RV10-List Digest Archive

Mon 07/27/15


Total Messages Posted: 22



Today's Message Index:
----------------------
 
     1. 05:46 AM - Cleveland brake parts (David)
     2. 06:55 AM - Re: Cleveland brake parts (Linn Walters)
     3. 08:59 AM - Bonding fiberglass to plexiglass (rvdave)
     4. 10:19 AM - Re: KOSH Parking (kearney)
     5. 10:26 AM - Soundproofing (kearney)
     6. 10:27 AM - Re: Re: KOSH Parking (Bob Condrey)
     7. 10:49 AM - Re: Soundproofing (Danny Riggs)
     8. 10:50 AM - Re: Soundproofing (Pascal)
     9. 11:17 AM - Re: Bonding fiberglass to plexiglass (Ed Kranz)
    10. 12:41 PM - Re: Soundproofing (kearney)
    11. 12:47 PM - Re: Bonding fiberglass to plexiglass (Tim Olson)
    12. 01:42 PM - Re: Bonding fiberglass to plexiglass (Kelly McMullen)
    13. 03:15 PM - Re: flo scan (cjay)
    14. 04:07 PM - Re: Soundproofing (Bob Turner)
    15. 04:48 PM - Re: Re: Soundproofing (Les Kearney)
    16. 05:07 PM - Re: Soundproofing (Bob Turner)
    17. 05:19 PM - Re: Re: Soundproofing (Pascal)
    18. 05:57 PM - Re: Re: Soundproofing (Jesse Saint)
    19. 06:06 PM - Re: Re: Soundproofing (Miller John)
    20. 06:57 PM - Re: plexiglass bond to fiberglass (rvdave)
    21. 08:01 PM - Re: Cleveland brake parts (David Saylor)
    22. 09:09 PM - V Speeds (kearney)
 
 
 


Message 1


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    Time: 05:46:53 AM PST US
    From: "David" <dlm34077@cox.net>
    Subject: Cleveland brake parts
    I have used Cleveland brake parts; I was one of the original prototypes for the Matco wheels and brakes, so removed and stored used brakes parts. Also have box of pads (8?) left. Email me directly if you are interested. For new builders, the Matco wheels and brakes are the way to go. David --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus


    Message 2


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    Time: 06:55:37 AM PST US
    Subject: Re: Cleveland brake parts
    From: Linn Walters <flying-nut@cfl.rr.com>
    If they're not already spoke for ..... I have a few other airplanes with Cleveland stuff .... Linn On 7/27/2015 8:43 AM, David wrote: > > I have used Cleveland brake parts; I was one of the original > prototypes for the Matco wheels and brakes, so removed and stored used > brakes parts. Also have box of pads (8?) left. Email me directly if > you are interested. For new builders, the Matco wheels and brakes are > the way to go. > > David > > > ------------------------------------------------------------------------ > Avast logo <https://www.avast.com/antivirus> > > This email has been checked for viruses by Avast antivirus software. > www.avast.com <https://www.avast.com/antivirus> > > > http://www.matronics.com/contribution > > No virus found in this message. > Checked by AVG - www.avg.com <http://www.avg.com> >


    Message 3


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    Time: 08:59:19 AM PST US
    Subject: Bonding fiberglass to plexiglass
    From: "rvdave" <rv610dave@gmail.com>
    Recently I glassed around cabin rear windows after sanding with 80 and wiping with acetone and paper towel. That was about two months ago, now sanding near the taped edge I noticed it peeling up, testing an area showed no bond to plex. Thinking I apparently didn't sand deep enough into plex to get a good bond. Using West epoxy--the glass bonded excellent to the cabin top. I ended up peeling and cutting away unbonded glass to plex for a redo. What went wrong and what should I do for a confident bond? -------- Dave Ford RV6 for sale RV10 building Cadillac, MI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445248#445248


    Message 4


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    Time: 10:19:43 AM PST US
    Subject: Re: KOSH Parking
    From: "kearney" <kearney@shaw.ca>
    Hi Bob Thanks for the tip on the plywood squares. When I was parked, my wheels started to sink almost immediately. After I rolled up on the squares the problem was solved. Cheers Les Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445263#445263


    Message 5


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    Time: 10:26:40 AM PST US
    Subject: Soundproofing
    From: "kearney" <kearney@shaw.ca>
    Hi Now that I have a few hours on my -10, I am thinking about installing some soundproofing. At KOSH I saw a demo of the Sound-Ex soundproofing at the Plane Patterns booth. IT seemed like a very effective and light product. Given that I don't have access to the floor wells, I was wondering if anyone can provide guidance on where retrofitted soundproofing has proven the most effective (ie. cabin side firewall / side panels etc, under front seats etc. Is the Sound-Ex product effective? Cheers Les Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445264#445264


    Message 6


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    Time: 10:27:33 AM PST US
    Subject: Re: KOSH Parking
    From: Bob Condrey <condreyb@gmail.com>
    Lesson learned over the years - I also use the same technique on my camping trailer in Camp Scholler! Glad it all worked out for you. Bob On Monday, July 27, 2015, kearney <kearney@shaw.ca> wrote: > > > > Hi Bob > > Thanks for the tip on the plywood squares. When I was parked, my wheels > started to sink almost immediately. After I rolled up on the squares the > problem was solved. > > Cheers > > Les > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=445263#445263 > >


    Message 7


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    Time: 10:49:31 AM PST US
    From: Danny Riggs <jdriggs49@msn.com>
    Subject: Soundproofing
    I used it in my -10 and it helped a bunch Now that isn't saying that it's gonna be as quiet as an airliner but it hel ps > Subject: RV10-List: Soundproofing > From: kearney@shaw.ca > Date: Mon=2C 27 Jul 2015 10:23:29 -0700 > To: rv10-list@matronics.com > > > Hi > > Now that I have a few hours on my -10=2C I am thinking about installing s ome soundproofing. At KOSH I saw a demo of the Sound-Ex soundproofing at th e Plane Patterns booth. IT seemed like a very effective and light product. > > Given that I don't have access to the floor wells=2C I was wondering if a nyone can provide guidance on where retrofitted soundproofing has proven th e most effective (ie. cabin side firewall / side panels etc=2C under front seats etc. > > Is the Sound-Ex product effective? > > Cheers > > Les > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=445264#445264 > > > > > > > =========== =========== =========== =========== > > >


    Message 8


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    Time: 10:50:08 AM PST US
    From: "Pascal" <rv10flyer@live.com>
    Subject: Re: Soundproofing
    Les; For what its worth. The best soundproofing I have found is where I can hear it. I bought Zulu 2 headsets and the plane is as quiet as I will ever make it. With that said. I used heat insulation and a spray on sound insulator that dissipated the noise significantly but in the end, weight and ease wise, I determined that the headset investment was the best route. Pascal -----Original Message----- From: kearney Sent: Monday, July 27, 2015 10:23 AM Subject: RV10-List: Soundproofing Hi Now that I have a few hours on my -10, I am thinking about installing some soundproofing. At KOSH I saw a demo of the Sound-Ex soundproofing at the Plane Patterns booth. IT seemed like a very effective and light product. Given that I don't have access to the floor wells, I was wondering if anyone can provide guidance on where retrofitted soundproofing has proven the most effective (ie. cabin side firewall / side panels etc, under front seats etc. Is the Sound-Ex product effective? Cheers Les Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445264#445264


    Message 9


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    Time: 11:17:08 AM PST US
    Subject: Re: Bonding fiberglass to plexiglass
    From: Ed Kranz <ed.kranz@gmail.com>
    Acetone is a big no-no on plexiglass. It can cause crazing, and it kind of melts the plexi. I've used naptha or a PPG paint reducer for all the plexi cleaning. My guess is that the acetone remelted the areas that you sanded, and smoothed them out and the epoxy didn't bond. On Mon, Jul 27, 2015 at 10:55 AM, rvdave <rv610dave@gmail.com> wrote: > > Recently I glassed around cabin rear windows after sanding with 80 and > wiping with acetone and paper towel. That was about two months ago, now > sanding near the taped edge I noticed it peeling up, testing an area showed > no bond to plex. Thinking I apparently didn't sand deep enough into plex > to get a good bond. Using West epoxy--the glass bonded excellent to the > cabin top. I ended up peeling and cutting away unbonded glass to plex for > a redo. What went wrong and what should I do for a confident bond? > > -------- > Dave Ford > RV6 for sale > RV10 building > Cadillac, MI > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=445248#445248 > >


    Message 10


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    Time: 12:41:32 PM PST US
    Subject: Re: Soundproofing
    From: "kearney" <kearney@shaw.ca>
    Hi Since I posted this I started working through the VAF archives etc. I ended up researching Abesco FP200 foam that I read about on the VAF forums. This would seem to be a good product to install under the floor pans as it is an expanding fire stop foam and does have some noise damping properties as well. The lightening holes would provide installation access. When cured it is a very light foam. Has anyone on the list used this? As I understand it, one limitation is that it should not be used in places where temps normally exceed 150-200C on an ongoing basis. Does anyone have any idea as to what the skin temps are near the exhausts? Lastly, here is an interesting demo of the differences between fire-blocks vs fire-stops. https://www.youtube.com/watch?v=djB4dmfHhQk Cheers Les Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445271#445271


    Message 11


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    Time: 12:47:21 PM PST US
    Subject: Re: Bonding fiberglass to plexiglass
    From: Tim Olson <Tim@MyRV10.com>
    Kerosene is also a good cleaner for plexi if needed. Tim On 7/27/2015 1:13 PM, Ed Kranz wrote: > Acetone is a big no-no on plexiglass. It can cause crazing, and it kind > of melts the plexi. I've used naptha or a PPG paint reducer for all the > plexi cleaning. My guess is that the acetone remelted the areas that you > sanded, and smoothed them out and the epoxy didn't bond. > > On Mon, Jul 27, 2015 at 10:55 AM, rvdave <rv610dave@gmail.com > <mailto:rv610dave@gmail.com>> wrote: > > <mailto:rv610dave@gmail.com>> > > Recently I glassed around cabin rear windows after sanding with 80 > and wiping with acetone and paper towel. That was about two months > ago, now sanding near the taped edge I noticed it peeling up, > testing an area showed no bond to plex. Thinking I apparently > didn't sand deep enough into plex to get a good bond. Using West > epoxy--the glass bonded excellent to the cabin top. I ended up > peeling and cutting away unbonded glass to plex for a redo. What > went wrong and what should I do for a confident bond? > > -------- > Dave Ford > RV6 for sale > RV10 building > Cadillac, MI >


    Message 12


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    Time: 01:42:06 PM PST US
    Subject: Re: Bonding fiberglass to plexiglass
    From: Kelly McMullen <apilot2@gmail.com>
    Urethane paint reducer is the ticket on plexiglass. I found it in the literature for the Lord adhesive that Geoff recommends. Does a nice job without risk to the plexi. If I recall correctly, I think the plexi is supposed to be sanded with 200 or 220 grit sandpaper before epoxy/fiberglassing. While I use 80 grit to sand to shape, I generally go over that with 220 before wiping clean and starting the glass work. On Mon, Jul 27, 2015 at 12:43 PM, Tim Olson <Tim@myrv10.com> wrote: > > Kerosene is also a good cleaner for plexi if needed. > > Tim > > On 7/27/2015 1:13 PM, Ed Kranz wrote: > >> Acetone is a big no-no on plexiglass. It can cause crazing, and it kind >> of melts the plexi. I've used naptha or a PPG paint reducer for all the >> plexi cleaning. My guess is that the acetone remelted the areas that you >> sanded, and smoothed them out and the epoxy didn't bond. >> >> On Mon, Jul 27, 2015 at 10:55 AM, rvdave <rv610dave@gmail.com >> <mailto:rv610dave@gmail.com>> wrote: >> >> <mailto:rv610dave@gmail.com>> >> >> Recently I glassed around cabin rear windows after sanding with 80 >> and wiping with acetone and paper towel. That was about two months >> ago, now sanding near the taped edge I noticed it peeling up, >> testing an area showed no bond to plex. Thinking I apparently >> didn't sand deep enough into plex to get a good bond. Using West >> epoxy--the glass bonded excellent to the cabin top. I ended up >> peeling and cutting away unbonded glass to plex for a redo. What >> went wrong and what should I do for a confident bond? >> >> -------- >> Dave Ford >> RV6 for sale >> RV10 building >> Cadillac, MI >> >> > >


    Message 13


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    Time: 03:15:49 PM PST US
    Subject: Re: flo scan
    From: "cjay" <cgfinney@yahoo.com>
    I guess I could try this, but the problem doesn't show up until flight, so this would take a lot of flight testing, but maybe I could do it on the gnd. jesse(at)saintaviation.co wrote: > I've heard recently of another EIS doing this exact same thing. Disconnect the auxin puts and plug one back in at a time to see which one introduces the problem. > > Jesse Saint > Saint Aviation, Inc. > jesse@saintaviation.com > C: 352-427-0285 > F: 815-377-3694 > > Sent from my iPhone > > > > On Jul 25, 2015, at 1:09 PM, cjay wrote: > > > > > > > > Anyone ever have a flo scan transducer fail on them? > > > > A search has brought lots of discussion on location, but no discussion on how long they last. > > > > I've been having problems with my EIS 6000 and having a hard time tracking down the problem. Basically it works on and off, when not working the screen goes berserk before it shuts down. GRT even bench tested it and said it was fine, that maybe the problem was one of the sensors was putting more than 5volts into one an Aux channel. Right now it's show my fuel flow is not working so I was going to try replacing it. Before I buy one I thought I'd ask the group to see if anyone had any other ideas? > > > > cjay > > > > > > > > > > Read this topic online here: > > > > http://forums.matronics.com/viewtopic.php?p=445186#445186 > > > > > > > > > > > > > > > > > > > > > > > > > Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445279#445279


    Message 14


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    Time: 04:07:35 PM PST US
    Subject: Re: Soundproofing
    From: "Bob Turner" <bobturner@alum.rpi.edu>
    I'm with RV10Flyer; the best sound reduction/pound is from a good headset. Start there, then decide if you need more. (My personal answer was "no".) However, I did have to do something about the draft in the back; passengers in the back had cold heads and hot feet. -------- Bob Turner RV-10 QB Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445282#445282


    Message 15


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    Time: 04:48:50 PM PST US
    Subject: Re: Soundproofing
    From: Les Kearney <kearney@shaw.ca>
    Bob What did you do for the back pax? Cheers Les Sent from my iPhone > On Jul 27, 2015, at 17:04, Bob Turner <bobturner@alum.rpi.edu> wrote: > > > I'm with RV10Flyer; the best sound reduction/pound is from a good headset. > Start there, then decide if you need more. (My personal answer was "no".) > > However, I did have to do something about the draft in the back; passengers in the back had cold heads and hot feet. > > -------- > Bob Turner > RV-10 QB > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=445282#445282 > > > > > > > > > >


    Message 16


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    Time: 05:07:29 PM PST US
    Subject: Re: Soundproofing
    From: "Bob Turner" <bobturner@alum.rpi.edu>
    kearney wrote: > Bob > > What did you do for the back pax? > > Cheers > > Les > > Sent from my iPhone > > > > On Jul 27, 2015, at 17:04, Bob Turner wrote: > > > > > > > > I'm with RV10Flyer; the best sound reduction/pound is from a good headset. > > Start there, then decide if you need more. (My personal answer was "no".) > > > > However, I did have to do something about the draft in the back; passengers in the back had cold heads and hot feet. > > > > -------- > > Bob Turner > > RV-10 QB > > > > > > > > > > > Well, mostly I turned the pilot's intercom volume down so I don't have to hear the complaints!! ha ha. Seriously, I stuffed some insulation into all the corregations in the aft baggage bulkhead. That helped some. As a test, I have taped some cardboard in front of the rear heat outlets, taped on 3 sides but canted at 45 degrees up, to encourage the heat to go up instead of out to their feet. That helped some. So do wool hats. Since the side walls and baggage bulkhead are not insulated, they are going to be cold when in flight, if it's cold outside. I suspect that a small amount of stick-on insulation, on those side walls and baggage bulkhead, would fix the problem more permanently, but I haven't been motivated enough yet to try it. Oddly the front seat occupants don't seem to have the same complaint of hot feet, cold head. -------- Bob Turner RV-10 QB Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445285#445285


    Message 17


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    Time: 05:19:47 PM PST US
    From: "Pascal" <rv10flyer@live.com>
    Subject: Re: Soundproofing
    If you mean headsets? same for back Pax if you mean hot feet and cold heads?, the answer lies on the vent doors on the firewall- http://www.planeinnovations.com/product/heater-bypass-valves-hbv-03/ I was blessed to be given the chance to help design them. They have tabs that totally block any heat from entering and are stainless/stiff so doors dont warp when opening and closing. result-no hot tunnel and two young daughters (one very temperature sensitive) that have been quite happy with no hot feet (during summer) and warm in winter- I used a PVC 45 degree pipe on the back holes to force the heat up versus right to feet. Pascal -----Original Message----- From: Les Kearney Sent: Monday, July 27, 2015 4:43 PM Subject: Re: RV10-List: Re: Soundproofing Bob What did you do for the back pax? Cheers Les Sent from my iPhone > On Jul 27, 2015, at 17:04, Bob Turner <bobturner@alum.rpi.edu> wrote: > > > I'm with RV10Flyer; the best sound reduction/pound is from a good headset. > Start there, then decide if you need more. (My personal answer was "no".) > > However, I did have to do something about the draft in the back; > passengers in the back had cold heads and hot feet. > > -------- > Bob Turner > RV-10 QB > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=445282#445282 > >


    Message 18


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    Time: 05:57:24 PM PST US
    From: Jesse Saint <jesse@saintaviation.com>
    Subject: Re: Soundproofing
    Back passengers get cold if the doors aren't well sealed. The air in the cabin is sucked out around the door hinges and is replaced from tailcone air through the corregations in the rear baggage wall. If you have this problem, try sealing around the hinges better. Regarding noise, door seals hugely reduce the noise level in the cabin. A plane I worked on with inflatable door seals went from the loudest -10 to probably the quietest -10 I have flown when the door seals were finished and inflated. Jesse Saint Saint Aviation, Inc. 352-427-0285 jesse@saintaviation.com Sent from my iPad > On Jul 27, 2015, at 7:43 PM, Les Kearney <kearney@shaw.ca> wrote: > > > Bob > > What did you do for the back pax? > > Cheers > > Les > > Sent from my iPhone > >> On Jul 27, 2015, at 17:04, Bob Turner <bobturner@alum.rpi.edu> wrote: >> >> >> I'm with RV10Flyer; the best sound reduction/pound is from a good headset. >> Start there, then decide if you need more. (My personal answer was "no".) >> >> However, I did have to do something about the draft in the back; passengers in the back had cold heads and hot feet. >> >> -------- >> Bob Turner >> RV-10 QB >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=445282#445282 > > > > >


    Message 19


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    Time: 06:06:18 PM PST US
    Subject: Re: Soundproofing
    From: Miller John <gengrumpy@aol.com>
    It also helps to seal and insulate the aft bulkhead in the baggage compartment. As Jesse said, lots of air comes forward into the cabin from the tailcone. grumpy N184JM do not archive > On Jul 27, 2015, at 7:53 PM, Jesse Saint <jesse@saintaviation.com> wrote: > > > Back passengers get cold if the doors aren't well sealed. The air in the cabin is sucked out around the door hinges and is replaced from tailcone air through the corregations in the rear baggage wall. If you have this problem, try sealing around the hinges better. > > Regarding noise, door seals hugely reduce the noise level in the cabin. A plane I worked on with inflatable door seals went from the loudest -10 to probably the quietest -10 I have flown when the door seals were finished and inflated. > > Jesse Saint > Saint Aviation, Inc. > 352-427-0285 > jesse@saintaviation.com > > Sent from my iPad > >> On Jul 27, 2015, at 7:43 PM, Les Kearney <kearney@shaw.ca> wrote: >> >> >> Bob >> >> What did you do for the back pax? >> >> Cheers >> >> Les >> >> Sent from my iPhone >> >>> On Jul 27, 2015, at 17:04, Bob Turner <bobturner@alum.rpi.edu> wrote: >>> >>> >>> I'm with RV10Flyer; the best sound reduction/pound is from a good headset. >>> Start there, then decide if you need more. (My personal answer was "no".) >>> >>> However, I did have to do something about the draft in the back; passengers in the back had cold heads and hot feet. >>> >>> -------- >>> Bob Turner >>> RV-10 QB >>> >>> >>> >>> >>> Read this topic online here: >>> >>> http://forums.matronics.com/viewtopic.php?p=445282#445282 >> >> >> >> >> > > > > >


    Message 20


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    Time: 06:57:57 PM PST US
    Subject: Re: plexiglass bond to fiberglass
    From: "rvdave" <rv610dave@gmail.com>
    Maybe I wasn't clear about not bonding the plex to the fiberglass top but using fiberglass cloth and epoxy over the plex/fiberglass joint to perhaps eliminate cracking around the window joint. I will try the urethane cleaner for cleaning after sanding to make deeper grooves in the plex, maybe that is the solution. -------- Dave Ford RV6 for sale RV10 building Cadillac, MI Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445290#445290


    Message 21


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    Time: 08:01:49 PM PST US
    From: David Saylor <saylor.dave@gmail.com>
    Subject: Re: Cleveland brake parts
    Thanks David, I'm well set for pads and all but the discs seem to be in good shape. I plan to replace the discs with some heavy duty replacements, so if you have those, drop me a line. I practiced the techniques discussed earlier on the way from OSH to NorCal. It's kinda fun. A little throttle brings the tail right around with full rudder. Thanks again, Dave Saylor 831-750-0284 On Mon, Jul 27, 2015 at 5:43 AM, David <dlm34077@cox.net> wrote: > > > I have used Cleveland brake parts; I was one of the original prototypes > for the Matco wheels and brakes, so removed and stored used brakes parts. > Also have box of pads (8?) left. Email me directly if you are interested. > For new builders, the Matco wheels and brakes are the way to go. > > > David > > > ------------------------------ > [image: Avast logo] <https://www.avast.com/antivirus> > > This email has been checked for viruses by Avast antivirus software. > www.avast.com <https://www.avast.com/antivirus> > > * > > > * > >


    Message 22


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    Time: 09:09:56 PM PST US
    Subject: V Speeds
    From: "kearney" <kearney@shaw.ca>
    Hi At KOSH I had a spirited discussion with a group of South Africans regarding flutter, IAS and TAS. The end result was a revisited Van's article on flutter that I had read many, many moons ago. (See http://vansaircraft.com/pdf/hp_limts.pdf) I also reviewed the RV-10 v-speeds published by Vans in the flight test doc after reading he flutter document. In particular I was surprised to note that the Vne published by Vans of 230 mph / 200 Kts was TAS and not IAS. Many of the POH docs available on line quote a 200 KIAS value for Vne which, at higher altitudes, could lead to a reduced flutter safety margin. I am assuming that all the other V speeds should be KIAS and not KTAS not that there would be much of a difference except perhaps for the max maneuvering speed / max structural cruise speed. Is this correct or am I missing something here? Cheers Les Inquiring minds really need to know. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=445292#445292




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