RV-List Digest Archive

Wed 04/06/05


Total Messages Posted: 20



Today's Message Index:
----------------------
 
     1. 01:47 AM - Re: External Power Socket (Jeff Point)
     2. 04:28 AM - E-mag/P-mag (Charles Heathco)
     3. 04:50 AM - propeller protection (Stucklen, Frederic W UTPWR)
     4. 05:28 AM - Re: External power socket (Kosta Lewis)
     5. 05:50 AM - E-Mag/P-Mag (David Burden)
     6. 06:00 AM - Re: Re: External power socket (Wayne @ Aircraft Engravers)
     7. 06:04 AM - Re: RV-List Digest: 29 Msgs - 04/05/05 (james f george)
     8. 06:08 AM - Re: Re: External power socket (Ron Lee)
     9. 06:23 AM - Re: E-Mag/P-Mag (Ron Lee)
    10. 06:46 AM - Re: Source of supply - Mar-hyde primer (spray can) (LarryRobertHelming)
    11. 10:35 AM - Re: Polishing scratches (czechsix@juno.com)
    12. 03:50 PM - Re Engine mount (Clive Whittfield)
    13. 05:00 PM - Re: propeller protection (RGray67968@aol.com)
    14. 05:03 PM - S_N_F Vans get together ?? (Charles Rowbotham)
    15. 08:04 PM - Reusing nuts? (MLWynn@aol.com)
    16. 08:58 PM - Re: Reusing nuts? (Tedd McHenry)
    17. 10:01 PM - Langley Fly-in 2005 (Tedd McHenry)
    18. 10:08 PM - AOA with Microcontroller... (Matt Johnson)
    19. 11:29 PM - Re: Engine Mount (DEAN PSIROPOULOS)
    20. 11:40 PM - Gascolater (DEAN PSIROPOULOS)
 
 
 


Message 1


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    Time: 01:47:50 AM PST US
    From: Jeff Point <jpoint@mindspring.com>
    Subject: Re: External Power Socket
    --> RV-List message posted by: Jeff Point <jpoint@mindspring.com> I accomlished the same thing with an old heavy-gauge extension cord. Cut it in half, attached the + and - wires to the battery. Hang the plug so it is accesable through the oil door. The other half of the cord is modified to attach to a charger, and is carried in the "emergency tool kit" in the plane at all times. Won't handle jump starting currents, but you shouldn't launch with a completely dead battery anyway. Lighter and cheaper and easier than a power receptacle, especially for something you will use only very occasionally. Jeff Point RV-6 Milwaukee WI > >


    Message 2


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    Time: 04:28:57 AM PST US
    From: "Charles Heathco" <cheathco@comcast.net>
    Subject: E-mag/P-mag
    --> RV-List message posted by: "Charles Heathco" <cheathco@comcast.net> Due to long wait time to get these, I had my mags OH'd and am considering getting in line to buy E/P mags but wanted to see how they were working for the ones who have rec and installed them. Last I saw, several had them on order. Pls reply via my e-mail if you can. cheathco@comcast.net Charlie Heathco


    Message 3


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    Time: 04:50:48 AM PST US
    From: "Stucklen, Frederic W UTPWR" <Fred.Stucklen@UTCFuelCells.com>
    Subject: propeller protection
    0.50 MIME_BASE64_LATIN RAW: Latin alphabet text using base64 encoding 0.30 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding --> RV-List message posted by: "Stucklen, Frederic W UTPWR" <Fred.Stucklen@UTCFuelCells.com> Chuck, I wonder if one could use UHMW tape? From "The List" on Van's web site: TAPE UHMW 3"X10' CLEAR UHMW 4/6/7/8 $11.00 It doesn't have the center line, but I'll bet it's the same stuff.... Fred Stucklen Time: 04:02:25 PM PST US From: "Charles Rowbotham" < crowbotham@hotmail.com <mailto:crowbotham@hotmail.com> > Subject: propeller protection --> RV-List message posted by: "Charles Rowbotham" < crowbotham@hotmail.com <mailto:crowbotham@hotmail.com> > Evan, We installed " Prop Guard " tape about 3 years ago and have put 250+ hours on our C/S prop. The Prop looks new - we also have the same problem except the State will not sweep the taxi or runways. I'd recommend it. In addition it is easy to install, with fine guide lines marked on the tape. Chuck Rowbotham RV-8A


    Message 4


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    Time: 05:28:38 AM PST US
    From: "Kosta Lewis" <mikel@dimensional.com>
    Subject: Re: External power socket
    --> RV-List message posted by: "Kosta Lewis" <mikel@dimensional.com> >Has anyone installed an external power socket on their RV (for charging, >jump starting after leaving master on, etc).If so, what, where, how? Other >thoughts? I used a connector for trailer hookup on a car/truck that is used for hooking up trailer lights. I have it on the left side of the console and have the wires placed to avoid pole reversal. It is lightweight, inexpensive, readily available, unobtrusive and can be mounted externally if necessary. The 'female' socket only goes in one way, and can handle charging currents without worry about over-amping the wires. It is wired directly to the battery with a 30 amp fuse in the way. I carry the charging attachment with me (female plug) and have used it on the road once. Wouldn't be without it, especially in a -4 where the battery is buried under the radio stack and center console. The 'male' fitting that goes on the console (or wherever) needs to be covered (simple aluminum plate) as this is a live connection and can short out if touched by, say, a leg zipper on a flight suit. Ask me how I know that. Gets your attention right away. The fuse needs to be easily accessible. Michael RV-4 N232 Suzie Q


    Message 5


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    Time: 05:50:03 AM PST US
    From: David Burden <hootsnik@sbcglobal.net>
    Subject: E-Mag/P-Mag
    --> RV-List message posted by: David Burden <hootsnik@sbcglobal.net> Listers, I am nearing the engine phase on my RV9A project and need some info prior to deciding on the final configuration of the power plant. Current plans for my ECI Lyc clone call for a Plasma III electronic ignition on one side and a standard mag on the other. The Lightspeed has a seperate computer controller which has to be mounted in the cabin which creates some complexity and adds weight while the emag is self contained. There is also an attractive difference in the cost of the emag vs the Lightspeed. What I don't have is any real world performance/reliability info regarding the emag/pmag system. Anybody out there have an emag or the emag/pmag combo with significant time on them who can share some real world experience: time on system, install difficulty, failure rate, performance, would you buy again, what about customer support? Cheers, db ps. I checked the archive--limited info.


    Message 6


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    Time: 06:00:50 AM PST US
    From: "Wayne @ Aircraft Engravers" <wayne@engravers.net>
    Subject: Re: External power socket
    --> RV-List message posted by: "Wayne @ Aircraft Engravers" <wayne@engravers.net> Michael, Why didn't you install the female fitting in the aircraft? For safety reasons almost every other type of appliance and electrical recepticals has the female portion mounted with the contacts sheilded from accidently contact. Was there a reason for doing it your way? Wayne > --> RV-List message posted by: "Kosta Lewis" <mikel@dimensional.com> > >>Has anyone installed an external power socket on their RV (for > charging, >>jump starting after leaving master on, etc).If so, what, where, how? > Other >thoughts? > > I used a connector for trailer hookup on a car/truck that is used for > hooking up trailer lights. I have it on the left side of the console and > have the wires placed to avoid pole reversal. It is lightweight, > inexpensive, readily available, unobtrusive and can be mounted > externally if necessary. The 'female' socket only goes in one way, and > can handle charging currents without worry about over-amping the wires. > It is wired directly to the battery with a 30 amp fuse in the way. I > carry the charging attachment with me (female plug) and have used it on > the road once. Wouldn't be without it, especially in a -4 where the > battery is buried under the radio stack and center console. > > The 'male' fitting that goes on the console (or wherever) needs to be > covered (simple aluminum plate) as this is a live connection and can > short out if touched by, say, a leg zipper on a flight suit. Ask me how > I know that. Gets your attention right away. The fuse needs to be easily > accessible. > > Michael > RV-4 N232 Suzie Q > > >


    Message 7


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    Time: 06:04:23 AM PST US
    Subject: Re: RV-List Digest: 29 Msgs - 04/05/05
    From: james f george <rv4george@juno.com>
    --> RV-List message posted by: james f george <rv4george@juno.com> Hi All: It is best to do let downs at about 4000 or 5000 feet on the first flight. You not only get used to the plane but also reveal any faults that show up. You can't hit the ground up there. Jim


    Message 8


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    Time: 06:08:38 AM PST US
    From: Ron Lee <ronlee@pcisys.net>
    Subject: Re: External power socket
    --> RV-List message posted by: Ron Lee <ronlee@pcisys.net> My plane has a single Positive connecting wire at the bottom of the cowl. Negative is the exhaust. Hook up the charger to those two points and you can recharge. Simple. Light weight. Ron Lee


    Message 9


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    Time: 06:23:32 AM PST US
    From: Ron Lee <ronlee@pcisys.net>
    Subject: Re: E-Mag/P-Mag
    --> RV-List message posted by: Ron Lee <ronlee@pcisys.net> I have perhaps 400 hours on a Plasma III and would install it again. Works great. Control box is in the engine compartment on the firewall. One problem that was apparently some sort of pin connection issue that cleared after reseating the connector. Support was great during the troubleshooting period. As far as weight, add up the total for the plasma and the emag unit and compare. Ron Lee


    Message 10


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    Time: 06:46:07 AM PST US
    From: "LarryRobertHelming" <lhelming@sigecom.net>
    Subject: Re: Source of supply - Mar-hyde primer (spray can)
    --> RV-List message posted by: "LarryRobertHelming" <lhelming@sigecom.net> I recall a top coat of paint is needed over the SW 988 primer. Friends are like angels who lift us to our feet when our wings have trouble remembering how to fly....unknown Indiana Larry, RV7 Tip Up > --> RV-List message posted by: RobHickman@aol.com > > John, > > I just switched to Sherwin Williams 988 in the can it is great stuff!!! > I > used to use the Mar-Hyde. > > I found it in the phone book in Portland under Sherwin Williams > Automotive. > > We just painted all the rudder parts for the RV-10 with it and it is very > durable and dries fast. I might never mix primer or clean a gun again!


    Message 11


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    Time: 10:35:34 AM PST US
    From: "czechsix@juno.com" <czechsix@juno.com>
    Subject: Re: Polishing scratches
    --> RV-List message posted by: "czechsix@juno.com" <czechsix@juno.com> Rick, I hate to even suggest this, but are you sure you didn't sand/buff through the thin alclad layer in an effort to remove the scratches? It doesn't take very much, and unfortunately if you did, it will NEVER buff out to the same high luster as the surrounding alclad...even if you get it just as smooth, the aluminum alloy has a slightly darker color to it than the pure aluminum on the surface. I hope this is not your problem but if it is, you'll just have to make it shine as well as you can and live with it : ( I have a polished spinner for my -8A and that's enough polish for me! Anything more and you have to be a real masochist to maintain it... --Mark Navratil Cedar Rapids, Iowa RV-8A N2D wiring... From: Rick Galati <rick6a@yahoo.com> Subject: RV-List: Polishing scratches --> RV-List message posted by: Rick Galati <rick6a@yahoo.com> What is the best way to eliminate minor surface defects and scratches in aluminum then buff same to a very high luster? I have used 2000 grit wet or dry to remove scratches on the affected airframe areas then applied Nuvite in one section and Mothers aluminum polish in another. I then buff out using a dedicated wool bonnet attached to my DeWalt electric buffer. I really can't say which product produces the highest luster. Both seem the same to me. In any event, I am still not happy with the depth of luster when compared to a pristine and polished alclad surface right next to it. What techniques should I be using to make the aluminum shine as bright as it possibly can? Rick Galati RV-6A "finished, not yet flying"


    Message 12


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    Time: 03:50:15 PM PST US
    From: "Clive Whittfield" <cazw@ihug.co.nz>
    Subject: Re Engine mount
    --> RV-List message posted by: "Clive Whittfield" <cazw@ihug.co.nz> Many thanks to those who replied to my question about the engine mount. I also put the question to Vans who recommended moving the mount up the required 1/8" to provide bolt clearance. I have decided to do this and all seems to be well so far. For those who suggested 'tweaking' the mount to fit with cargo straps etc, I doubt this would work on this particular mount as there are tubes welded vertically and horizontally between the mounting holes that would not allow any movement (Dynafocal mount on plan 50). This thing is solid! Clive Whittfield RV6 fuselage


    Message 13


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    Time: 05:00:10 PM PST US
    From: RGray67968@aol.com
    Subject: Re: propeller protection
    --> RV-List message posted by: RGray67968@aol.com Here's the real deal on the prop tape from someone who's been there........Don't waste your time with the UHMW tape...it's NOT the same....not even close. The 'prop' tape is soft and pliable, the UHMW is hard and stiff. The UHMW tape WILL start to peel on the edges in VERY short order. OK.....I've run the course on the prop tape. I use the 'less expensive' type that is MADE FOR PROPS. I get my tape from Tennessee Props in Tennessee. Ask for Larry....tell him 'the RV guy from Ohio sent you'.....smile. The first 2 times I put the tape on it came off in about 7-8 hours of flying. Actually, it didn't come off but it started to separate from one blade near the tip and I just ripped it off. I was using PPG 330 solvent to prep the prop before applying the tape. On the 3rd (and final so far) attempt I used isopropyl alcohol as recommended by Larry and the tape has now been on for about 100 hours and is still holding like the day I put it on and IMO it looks great. One BIG tip......radius the 'corners' before you put the tape on......looks nice and prevents the 'corner' (now radiused) from lifting. Bottom line is I like the way the tape protects my leading edge and even if it comes off tomorrow I'll replace it with new. My Hartzell leading edge looks like new after 100hrs....no nicks, scratches, or blemishes on the leading edge....period. However.....from trial/error AND speed tests I am very confident that my O-360 Hartzell C/S RV6 is about 5-7 mph FASTER with NO prop tape. That said I'm still leaving it on. I 'think' Larry charges 2 bucks per foot for the tape. Here's a link to the website.....I can't find the tape on there but he has it. Just call the phone number and he'll send it right out. Buy about 8 ft for $16 bucks + shipping and you can do your prop 2 times. http://www.tn-prop.com/ You can also spend a BUNCH more buckaroos and get the REAL DEAL tape that is made for the metal prop (my opinion.....NO THANKS)......it's basically the same 3M tape near as I can tell but twice the money. It's called "Prop Guard"......Spruce sells it on page 168 of the 2005 catalog.....or go here: http://www.aircraftspruce.com/catalog/appages/propguard.php Looks like ~$50 bucks with shipping. The are both 3M tape........Tennessee Prop stuff may be a tad 'thicker'. Also, I had the SAME experience as the other gent with the tape on my previous Warnke prop (love that Hartzell).......I lost 10mph on the top end and 500' to 600' on the rate of climb.....right now!! I could live with the speed loss but not the rate of climb....no thanks.....I took it off. Rick Gray in Ohio at the Buffalo Farm http://groups.yahoo.com/group/OhioValleyRVators/ Chuck, I wonder if one could use UHMW tape? From "The List" on Van's web site: TAPE UHMW 3"X10' CLEAR UHMW 4/6/7/8 $11.00 It doesn't have the center line, but I'll bet it's the same stuff....


    Message 14


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    Time: 05:03:22 PM PST US
    From: "Charles Rowbotham" <crowbotham@hotmail.com>
    Subject: S_N_F Vans get together ??
    --> RV-List message posted by: "Charles Rowbotham" <crowbotham@hotmail.com> Any plans for a get together at Sun-N-Fun ?? Chuck Rowbotham RV-8A


    Message 15


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    Time: 08:04:40 PM PST US
    From: MLWynn@aol.com
    Subject: Reusing nuts?
    --> RV-List message posted by: MLWynn@aol.com Hi folks, Just got done bolting the center hinge to the horizontal stabilizer. Figured out when it looked funny that I used the wrong washers. Changed them for the correct ones and then got to worrying if it is okay to use the same nylon locking nuts again. Thoughts? Michael RV8 Empennage


    Message 16


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    Time: 08:58:59 PM PST US
    From: Tedd McHenry <tedd@vansairforce.org>
    Subject: Re: Reusing nuts?
    --> RV-List message posted by: Tedd McHenry <tedd@vansairforce.org> On Wed, 6 Apr 2005 MLWynn@aol.com wrote: --snip-- > got to worrying if it is okay to use the same nylon locking nuts again. > Thoughts? Michael: AC 43.13 says, "When fiber-type self-locking nuts are reused, check the fiber carefully to make sure it has not lost its locking friction or become brittle. Do not reuse locknuts if they can be run up finger-tight." Carroll Smith ("Prepare to Win") says, "They [nylon locknuts] are reusable almost indefinitely. The rule of thumb is that if the steel thread is not visibly damaged and you cannot turn the nylon locking ring onto the bolt with your fingers, it is OK." Tedd McHenry Surrey, BC


    Message 17


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    Time: 10:01:46 PM PST US
    From: Tedd McHenry <tedd@vansairforce.org>
    Subject: Langley Fly-in 2005
    --> RV-List message posted by: Tedd McHenry <tedd@vansairforce.org> The fourth annual Langley (BC) Fly-in will be held on Saturday, June 4, 2005, at the Langley Township Regional Airport (CYNJ). Langley is about 20 nm northwest of Bellingham, WA. This is the annual fly-in for the Western Canada Wing. Keep an eye on the Fly-in web page for details, http://www.vansairforce.org/CYNJ U.S. visitors will find a link there to Randall Henderson's excellent web page that tells you everything you need to know about flying to Canada and returning to the U.S. We love to have U.S. RVers fly in, and I hope to see many of you there again this year. --- Tedd McHenry Van's Air Force Western Canada Wing tedd@vansairforce.org www.vansairforce.org


    Message 18


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    Time: 10:08:01 PM PST US
    From: "Matt Johnson" <matt@n559rv.com>
    Subject: AOA with Microcontroller...
    (not processed: message from valid local sender) --> RV-List message posted by: "Matt Johnson" <matt@n559rv.com> Has anyone created an AOA using a Microcontroller such as the PIC, AVR or Basic Stamp? - Matt


    Message 19


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    Time: 11:29:20 PM PST US
    From: "DEAN PSIROPOULOS" <dean.psiropoulos@verizon.net>
    Subject: RE: Engine Mount
    --> RV-List message posted by: "DEAN PSIROPOULOS" <dean.psiropoulos@verizon.net> I shot a Thanksgiving weekend on this one Clive. I have an RV-6A and waited until I got my engine mount to drill the firewall holes. Problem was, the upper left motor mount mounting boss was too high and if I just drilled it through the firewall I'd also have interference of the bolt head with the firewall weldment. So I talked to people on the phone, visited a few projects and realized that those folks who took it on faith that the mount would line up and went ahead and drilled pilot holes for jigging, without having the motor mount, often had problems later that resulted in having to final drill the mount offset one way or another. So I came away thinking I'd just move all the mounting holes down until the top mounting hole had sufficient clearance. Ha...ya right, I measured down and realized I could only move the bottom down about 1/8 to 3/16 before I'd start having troubles with clearance on the BOTTOM bolt hole. So I looked at the prints and measured the firewall bracket locations and the motor mount bolt hole locations and...just my luck, both the mounting bosses and the firewall brackets were out of tolerance in opposite directions. This really exacerbated the problem. Now really upset that I wasted 3-4 days with this (when I was expecting to drill the firewall and mount it on the jig and get on with some serious fuselage construction), I took the whole thing down to Van's and plopped it on their counter. I wanted THEM to fix the bracket on the firewall so that the mount would actually fit. After all it was their vendors (or them) who'd screwed both things up to begin with and I'd already paid them to fabricate this part in the first place. They wouldn't do that but instead, offered to give me a new steel weldment to replace the culprit on the back of the firewall (gee thanks). They also suggested one other thing and that was to see if the mount had enough play in it to allow the hole to be drilled slightly offset to obtain the needed bolt clearance. Needless to say, I left there very unhappy but went home to see if the mount had any play to work with. Fortunately the -6A motor mount has both upper arms independent at the firewall (no interconnecting tubes between them and the lower arms as on the taildragger mount) and viola, if I clamped the other mounting bosses to the firewall I could move the upper left mounting arm down just enough to make the hole clear. So I held it in that position and marked the hole. Then measured to make sure I had the clearance and finally drilled. Now that I've mounted the mount, it has a small amount of preload on the upper left arm. But steel is capable of handling this and I can move it to that position by hand so it's not like there is a lot of force on it. Nonetheless, it was just one more frustration in the process of building that I could have done without (parts that could have been designed with a bit more clearance or prefab parts that required major modification, ask me about my canopy frame). Hope you can make your motor mount work, I'd hate to think about having to rework a firewall weldment after riveting the fuselage together!! Yes Sam, you can thank me again for getting all the out-of-tolerance parts in my kit. Dean Psiropoulos RV-6A N197DM Wiring and plumbing Time: 03:43:52 AM PST US From: "Clive Whittfield" <cazw@ihug.co.nz> Subject: RV-List: Engine mount --> RV-List message posted by: "Clive Whittfield" <cazw@ihug.co.nz> A question from a Kiwi newbie. ...........if drilled to size the bolt head on the offending corner would interfere with the (correctly located) steel engine mount support.


    Message 20


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    Time: 11:40:49 PM PST US
    From: "DEAN PSIROPOULOS" <dean.psiropoulos@verizon.net>
    Subject: Gascolater
    --> RV-List message posted by: "DEAN PSIROPOULOS" <dean.psiropoulos@verizon.net> You folks running fuel injected engines and especially you guys with Airflow Performance pump and filter....are you using a gascolater in the fuel line and if so where and what has your experience been with it? A fellow RV-9A builder suggested that he would probably eliminate the gascolater because the AFP filter is very good and the gascolator is yet another item of line friction (along with the multiple 180 degree tubing bends in the AFP installation in the side by side airplanes) that he suspects may make for possible vapor lock conditions on hot days. What are your experiences with this set up? Would you recommend leaving the gascolator off with the AFP fuel filter or .....what? Thanks. Dean Psiropoulos RV-6A N197DM Getting off my previous rant




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