reason, mainly safety. > > Cheers, > Stein > > Do not Archive > > -----Original Message----- > From: owner-rv-list-server@matronics.com > [mailto:owner-rv-list-server@matronics.com]On Behalf Of Kevin Horton > To: rv-list@matronics.com > Subject: RE: RV-List: EFIS Lite > > --> RV-List message posted by: Kevin Horton <khorton01@rogers.com> > > Just because the FAA isn't watching doesn't mean you should ignore > their "requirements". AC20-138A and TSO-C129 still apply, even if > you are doing the work yourself. > > Compliance to TSO-C129 is important, as it requires that the GPS have > a Receiver Autonomous Integrity Monitoring (RAIM) capability, which > allows the GPS to detect when it is receiving bad info from a > satellite. Without RAIM, bad info can cause a significant position > error, which is OK for VFR ops, but a bad thing if you are in cloud > trying to shoot an approach. > > Kevin Horton > > At 21:06 -0600 4/3/05, you wrote: > >--> RV-List message posted by: "Stein Bruch" <stein@steinair.com> > > > >Re-Read Mike S's previous post. It really doesn't matter what the FAA > >inspector or DAR thinks when they are giving you your aiworthiness > >certificae. The fact of the matter is that you don't receive an "IFR > >Certification" for your homebuilt aircraft, rather a set of operating > >limitations pertinent to IFR flight. Check the archives, this has been > >hashed and re-hashed a whole bunch of times. > > > >Oh, I better clarify...I'm not sure how Canada handles things, so don't > take > >the above statements as global rules. > > > >Just my 2 cents as usual! > > > >Cheers, > >Stein. > >


    Message 16


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    Time: 09:01:21 PM PST US
    From: "Bill VonDane" <bill@vondane.com>
    Subject: Re: magnetometer in an RV-8?
    --> RV-List message posted by: "Bill VonDane" <bill@vondane.com> Ok, well I tried the whiskey compass in this position, and all other positions under the emp fairing, and movement of the elevators would swing it... Not a good place IMHO... I think I am going to make a small bracket to mount the thing on one for the side stiffeneners in the space behind the baggage compartment, maybe where the static source is... the BM MM is a little different than the dynon so I think I can do it without spanning across that space... More to come... -Bill ----- Original Message ----- From: "Bill VonDane" <bill@vondane.com> Subject: Re: RV-List: magnetometer in an RV-8? What about this... Use a couple of small angles, maybe rudder stiffener material, or maybe .125" angle material, riveted to the HS spanning the top surface as far forward as you can get... This would get you several inches (6-8 maybe) away from any bolts, and may also get you far enough away from the elevator arms... See this photo: http://www.rv8a.com/panel/panel3/mag.jpg I'll stick a compass up there tomorrow and see if it swings at all... -Bill ----- Original Message ----- From: "Bill VonDane" <bill@vondane.com> Subject: Re: RV-List: magnetometer in an RV-8? --> RV-List message posted by: Bill VonDane <bill@vondane.com> yes, you're right about the horizontal axis being close enough... I am going to go around the plane with a whiskey compass and see if I can find a place... I would love to be able to put it right under the VS... -Bill ----- Original Message ----- From: "Terry Watson" <terry@tcwatson.com> Subject: RE: RV-List: magnetometer in an RV-8? --> RV-List message posted by: "Terry Watson" <terry@tcwatson.com> Yes, those are probably stiffeners back there. If they are not parallel to the upper longerons, I'm sure they are close enough for a magnetometer to detect magnetic north. I don't think being exactly horizontal is very important for a compass. Others have put the magnetometer on the shelf under the vertical and horizontal stabilizers. I was concerned about weather exposure and the steel bolts back there, but it probably works fine. It might also be a lot easier to get at for installation and inspection. As for the span across the fuselage, it doesn't take a very big aluminum angle to support the very light magnetometer, even at several G's. If it gets bouncy, I can run a diagonal brace to the upper or lower longeron. Terry --> RV-List message posted by: Bill VonDane <bill@vondane.com> Are you talking about the stiffeners on the fuse sides, or the full length longerons? I don't think the lower stiffeners are exactly parallel to the upper longerons.....which are parallel to level flight (I think)... Did that make any sense? LOL I thought about spanning the longerons and putting it back there, but I don't want to span that much distance... I would also like to make it more accessible... I am thinking of putting it under the VS... I am going to do some testing this weekend with a compass to see where I can do it without interference... -Bill


    Message 17


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    Time: 09:50:53 PM PST US
    From: Skylor Piper <skylor4@yahoo.com>
    Subject: Re: VIDEO to eat all other videos (so far)
    --> RV-List message posted by: Skylor Piper <skylor4@yahoo.com> Pat Methany is my guess, too. I only have one of his albums, and it isn't that one! Skylor Do not archive --- Randy Lervold <randy@romeolima.com> wrote: > --> RV-List message posted by: "Randy Lervold" > <randy@romeolima.com> > > Who did the music, is that Pat Methany? > > Randy Lervold > > > > Contributions > any other > Forums. > > http://www.matronics.com/subscription > http://www.matronics.com/FAQ/RV-List.htm > http://www.matronics.com/archives > http://www.matronics.com/photoshare > http://www.matronics.com/emaillists > > > > > > __________________________________ http://birthday.yahoo.com/netrospective/


    Message 18


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    Time: 11:45:29 PM PST US
    From: Vanremog@aol.com
    Subject: Re: Major or Minor Modification for electronic ignitions?
    --> RV-List message posted by: Vanremog@aol.com To Mike Robertson- Mike- When changing out the ignition system (OEM Slick magnetos) to electronic (two new P-mags), must I or how do I approach the FAA or my DAR (Dave Morss)? Is this considered a major modification to my RV-6A and do I have to take it back into testing mode? I expect to get the P-mag installation completed next week but want to ensure that all is properly done paperwork wise and legal. Thanks in advance. GV (RV-6A N1GV O-360-A1A, C/S, Flying 736hrs, Silicon Valley, CA)




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