RV10-List Digest Archive

Sun 01/21/07


Total Messages Posted: 28



Today's Message Index:
----------------------
 
     1. 04:00 AM - Pitch Trim Bellcrank Assembly (dmaib@mac.com)
     2. 05:43 AM - Re: Battery Charger? (Ralph E. Capen)
     3. 05:45 AM - Re: Battery Charger? (Marcus Cooper)
     4. 06:12 AM - TruTrak DFC 250 AS For Sale (MikeEasley@aol.com)
     5. 06:40 AM - Re: Pitch Trim Bellcrank Assembly (Tim Olson)
     6. 07:08 AM - Re: Pitch Trim Bellcrank Assembly (Dave Lammers)
     7. 07:13 AM - Re: Battery Charger? (ddddsp1@juno.com)
     8. 07:22 AM - Re: Baggage door lock (Jim & Julie Wade)
     9. 08:20 AM - Re: Pitch Trim Bellcrank Assembly (David Maib)
    10. 08:33 AM - Baggage door hinge, hardware shortage. (John Gonzalez)
    11. 08:51 AM - Re: Battery Charger? (John Hasbrouck)
    12. 08:58 AM - DFC 250 Sold! (MikeEasley@aol.com)
    13. 10:20 AM - Re: Baggage door hinge, hardware shortage. (Deems Davis)
    14. 10:35 AM - Re: Battery Charger? (ddddsp1@juno.com)
    15. 03:28 PM - Elevator counterbalance weight (Rick Leach)
    16. 03:38 PM - Re: Elevator counterbalance weight (JSMcGrew@aol.com)
    17. 03:40 PM - Re: Re: Baggage door lock (Sean Stephens)
    18. 04:18 PM - Re: Battery Charger? (RV Builder (Michael Sausen))
    19. 04:49 PM - Re: Elevator counterbalance weight (Carl Froehlich)
    20. 04:54 PM - Re: Elevator counterbalance weight (Tim Olson)
    21. 05:25 PM - Re: Shop Organization (rleffler)
    22. 05:42 PM - Re: Re: Shop Organization (RV Builder (Michael Sausen))
    23. 06:00 PM - Re: Battery Charger? (rv10builder)
    24. 08:16 PM - Re: Elevator counterbalance weight (Marvin Mixon)
    25. 08:57 PM - Re: Elevator counterbalance weight (John Gonzalez)
    26. 09:52 PM - Re: Elevator counterbalance weight (ddddsp1@juno.com)
    27. 10:40 PM - Re: Elevator counterbalance weight (Ben Westfall)
    28. 10:48 PM - Re: Elevator counterbalance weight (John W. Cox)
 
 
 


Message 1


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    Time: 04:00:08 AM PST US
    Subject: Pitch Trim Bellcrank Assembly
    From: "dmaib@mac.com" <dmaib@mac.com>
    Worked on the trim bellcrank assembly last night and seemed to have some rotational binding of the F-1095B bellcrank when assembled. We took it apart and sanded the two thin spacer washers as instructed. We went through this drill a couple of times without much improvement. The bellcrank moves very freely on the bolt, but is still binding a bit on the spacer washers. I am wondering just how free the bellcrank should rotate. I would hate to get it to the point where I begin to have side play. -------- David Maib RV-10 #40559 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=89217#89217


    Message 2


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    Time: 05:43:15 AM PST US
    From: "Ralph E. Capen" <recapen@earthlink.net>
    Subject: Re: Battery Charger?
    SafeAir1 has one with a connector that can be accessed from the oil filler door. ----- Original Message ----- From: "rv10builder" <rv10builder@bellsouth.net> Sent: Saturday, January 20, 2007 11:38 PM Subject: RV10-List: Battery Charger? > > I've installed in my semi-completed -10 the the Van's recommended Concorde > RG-25XC and need to put it on charge while it's sitting in the garage. > Any recommendations for a small, three-step charger? Here are a couple I > have found: > > batterytender.com/product_info.php?products_id=4 > northerntool.com/webapp/wcs/stores/servlet/product_6970_197012_197012 > > Thanks in advance! > > Brian > #40308 > http://www.mykitlog.com/rv10builder > > >


    Message 3


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    Time: 05:45:09 AM PST US
    From: "Marcus Cooper" <coop85@bellsouth.net>
    Subject: Battery Charger?
    Dean, any more info on this. Looks like the details didn't make it to the forum. Thanks, Marcus Do not archive _____ From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of ddddsp1@juno.com Sent: Sunday, January 21, 2007 1:05 AM Subject: Re: RV10-List: Battery Charger? Check this one out............it is the size of a pack of gum. Ordered mine last week. This is the best price site on it also.. Dean 40449 ________________________________________________________________________ Interested <http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/front.ht m?csp=24> in getting caught up on today's news? Click here to checkout USA TODAY Headlines.


    Message 4


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    Time: 06:12:33 AM PST US
    From: MikeEasley@aol.com
    Subject: TruTrak DFC 250 AS For Sale
    I have a TruTrak DFC 250 AS autopilot for sale. It's been in my plane for a couple years and now I'm replacing it with a Sorcerer. TruTrak will only discount the Sorcerer $2,100 if I trade in my DFC 250. I thought there might be someone out there who didn't care about GPSV and would like a great deal on the autopilot. The Sorcerer slides into the exact same tray, same wiring, etc. so the buyer would get the brand new Sorcerer tray and hardware. You would need to buy servos, about $2,200 for an RV 10. I'm not making any money on this, just thought someone would want just about all the bells and whistles TruTrak offers for about half price. First $2,100 get it. Mike Easley Colorado Springs


    Message 5


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    Time: 06:40:49 AM PST US
    From: Tim Olson <Tim@MyRV10.com>
    Subject: Re: Pitch Trim Bellcrank Assembly
    You want that bellcrank to move pretty freely. Mine is loose without being overly sloppy. It must be from the positional mounting of those 2 angle pieces that caused you to have a slightly tighter fit than normal. Mine was pretty good just with the standard washers and no sanding. Even if you had a tiny bit of side play, it probably wouldn't be a huge problem. The one thing you absolutely want to watch for on this assembly though is that you will probably find that the bolt as it rotates thru the slot, gets very close to the frame, and could possibly hang up if everything had enough play in it. So you will probably want to file a bit on the frame part of the assemby where the bolt goes through, to give a little extra clearance. Tim Olson - RV-10 N104CD - Flying do not archive dmaib@mac.com wrote: > > Worked on the trim bellcrank assembly last night and seemed to have > some rotational binding of the F-1095B bellcrank when assembled. We > took it apart and sanded the two thin spacer washers as instructed. > We went through this drill a couple of times without much > improvement. The bellcrank moves very freely on the bolt, but is > still binding a bit on the spacer washers. I am wondering just how > free the bellcrank should rotate. I would hate to get it to the point > where I begin to have side play. > > -------- David Maib RV-10 #40559 > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=89217#89217 > >


    Message 6


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    Time: 07:08:49 AM PST US
    From: Dave Lammers <davelammers@mchsi.com>
    Subject: Re: Pitch Trim Bellcrank Assembly
    David, I just finished this step last night and had the same problem/question. You do want free motion with no play and that means: The washers need to be thinned A LOT!!!. If you have the right measuring tools you can measure the gap and then sand away at the washers until the two of them equal the size of the gap. From these measurements you will see that you need to do a lot of sanding. This may sound silly but I taped (double sided) them to my index and middle finger and went back and forth on a file (pausing occasionally to let my fingers cool down). It took about 400 strokes on the file to get them to my target dimensions. Then I installed them, no side play and smooth running. No magic bullet here. Just some work. Dave Lammers fuselage dmaib@mac.com wrote: > >Worked on the trim bellcrank assembly last night and seemed to have some rotational binding of the F-1095B bellcrank when assembled. We took it apart and sanded the two thin spacer washers as instructed. We went through this drill a couple of times without much improvement. The bellcrank moves very freely on the bolt, but is still binding a bit on the spacer washers. I am wondering just how free the bellcrank should rotate. I would hate to get it to the point where I begin to have side play. > >-------- >David Maib >RV-10 #40559 > > >Read this topic online here: > >http://forums.matronics.com/viewtopic.php?p=89217#89217 > > >--------------------------------------------------------------------------------------------------- >Text inserted by Panda Platinum 2005 Internet Security: > > This message has NOT been classified as spam. If it is unsolicited mail (spam), click on the following link to reclassify it: http://127.0.0.1:6083/Panda?ID=pav_40584&SPAM=true >--------------------------------------------------------------------------------------------------- > > > >


    Message 7


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    Time: 07:13:15 AM PST US
    From: "ddddsp1@juno.com" <ddddsp1@juno.com>
    Subject: Battery Charger?
    Sorry........helps to put the link in the email! :) http://www.cyclegiant.com/pgroup_descrip/3167/4707/?return=%3ftpl%3Din dex%26category_id%3D3167%26 Dean 40449 ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/f ront.htm?csp=24 <html><P>Sorry........helps to put the link in the email!&nbsp;&nbsp; :) </P> <P><A href="http://www.cyclegiant.com/pgroup_descrip/3167/4707/?return =%3ftpl%3Dindex%26category_id%3D3167%26">http://www.cyclegiant.com/pgr oup_descrip/3167/4707/?return=%3ftpl%3Dindex%26category_id%3D3167%26</ A></P> <P>&nbsp;</P> <P>Dean 40449</P> <font face="Times-New-Roman" size="2"><br><br>______________________ __________________________________________________<br> <a href="http://track.juno.com/s/lc?s=198954&u=http://www.usatoday .com/news/front.htm?csp=24">Interested in getting caught up on today's news?<br> Click here to checkout USA TODAY Headlines.</a><br></font> <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html>


    Message 8


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    Time: 07:22:25 AM PST US
    Subject: Re: Baggage door lock
    From: "Jim &amp; Julie Wade" <jwade@msdeltawireless.com>
    I use this one, love not having to use a key!!! Yes, a little drag, but worth it to me. http://www.rockler.com/ecom7/product_details.cfm?cookietest=1&&offerings_id=11231 Jim N369JW 65 hrs Read this topic online here: http://forums.matronics.com/viewtopic.php?p=89246#89246


    Message 9


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    Time: 08:20:28 AM PST US
    From: David Maib <dmaib@mac.com>
    Subject: Re: Pitch Trim Bellcrank Assembly
    Thanks Dave and Tim O. We are heading to the hangar to file some washers! David Maib #40559 do not archive On Jan 21, 2007, at 9:08 AM, Dave Lammers wrote: David, I just finished this step last night and had the same problem/ question. You do want free motion with no play and that means: The washers need to be thinned A LOT!!!. If you have the right measuring tools you can measure the gap and then sand away at the washers until the two of them equal the size of the gap. From these measurements you will see that you need to do a lot of sanding. This may sound silly but I taped (double sided) them to my index and middle finger and went back and forth on a file (pausing occasionally to let my fingers cool down). It took about 400 strokes on the file to get them to my target dimensions. Then I installed them, no side play and smooth running. No magic bullet here. Just some work. Dave Lammers fuselage dmaib@mac.com wrote: > > Worked on the trim bellcrank assembly last night and seemed to have > some rotational binding of the F-1095B bellcrank when assembled. We > took it apart and sanded the two thin spacer washers as instructed. > We went through this drill a couple of times without much > improvement. The bellcrank moves very freely on the bolt, but is > still binding a bit on the spacer washers. I am wondering just how > free the bellcrank should rotate. I would hate to get it to the > point where I begin to have side play. > > -------- > David Maib > RV-10 #40559 > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=89217#89217 > > > ---------------------------------------------------------------------- > ----------------------------- > Text inserted by Panda Platinum 2005 Internet Security: > > This message has NOT been classified as spam. If it is unsolicited > mail (spam), click on the following link to reclassify it: http:// > 127.0.0.1:6083/Panda?ID=pav_40584&SPAM=true > ---------------------------------------------------------------------- > ----------------------------- > >


    Message 10


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    Time: 08:33:19 AM PST US
    From: "John Gonzalez" <indigoonlatigo@msn.com>
    Subject: Baggage door hinge, hardware shortage.
    I am jumping around on the plans so much that I can't keep my logs in kitpro straight. In any case I finished the install of my baggage door yesterday eventhough the closeout panel is still clecoes. The door functions very well but I needed to englarge the opening directly above the hinge pin to allow the pin to be inserted. The Hinge is only ever so slightly in the airstream, which is good, but it made the insertion of the pin difficult. The fit of the door is excellent, thank all for the input. Chris Johnson, crimping the frame did work for me. I am planning on laminating on a piece of aluminum to the aluminum angle which serves as a door stop right above the top of the hing pin( only after all the painting interior and exterior is completed). Some filler will also be used, but one this is done the pin will no longer be removable. The piece of aluminum will provide backing to the filler and prevent insects from getting in while the plane is on the ground. Did any one else experience this or did you put the hing far enough out that this is not a problem? On another note, I was missing two #8 dimpled nutplates, the kit only give two and four are needed, for the rear seats, for tacking down the seat bottoms. Lastly, I have made two seperate orders for LP4-3 blind rivets, 100 each time and I am hoping I won't need anymore. The kit seemed short on these by atleast 100-150. JOhn G.


    Message 11


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    Time: 08:51:56 AM PST US
    From: "John Hasbrouck" <jhasbrouck@woh.rr.com>
    Subject: Re: Battery Charger?
    Is the charger 6 or 12 volt? Maybe I missed it in the specs.


    Message 12


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    Time: 08:58:25 AM PST US
    From: MikeEasley@aol.com
    Subject: DFC 250 Sold!
    Thanks everyone. I had several responses, selected the first one to arrive in my in-box and it's sold. Mike Easley


    Message 13


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    Time: 10:20:36 AM PST US
    From: Deems Davis <deemsdavis@cox.net>
    Subject: Re: Baggage door hinge, hardware shortage.
    John, I ended up in exactly the same situation as you. http://deemsrv10.com/album/Sec%2034%20Baggage%20Door/slides/DSC02782.html with almost the same plan to fix, However, I believe that if I Pro Seal a metal 'filler plate to the upper inside of the door itself, and then fill that with body filler to hide any seam, that when the door opens it should provide access to allow for the hinge pin to be removed. (At least that's the plan) Deems Davis # 406 Finishing - ( A Misnomer ! ) http://deemsrv10.com/ >


    Message 14


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    Time: 10:35:45 AM PST US
    From: "ddddsp1@juno.com" <ddddsp1@juno.com>
    Subject: Re: Battery Charger?
    12 volt ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/f ront.htm?csp=24 <html>12 volt <font face="Times-New-Roman" size="2"><br><br>______________________ __________________________________________________<br> <a href="http://track.juno.com/s/lc?s=198954&u=http://www.usatoday .com/news/front.htm?csp=24">Interested in getting caught up on today's news?<br> Click here to checkout USA TODAY Headlines.</a><br></font> <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html>


    Message 15


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    Time: 03:28:32 PM PST US
    From: "Rick Leach" <papadaddyo@tampabay.rr.com>
    Subject: Elevator counterbalance weight
    OK, call me dumb and I know, always measure twice and saw once. You guessed it, I trimmed one elevator counterbalance weight wrong and cut a bit too much off. How will this affect the elevator and rigging later on? Should I suck it up and get a new weight or go with this one? It's probably only a few ounces off. I haven't weighed it. Rick Leach 40397


    Message 16


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    Time: 03:38:47 PM PST US
    From: JSMcGrew@aol.com
    Subject: Re: Elevator counterbalance weight
    Properly mass balanced control surfaces are important for reducing the effects of pilot induced oscillation (PIO) and flutter. This is one place wh ere I would be especially careful to follow Van's plans precisely, as they have done the math and engineering on this for us. Jim 40134 In a message dated 1/21/2007 6:30:20 P.M. Eastern Standard Time, papadaddyo@tampabay.rr.com writes: OK, call me dumb and I know, always measure twice and saw once. You guesse d it, I trimmed one elevator counterbalance weight wrong and cut a bit too much off. How will this affect the elevator and rigging later on? Should I suck it up and get a new weight or go with this one? It=99s probably only a few ounces off. I haven=99t weighed it. Rick Leach 40397 (http://www.matronics.com/Navigator?RV10-List) Jim "Scooter" McGrew _http://www.mit.edu/~jsmcgrew_ (http://www.mit.edu/~jsmcgrew)


    Message 17


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    Time: 03:40:45 PM PST US
    From: Sean Stephens <sean@stephensville.com>
    Subject: Re: Baggage door lock
    I saw this product a while ago, but was wondering about the weathering properties of Zinc? -Sean #40303 On Jan 21, 2007, at 9:22 AM, Jim &amp; Julie Wade wrote: > <jwade@msdeltawireless.com> > > I use this one, love not having to use a key!!! Yes, a little drag, > but worth it to me. http://www.rockler.com/ecom7/ > product_details.cfm?cookietest=1&&offerings_id=11231 > Jim > N369JW > 65 hrs > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=89246#89246 > >


    Message 18


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    Time: 04:18:07 PM PST US
    Subject: Battery Charger?
    From: "RV Builder (Michael Sausen)" <rvbuilder@sausen.net>
    Yep, had one on my Harley for about a year and it fried. Switched to a Battery Tender Jr and haven't looked back. Michael Sausen -10 #352 limbo From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of ddddsp1@juno.com Sent: Sunday, January 21, 2007 9:11 AM Subject: RE: RV10-List: Battery Charger? Sorry........helps to put the link in the email! :) http://www.cyclegiant.com/pgroup_descrip/3167/4707/?return=%3ftpl%3Dind e x%26category_id%3D3167%26 Dean 40449 ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. <http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/f ron t.htm?csp=24>


    Message 19


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    Time: 04:49:18 PM PST US
    From: "Carl Froehlich" <carl.froehlich@cox.net>
    Subject: Elevator counterbalance weight
    While on the subject, I sent a note to Van's asking about adding additional weight to the counterbalance as the trailing edge of the elevators are significantly heavy with the per plans counterbalance. This was different than that experience when building my RV-8A. Van's response was it is normal for the elevator trialing edges to droop down. The response did not however answer my question about need to add weight or not. What are others doing? Carl Froehlich RV-10 (wings) RV-8A (300 hrs) -----Original Message----- From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com]On Behalf Of JSMcGrew@aol.com Sent: Sunday, January 21, 2007 6:38 PM To: rv10-list@matronics.com Subject: Re: RV10-List: Elevator counterbalance weight Properly mass balanced control surfaces are important for reducing the effects of pilot induced oscillation (PIO) and flutter. This is one place where I would be especially careful to follow Van's plans precisely, as they have done the math and engineering on this for us. Jim 40134 In a message dated 1/21/2007 6:30:20 P.M. Eastern Standard Time, papadaddyo@tampabay.rr.com writes: OK, call me dumb and I know, always measure twice and saw once. You guessed it, I trimmed one elevator counterbalance weight wrong and cut a bit too much off. How will this affect the elevator and rigging later on? Should I suck it up and get a new weight or go with this one? It=99s probably only a few ounces off. I haven=99t weighed it. Rick Leach 40397 ="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.co m/Navigator?RV10-List .matronics.com/">http://forums.matronics.com Jim "Scooter" McGrew http://www.mit.edu/~jsmcgrew


    Message 20


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    Time: 04:54:27 PM PST US
    From: Tim Olson <Tim@MyRV10.com>
    Subject: Re: Elevator counterbalance weight
    Take no chances here. It's worth the shipping to get a new part. Tim Olson - RV-10 N104CD - Flying do not archive Rick Leach wrote: > OK, call me dumb and I know, always measure twice and saw once. You > guessed it, I trimmed one elevator counterbalance weight wrong and cut a > bit too much off. How will this affect the elevator and rigging later > on? Should I suck it up and get a new weight or go with this one? Its > probably only a few ounces off. I havent weighed it. > > > > Rick Leach > > 40397 > > *


    Message 21


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    Time: 05:25:42 PM PST US
    Subject: Re: Shop Organization
    From: "rleffler" <rvmail@thelefflers.com>
    Thanks for all the comments! I ended up getting these: http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=93929 They were onsale for $2.50 this week. Four of them handled all the bags in the empennage kit. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=89393#89393


    Message 22


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    Time: 05:42:39 PM PST US
    Subject: Re: Shop Organization
    From: "RV Builder (Michael Sausen)" <rvbuilder@sausen.net>
    Sounds good, I'm fairly local to OSH (just north of Appleton) so I'm just heading back home afterwards if nothing is going on. I took the electrical class about a year ago, even though I feel I'm fairly competent, and it was worthwhile. Michael Sausen -10 #352 Fuselage Do not archive -----Original Message----- From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Bob Collins Sent: Saturday, January 20, 2007 11:47 AM Subject: RV10-List: Re: Shop Organization <bcollinsrv7a@comcast.net> rvbuilder(at)sausen.net wrote: > Speaking of the Sportair workshops, anyone going to be at next weekends > in OSH? I'll be at the composite class. I'm a repeat offender of them > and always learn something. > > Michael > Do not archive > > -- Funny you should ask. I just posted something on the Yahoogroup with the same question. I'll be there (avionics and electrical wiring) with another RV-building bud (7's). I think it would be cool to try to get a group together for dinner Saturday night. -------- Bob Collins St. Paul, Minn. RV Builder's Hotline (free!) http://rvhotline.expercraft.com Read this topic online here: http://forums.matronics.com/viewtopic.php?p=89109#89109


    Message 23


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    Time: 06:00:19 PM PST US
    From: rv10builder <rv10builder@bellsouth.net>
    Subject: Re: Battery Charger?
    I think that's the one I am going to buy. From the looks of their WEB site I should be able to pick it up at the local Harley shop. Thanks, Brian #40308 http://www.mykitlog.com/rv10builder RV Builder (Michael Sausen) wrote: > > Yep, had one on my Harley for about a year and it fried. Switched to a > Battery Tender Jr and havent looked back. > > Michael Sausen > > -10 #352 limbo > > *From:* owner-rv10-list-server@matronics.com > [mailto:owner-rv10-list-server@matronics.com] *On Behalf Of > *ddddsp1@juno.com > *Sent:* Sunday, January 21, 2007 9:11 AM > *To:* rv10-list@matronics.com > *Subject:* RE: RV10-List: Battery Charger? > > Sorry........helps to put the link in the email! :) > > http://www.cyclegiant.com/pgroup_descrip/3167/4707/?return=%3ftpl%3Dindex%26category_id%3D3167%26 > > Dean 40449 > > > ________________________________________________________________________ > Interested in getting caught up on today's news? > Click here to checkout USA TODAY Headlines. > <http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/front.htm?csp=24> > > * * > * * > ** > ** > ** > ** > ** > ** > *http://www.matronics.com/Navigator?RV10-List* > ** > ** > ** > *http://forums.matronics.com* > ** > * * > * > > > *


    Message 24


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    Time: 08:16:49 PM PST US
    From: "Marvin Mixon" <mmixon@fastspot.net>
    Subject: Elevator counterbalance weight
    Now I am becoming concerned. How does one know if he cut off too much? How much are the weights supposed to weigh after mounting? How much difference between the two sides is acceptable? Marvin Mixon 40633 _____ From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Carl Froehlich Sent: Sunday, January 21, 2007 6:49 PM Subject: RE: RV10-List: Elevator counterbalance weight While on the subject, I sent a note to Van's asking about adding additional weight to the counterbalance as the trailing edge of the elevators are significantly heavy with the per plans counterbalance. This was different than that experience when building my RV-8A. Van's response was it is normal for the elevator trialing edges to droop down. The response did not however answer my question about need to add weight or not. What are others doing? Carl Froehlich RV-10 (wings) RV-8A (300 hrs) -----Original Message----- From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com]On Behalf Of JSMcGrew@aol.com Sent: Sunday, January 21, 2007 6:38 PM Subject: Re: RV10-List: Elevator counterbalance weight Properly mass balanced control surfaces are important for reducing the effects of pilot induced oscillation (PIO) and flutter. This is one place where I would be especially careful to follow Van's plans precisely, as they have done the math and engineering on this for us. Jim 40134 In a message dated 1/21/2007 6:30:20 P.M. Eastern Standard Time, papadaddyo@tampabay.rr.com writes: OK, call me dumb and I know, always measure twice and saw once. You guessed it, I trimmed one elevator counterbalance weight wrong and cut a bit too much off. How will this affect the elevator and rigging later on? Should I suck it up and get a new weight or go with this one? It=92s probably only a few ounces off. I haven=92t weighed it. Rick Leach 40397 ="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.co m/Nav igator?RV10-List .matronics.com/">http://forums.matronics.com Jim "Scooter" McGrew HYPERLINK "http://www.mit.edu/~jsmcgrew"http://www.mit.edu/~jsmcgrew href="http://www.matronics.com/Navigator?RV10-List">http://www.matronic s.com /Navigator?RV10-List href="http://forums.matronics.com">http://forums.matronics.com "http://www.matronics.com/Navigator?RV10-List"http://www.matronics.com/Na vig ator?RV10-List "http://forums.matronics.com"http://forums.matronics.com 1/20/2007 10:31 PM -- 1/20/2007 10:31 PM


    Message 25


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    Time: 08:57:21 PM PST US
    From: "John Gonzalez" <indigoonlatigo@msn.com>
    Subject: Elevator counterbalance weight
    Get a new one. I used a band saw for the rough cut and finished it with a vixen file. Dumb is not cutting it incorrectly. Dumb is cutting it incorrectly and then realizing it and then using it. This is the kind of thing that should be eating away at your brain even before the plane gets airborn. If not now, then certainly when you are in the air. Just think of that little voice you hear now being amplified by 1000 times when something sounds incorrect when in the air or doesn't feel right and then multiply it by all the other items you questioned during the building process. Too much imput for me. Just do it correctly, it makes it a lot easier in the end and a lot safer. Just my thoughts. John G. 409 >From: "Rick Leach" <papadaddyo@tampabay.rr.com> >To: <rv10-list@matronics.com> >Subject: RV10-List: Elevator counterbalance weight >Date: Sun, 21 Jan 2007 18:27:30 -0500 > >OK, call me dumb and I know, always measure twice and saw once. You >guessed >it, I trimmed one elevator counterbalance weight wrong and cut a bit too >much off. How will this affect the elevator and rigging later on? Should >I >suck it up and get a new weight or go with this one? It's probably only a >few ounces off. I haven't weighed it. > > >Rick Leach > >40397 >


    Message 26


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    Time: 09:52:57 PM PST US
    From: "ddddsp1@juno.com" <ddddsp1@juno.com>
    Subject: Elevator counterbalance weight
    So how many people are having an A&P BALANCE all the control surfaces af ter completing the plane and painting it? All certified aircraft must have the control surfaces balanced after pai nting? Dean 40449 ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/f ront.htm?csp=24 <html><P>So how many people are having an A&amp;P BALANCE all the contro l surfaces after completing the plane and painting it?&nbsp;&nbsp;&nbsp; </P> <P>All certified aircraft must have the control surfaces balanced after painting?</P> <P>Dean 40449</P> <font face="Times-New-Roman" size="2"><br><br>______________________ __________________________________________________<br> <a href="http://track.juno.com/s/lc?s=198954&u=http://www.usatoday .com/news/front.htm?csp=24">Interested in getting caught up on today's news?<br> Click here to checkout USA TODAY Headlines.</a><br></font> <pre><b><font size=2 color="#000000" face="courier new,courier"> </b></font></pre></body></html>


    Message 27


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    Time: 10:40:18 PM PST US
    From: "Ben Westfall" <rv10@sinkrate.com>
    Subject: Elevator counterbalance weight
    Define ".a bit too much off."? Is it a significant percentage say more than 10% of the weight? If so you probably should order some new lead but if not then I would just wait and see after balancing them. I wouldn't loose a ton of sleep over it either. You are going to balance the control surfaces before flying right? If you don't have to add weight to get them balanced then consider your screw up really a fix but If you do need to add weight then its time to order some new lead. Van's is 20min by car from my house though so I usually don't consider the time involved to get new ones (just the time off work since the place is usually a ghost town at 4:30pm). I have not installed or balanced my elevators on the 10 yet but I have on a RV9A and a RV4. In both cases the weights that we started with were too heavy and needed some significant trimming to be considered balanced. Everyone's planes will be different as some builders proseal the trailing edges and others don't. How about the weight differences in the trim cable anchor brackets from van's vs. some of the aftermarket ones? My point being Van's can't supply you with the exact counterweight 100% of the time. The 4 & the 9 that I fly have balanced control surfaces and do not "droop" as one person said. Despite my repeated efforts neither of them have fallen out of the sky :-). Ben Westfall #40579 - Gas Tanks.. still Portland, OR _____ From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Marvin Mixon Sent: Sunday, January 21, 2007 8:16 PM Subject: RE: RV10-List: Elevator counterbalance weight Now I am becoming concerned. How does one know if he cut off too much? How much are the weights supposed to weigh after mounting? How much difference between the two sides is acceptable? Marvin Mixon 40633 _____ From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Carl Froehlich Sent: Sunday, January 21, 2007 6:49 PM Subject: RE: RV10-List: Elevator counterbalance weight While on the subject, I sent a note to Van's asking about adding additional weight to the counterbalance as the trailing edge of the elevators are significantly heavy with the per plans counterbalance. This was different than that experience when building my RV-8A. Van's response was it is normal for the elevator trialing edges to droop down. The response did not however answer my question about need to add weight or not. What are others doing? Carl Froehlich RV-10 (wings) RV-8A (300 hrs) -----Original Message----- From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com]On Behalf Of JSMcGrew@aol.com Sent: Sunday, January 21, 2007 6:38 PM Subject: Re: RV10-List: Elevator counterbalance weight Properly mass balanced control surfaces are important for reducing the effects of pilot induced oscillation (PIO) and flutter. This is one place where I would be especially careful to follow Van's plans precisely, as they have done the math and engineering on this for us. Jim 40134 In a message dated 1/21/2007 6:30:20 P.M. Eastern Standard Time, papadaddyo@tampabay.rr.com writes: OK, call me dumb and I know, always measure twice and saw once. You guessed it, I trimmed one elevator counterbalance weight wrong and cut a bit too much off. How will this affect the elevator and rigging later on? Should I suck it up and get a new weight or go with this one? It's probably only a few ounces off. I haven't weighed it. Rick Leach 40397 ="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.com/Nav igator?RV10-List .matronics.com/">http://forums.matronics.com Jim "Scooter" McGrew http://www.mit.edu/~jsmcgrew href="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.com /Navigator?RV10-List href="http://forums.matronics.com">http://forums.matronics.com -- Date: 1/20/2007 10:31 PM -- 1/20/2007 10:31 PM


    Message 28


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    Time: 10:48:28 PM PST US
    Subject: Elevator counterbalance weight
    From: "John W. Cox" <johnwcox@pacificnw.com>
    Count me in. Wouldn't pilot one that hasn't been. Sometimes ride passenger in those who didn't cause a love RV-10s and think the world of those guys and gals who are done building. Given the warning by VANS about flutter and VNE limits, it sounds pretty important doesn't it? John Cox #40600 ________________________________ From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of ddddsp1@juno.com Sent: Sunday, January 21, 2007 9:50 PM Subject: RE: RV10-List: Elevator counterbalance weight So how many people are having an A&P BALANCE all the control surfaces after completing the plane and painting it? All certified aircraft must have the control surfaces balanced after painting? Dean 40449 ________________________________________________________________________ Interested in getting caught up on today's news? Click here to checkout USA TODAY Headlines. <http://track.juno.com/s/lc?s=198954&u=http://www.usatoday.com/news/f ron t.htm?csp=24>




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