RV10-List Digest Archive

Sat 04/27/13


Total Messages Posted: 22



Today's Message Index:
----------------------
 
     1. 03:22 AM - power settings (Alan Mekler MD)
     2. 03:58 AM - Re: power settings (Michael Kraus)
     3. 05:17 AM - Re: power settings (James McGrew)
     4. 05:36 AM - Re: power settings (Alan Mekler MD)
     5. 05:43 AM - Re: Re: Door locks (Rick Lark)
     6. 05:47 AM - Re: power settings (James McGrew)
     7. 06:03 AM - Re: power settings (bill.peyton)
     8. 06:55 AM - Re: Re: Door locks (Carl Froehlich)
     9. 06:59 AM - Re: Re: power settings (Robin Marks)
    10. 07:39 AM - Re: Re: power settings (Kelly McMullen)
    11. 09:17 AM - FWF Scat Hose Clamps? (Sean Stephens)
    12. 12:56 PM - Re: FWF Scat Hose Clamps? (bill.peyton)
    13. 01:14 PM - Bob Archer Antenna RG cable attachment nuts (Mike Whisky)
    14. 02:19 PM - Re: FWF Scat Hose Clamps? (Kelly McMullen)
    15. 03:16 PM - Re: FWF Scat Hose Clamps? (Sean Stephens)
    16. 06:16 PM - Door Question (Vernon Franklin)
    17. 08:01 PM - Re: Door Question (davidsoutpost@comcast.net)
    18. 08:03 PM - Re: Door Question (Bob Turner)
    19. 08:26 PM - Re: power settings (rv10flyer)
    20. 08:29 PM - Re: FWF Scat Hose Clamps? (rv10flyer)
    21. 09:50 PM - Re: Re: power settings (Jae Chang)
    22. 11:02 PM - Re: Re: power settings (Robin Marks)
 
 
 


Message 1


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    Time: 03:22:00 AM PST US
    From: Alan Mekler MD <amekler@metrocast.net>
    Subject: power settings
    just curious does anybody reduce power after takeoff or use pull power for the climb? also what mp and rpm do you use in cruise(altitude dependent) Alan N668G 205 hrs


    Message 2


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    Time: 03:58:24 AM PST US
    Subject: Re: power settings
    From: Michael Kraus <n223rv@wolflakeairport.net>
    I stay at 2700 (full power) to about 500' agl, then deduce power to about 24 50 squared until I'm at the desired altitude. My reasoning? I just don't like the engine spinning that fast for very long and at 500', I should be a ble to make it back to the runway..... I did not have a lot of previous c/s prop experience so I am curious to see what others say.... -Mike Kraus RV-4 sold :-( RV-10 flying :-) KitFox SS7 Radial building :-) On Apr 27, 2013, at 6:20 AM, Alan Mekler MD <amekler@metrocast.net> wrote: > > just curious does anybody reduce power after takeoff or use pull power for the climb? > also what mp and rpm do you use in cruise(altitude dependent) > > Alan > N668G 205 hrs > ========================== ========= ========================== ========= ========================== ========= ========================== ========= > > >


    Message 3


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    Time: 05:17:57 AM PST US
    Subject: Re: power settings
    From: James McGrew <jsmcgrew@alum.mit.edu>
    There's a great book called 'Fly The Engine' by Kas Thomas. It has a lot of good information I didn't learn in my flight training. I also learned some good tips from my transition training with Mike Seager. For my -10: As for throttle, for a cross country flight I wouldn't touch the throttle until initial descent. After lifting off at 2700, I would reduce RPM to 2600 for the initial climb out. Upon reaching 800' AGL I'd reduce RPM to 2500 for the climb. I'd lean fuel flow by 3% every 1000' of climb (roughly 0.5 gph per 1000'). I would climb to usually between 10k and 12.5k. At level off I would set the RPM between 2250 and 2450 and lean for cruise. I leaned 50 degrees LOP. I switched tanks every 30 minutes and changed the RPM every other tank change (every hour). I would, for example, change RPM from 2450 to 2370 and re-lean. This is to help ensure you don't inadvertently spend to much time on some component's harmonic in the engine. -Jim On Sat, Apr 27, 2013 at 6:20 AM, Alan Mekler MD <amekler@metrocast.net>wrote: > > just curious does anybody reduce power after takeoff or use pull power for > the climb? > also what mp and rpm do you use in cruise(altitude dependent) > > Alan > N668G 205 hrs > >


    Message 4


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    Time: 05:36:04 AM PST US
    Subject: Re: power settings
    From: Alan Mekler MD <amekler@metrocast.net>
    Jim, Thanks for your reply. I was listening to a mike bush webinar and his was bi g on low rpm high manifold pressures just the opposite if how i was tought. Alan Sent from my iPhone On Apr 27, 2013, at 8:17 AM, James McGrew <jsmcgrew@alum.mit.edu> wrote: > There's a great book called 'Fly The Engine' by Kas Thomas. It has a lot o f good information I didn't learn in my flight training. I also learned som e good tips from my transition training with Mike Seager. > > For my -10: As for throttle, for a cross country flight I wouldn't touch t he throttle until initial descent. After lifting off at 2700, I would reduce RPM to 2600 for the initial climb out. Upon reaching 800' AGL I'd reduce RP M to 2500 for the climb. I'd lean fuel flow by 3% every 1000' of climb (roug hly 0.5 gph per 1000'). I would climb to usually between 10k and 12.5k. At l evel off I would set the RPM between 2250 and 2450 and lean for cruise. I le aned 50 degrees LOP. I switched tanks every 30 minutes and changed the RPM e very other tank change (every hour). I would, for example, change RPM from 2 450 to 2370 and re-lean. This is to help ensure you don't inadvertently spen d to much time on some component's harmonic in the engine. > > -Jim > > > On Sat, Apr 27, 2013 at 6:20 AM, Alan Mekler MD <amekler@metrocast.net> wr ote: >> >> just curious does anybody reduce power after takeoff or use pull power fo r the climb? >> also what mp and rpm do you use in cruise(altitude dependent) >> >> Alan >> N668G 205 hrs >> >> ========== >> arget="_blank">http://www.matronics.com/Navigator?RV10-List >> ========== >> http://forums.matronics.com >> ========== >> le, List Admin. >> ="_blank">http://www.matronics.com/contribution >> ========== > > > ========================== ========= ========================== ========= ========================== ========= ========================== ========= >


    Message 5


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    Time: 05:43:06 AM PST US
    Subject: Re: Door locks
    From: Rick Lark <larkrv10@gmail.com>
    Aha, that's exactly what I need to know. Thx Jim. I did go to Home Depot and buy 3- 5/8" cam locks but I then decided they were too poor a quality to put in an airplane. I went to ACS and checked out their locks and I then went to a local locksmith. He had better keyed locks, but he also has the tubular cam locks which are way better design, quality etc. Of course they're more money too. I intend to use a push to start switch in my plane thus I don't need a keyed ignition switch. Thx for every ones help. Rick On Sat, Apr 27, 2013 at 12:33 AM, Jim Berry <jimberry@qwest.net> wrote: > > My door locks are the same length as the baggage lock. If you want > everything keyed alike, you can special order a keyed ignition switch and 3 > door/baggage locks from ACS. > > Jim Berry > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=399466#399466 > >


    Message 6


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    Time: 05:47:19 AM PST US
    Subject: Re: power settings
    From: James McGrew <jsmcgrew@alum.mit.edu>
    Couple things I forgot to mention above. I always took off full throttle. Once airborne, if the MAP was >RPM I would reduce throttle for the climb to keep from being over squared. It doesn't take long to get the throttle all the back in at 25 squared. MAP continues to go down from there, at the altitudes I cruised at MAP was never an issue. -Jim On Sat, Apr 27, 2013 at 8:35 AM, Alan Mekler MD <amekler@metrocast.net>wrote: > Jim, > Thanks for your reply. I was listening to a mike bush webinar and his was > big on low rpm high manifold pressures just the opposite if how i was > tought. > Alan > > Sent from my iPhone > > On Apr 27, 2013, at 8:17 AM, James McGrew <jsmcgrew@alum.mit.edu> wrote: > > There's a great book called 'Fly The Engine' by Kas Thomas. It has a lot > of good information I didn't learn in my flight training. I also learned > some good tips from my transition training with Mike Seager. > > For my -10: As for throttle, for a cross country flight I wouldn't touch > the throttle until initial descent. After lifting off at 2700, I would > reduce RPM to 2600 for the initial climb out. Upon reaching 800' AGL I'd > reduce RPM to 2500 for the climb. I'd lean fuel flow by 3% every 1000' of > climb (roughly 0.5 gph per 1000'). I would climb to usually between 10k and > 12.5k. At level off I would set the RPM between 2250 and 2450 and lean for > cruise. I leaned 50 degrees LOP. I switched tanks every 30 minutes and > changed the RPM every other tank change (every hour). I would, for example, > change RPM from 2450 to 2370 and re-lean. This is to help ensure you don't > inadvertently spend to much time on some component's harmonic in the engine. > > -Jim > > > On Sat, Apr 27, 2013 at 6:20 AM, Alan Mekler MD <amekler@metrocast.net>wrote: > >> >> just curious does anybody reduce power after takeoff or use pull power >> for the climb? >> also what mp and rpm do you use in cruise(altitude dependent) >> >> Alan >> N668G 205 hrs >> >> ========== >> arget="_blank">http://www.matronics.com/Navigator?RV10-List >> ========== >> http://forums.matronics.com >> ========== >> le, List Admin. >> ="_blank">http://www.matronics.com/contribution >> ========== >> >> >> >> > * > > * > > * > > * > >


    Message 7


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    Time: 06:03:20 AM PST US
    Subject: Re: power settings
    From: "bill.peyton" <peyton.b@sbcglobal.net>
    A lot of how you choose to climb has to do with how much fuel you want to burn. Personally, after 1500 agl, I reduce power to 24/2400. This gives me more than adequate climb, 800 fpm and 120-130kts. The fuel burn rate goes way down. I continue to lean in the climb to maintain takeoff egts until at cruise altitude. I then set up for 8K + ft cruise and 25-40 deg LOP 65% power @ 2300 rpm. This gives me roughly 165 kts TAS and fuel burn of 11 to 11.5 GPH depending on the day. There are some that do the big mixture pull and climb LOP, I have not tried that yet. Not brave enough..... -------- Bill WA0SYV Aviation Partners, LLC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399479#399479


    Message 8


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    Time: 06:55:58 AM PST US
    From: "Carl Froehlich" <carl.froehlich@verizon.net>
    Subject: Re: Door locks
    I use tubular key locks on planes as I find it is much harder to break off a round key compared to a flat key. I don't lock the canopy/doors as I'd rather have something stolen out of the panel instead of damage from forcing a lock. I also do not use an ignition key other than a "start permissive" key in series with the starter button. This prevents someone from spinning the prop with the starter. For me spam can type single key start/mag select switches are a source of unacceptable single point failure risk - and not compatible with redundant power distribution schemes. Both planes use Fort Lock MFW1038-80 (as example) cam locks for the baggage door. These are made in America with heavy nickel plating. They are sold under a variety of brand names and run less than $10 each. Carl From: owner-rv10-list-server@matronics.com [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Rick Lark Sent: Saturday, April 27, 2013 8:43 AM Subject: Re: RV10-List: Re: Door locks Aha, that's exactly what I need to know. Thx Jim. I did go to Home Depot and buy 3- 5/8" cam locks but I then decided they were too poor a quality to put in an airplane. I went to ACS and checked out their locks and I then went to a local locksmith. He had better keyed locks, but he also has the tubular cam locks which are way better design, quality etc. Of course they're more money too. I intend to use a push to start switch in my plane thus I don't need a keyed ignition switch. Thx for every ones help. Rick On Sat, Apr 27, 2013 at 12:33 AM, Jim Berry <jimberry@qwest.net> wrote: My door locks are the same length as the baggage lock. If you want everything keyed alike, you can special order a keyed ignition switch and 3 door/baggage locks from ACS. Jim Berry Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399466#399466 ========== arget="_blank">http://www.matronics.com/Navigator?RV10-List ========== http://forums.matronics.com ========== le, List Admin. ="_blank">http://www.matronics.com/contribution ==========


    Message 9


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    Time: 06:59:50 AM PST US
    From: Robin Marks <robin@PaintTheWeb.com>
    Subject: Re: power settings
    I have a very talented instructor airline pilot friend that says DON'T TOUCH A THING after takeoff till you reach an altitude that you can safely return to the airport. That includes flap retract. He says if you are going to have a problem it will likely be on First Action either electrical or mechanical. After you can make the field continue as you wish. Currently at the West Coast Formation Clinic. Wish me luck! Robin "bill.peyton" <peyton.b@sbcglobal.net> wrote: A lot of how you choose to climb has to do with how much fuel you want to burn. Personally, after 1500 agl, I reduce power to 24/2400. This gives me more than adequate climb, 800 fpm and 120-130kts. The fuel burn rate goes way down. I continue to lean in the climb to maintain takeoff egts until at cruise altitude. I then set up for 8K + ft cruise and 25-40 deg LOP 65% power @ 2300 rpm. This gives me roughly 165 kts TAS and fuel burn of 11 to 11.5 GPH depending on the day. There are some that do the big mixture pull and climb LOP, I have not tried that yet. Not brave enough..... -------- Bill WA0SYV Aviation Partners, LLC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399479#399479


    Message 10


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    Time: 07:39:41 AM PST US
    From: Kelly McMullen <kellym@aviating.com>
    Subject: Re: power settings
    I wonder where that instructor got his mechanical knowledge. Certainly is telling you to operate differently than he does in his day job. I guarantee you that all airline jets retract gear and reduce flaps long before they could glide back to the airport. As a matter of fact, I remember DC6's and 7's retracting gear as soon as they were 10 ft in the air with barely positive rate of climb, because they needed the drag reduction. I reduce flap setting when the angle of climb is no longer needed to clear obstacles. You will glide better without flaps. I reduce rpm at 800-1000 AGL for noise abatement and to reduce stress on the prop. I keep full throttle until leveling off. Had to be amused by the "oversquare" comments. Flat (horizontally opposed) engines have no issues of being oversquare. Every aircraft with a fixed pitch prop runs oversquare on takeoff. If it didn't, you would have to reduce power as soon as the nose was lowered for cruise to keep from exceeding red line. That whole over/under square discussion comes from radial engines that turn much slower to start with. As far as I know, no one has ever done a thorough, statistically sound, analysis of failure at first power reduction or at first configuration change. I believe it to be one of aviation's most strongly held old wive's tale. Probably related to takeoffs with unairworthy aircraft to begin with, that the failure would occur soon after takeoff regardless of whether the controls were moved. Kelly On 4/27/2013 6:59 AM, Robin Marks wrote: > > I have a very talented instructor airline pilot friend that says DON'T TOUCH A THING after takeoff till you reach an altitude that you can safely return to the airport. That includes flap retract. He says if you are going to have a problem it will likely be on First Action either electrical or mechanical. > After you can make the field continue as you wish. > Currently at the West Coast Formation Clinic. Wish me luck! > > Robin > > "bill.peyton" <peyton.b@sbcglobal.net> wrote: > > > > A lot of how you choose to climb has to do with how much fuel you want to burn. Personally, after 1500 agl, I reduce power to 24/2400. This gives me more than adequate climb, 800 fpm and 120-130kts. The fuel burn rate goes way down. I continue to lean in the climb to maintain takeoff egts until at cruise altitude. I then set up for 8K + ft cruise and 25-40 deg LOP 65% power @ 2300 rpm. This gives me roughly 165 kts TAS and fuel burn of 11 to 11.5 GPH depending on the day. > There are some that do the big mixture pull and climb LOP, I have not tried that yet. Not brave enough..... > > -------- > Bill > WA0SYV > Aviation Partners, LLC > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=399479#399479 > > ----- No virus found in this message. Checked by AVG - www.avg.com


    Message 11


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    Time: 09:17:08 AM PST US
    From: Sean Stephens <sean@stephensville.com>
    Subject: FWF Scat Hose Clamps?
    The FWF plans call for eight AN737TW-66 hose clamps for the scat tubes. However, I do not see them on the hardware list. Am I missing something? Also, the Fuselage kit came with two, but four are needed to run the scat for the heat? -Sean #40303 (trying to finish up FWF)


    Message 12


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    Time: 12:56:38 PM PST US
    Subject: Re: FWF Scat Hose Clamps?
    From: "bill.peyton" <peyton.b@sbcglobal.net>
    It sounds like you are missing some hardware. Mine came with all of those hose clamps -------- Bill WA0SYV Aviation Partners, LLC Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399497#399497


    Message 13


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    Time: 01:14:19 PM PST US
    Subject: Bob Archer Antenna RG cable attachment nuts
    From: "Mike Whisky" <rv-10@wellenzohn.net>
    Today I wanted to install my wingtip and I couldn't find the small nuts which hold the RG cable to the bob archer antenna. Can someone please let me know which nuts are required. Thanks Mike -------- RV-10 builder (final assembly) #511 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399498#399498


    Message 14


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    Time: 02:19:53 PM PST US
    Subject: Re: FWF Scat Hose Clamps?
    From: Kelly McMullen <apilot2@gmail.com>
    I don't remember right off hand whether they are in the FWF kit or the finish kit, they are NOT in the fuselage kit. On Sat, Apr 27, 2013 at 9:16 AM, Sean Stephens <sean@stephensville.com>wrote: > > The FWF plans call for eight AN737TW-66 hose clamps for the scat tubes. > However, I do not see them on the hardware list. Am I missing something? > > Also, the Fuselage kit came with two, but four are needed to run the scat > for the heat? > > -Sean #40303 (trying to finish up FWF) > > -- - sent from the microchip implanted in my forearm


    Message 15


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    Time: 03:16:16 PM PST US
    From: Sean Stephens <sean@stephensville.com>
    Subject: Re: FWF Scat Hose Clamps?
    Ya, there's 5 in the finish kit and 2 in the fuselage kit. But we need 8 for the fwf hoses and 4 for the heat in tunnel. Seems as there are 7 provided and 12 needed. No matter. I just went to Auto... errrr... AeroZone and picked up the extras. Thanks, -Sean #40303 (spending time searching for fwf parts in finish and fuse kit instead of finishing fwf) On 4/27/13 4:18 PM, Kelly McMullen wrote: > I don't remember right off hand whether they are in the FWF kit or the > finish kit, they are NOT in the fuselage kit. > > > On Sat, Apr 27, 2013 at 9:16 AM, Sean Stephens <sean@stephensville.com > <mailto:sean@stephensville.com>> wrote: > > <sean@stephensville.com <mailto:sean@stephensville.com>> > > The FWF plans call for eight AN737TW-66 hose clamps for the scat > tubes. However, I do not see them on the hardware list. Am I > missing something? > > Also, the Fuselage kit came with two, but four are needed to run > the scat for the heat? > > -Sean #40303 (trying to finish up FWF) > > =================================== > arget="_blank">http://www.matronics.com/Navigator?RV10-List > =================================== > http://forums.matronics.com > =================================== > le, List Admin. > ="_blank">http://www.matronics.com/contribution > =================================== > > > -- > > - sent from the microchip implanted in my forearm > * > > > *


    Message 16


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    Time: 06:16:55 PM PST US
    Subject: Door Question
    From: Vernon Franklin <vernon.franklin@gmail.com>
    I have started working on the doors. I drilled the fwd and aft index holes as indicated on 45-02, but when I lay the door up, only the aft index hole matches. The forward hole is about 4 inches higher than when the fuselage "missing" rivet is. Both doors are like this, with the fwd dimples about 4 inches higher than the plans show. Has anyone else run into this issue? -- Vernon Franklin


    Message 17


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    Time: 08:01:32 PM PST US
    From: davidsoutpost@comcast.net
    Subject: Re: Door Question
    Mine were that way also. I made a rivet hole transfer tool to locate the empty dimpled rivet hole on the door. IIRC, Avery Tool carries these. David Clifford RV-10 Builder Howell, MI ----- Original Message ----- From: "Vernon Franklin" <vernon.franklin@gmail.com> Sent: Saturday, April 27, 2013 9:15:32 PM Subject: RV10-List: Door Question I have started working on the doors. I drilled the fwd and aft index holes as indicated on 45-02, but when I lay the door up, only the aft index hole matches. The forward hole is about 4 inches higher than when the fuselage "missing" rivet is. Both doors are like this, with the fwd dimples about 4 inches higher than the plans show. Has anyone else run into this issue? -- Vernon Franklin


    Message 18


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    Time: 08:03:12 PM PST US
    Subject: Re: Door Question
    From: "Bob Turner" <bobturner@alum.rpi.edu>
    As I recall, the index holes on the inner and outer door halves did not all line up for me, either. The lines and scribe marks on my fiberglass parts were hard to impossible to see. -------- Bob Turner RV-10 QB Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399512#399512


    Message 19


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    Time: 08:26:23 PM PST US
    Subject: Re: power settings
    From: "rv10flyer" <wayne.gillispie@gmail.com>
    At full gross 90% of the time with the family...WOT, 2700 to cruise altitude and lean during ascent to maintain 1250-1275F takeoff EGT. Then RPM back to 2300-2400, MP as necessary for 60-65%, FF= 9.5-10.5 at 25-40F LOP. I really like this plane! -------- Wayne G. SB 12/01/2009-12/01/2011 TT= 103 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399515#399515


    Message 20


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    Time: 08:29:26 PM PST US
    Subject: Re: FWF Scat Hose Clamps?
    From: "rv10flyer" <wayne.gillispie@gmail.com>
    Auto Zone for me too. Yep, Van's cannot count. -------- Wayne G. SB 12/01/2009-12/01/2011 TT= 103 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=399516#399516


    Message 21


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    Time: 09:50:59 PM PST US
    From: Jae Chang <jc-matronics_rv10@jline.com>
    Subject: Re: power settings
    On 4/27/2013 5:35 AM, Alan Mekler MD wrote: > Thanks for your reply. I was listening to a mike bush webinar and his > was big on low rpm high manifold pressures just the opposite if how i > was tought. > Alan Ive heard Mike Busch's seminars too but dont think i have come away with that particular conclusion. In fact, i recall him saying high MAP and low RPM with the right mixture and power setting is about the worst place to operate an engine. He flies a twin turbocharged cessna, so on takeoff with turbos he is effectively operating high MAP with low RPM. However, he does so with full mixture to mitigate detonation all the way to cruise. The turbo charging dictates how he operates. NA operators have more flexibility than this. On 4/27/2013 6:02 AM, bill.peyton wrote: > There are some that do the big mixture pull and climb LOP, I have not > tried that yet. Not brave enough..... Not sure what is brave about a LOP climb since the engine doesn't know it is climbing, level or descending. The engine chart parameters are more about temperatures/pressures, %power and fuel settings. Jae -- #40533 RV-10 First flight 10/19/2011 Phase 1 Done 11/26/2011 do not archive


    Message 22


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    Time: 11:02:09 PM PST US
    From: Robin Marks <robin@PaintTheWeb.com>
    Subject: Re: power settings
    My friends recommendation was specific to my RV and not to aircraft like a DC6 or maybe even the G550 he will take to Russia on 12 hours notice. if you are not touching anything but the 3 degrees of flap before 800-1000' AGL than i might as well abide by his recommendation for another 10 seconds before making those changes. While I don't believe everything I read or hear when a craftsman in their chosen industry gives me a safety tip I give it extra weight. Robin Sent from the new iPad On Apr 27, 2013, at 7:43 AM, "Kelly McMullen" <kellym@aviating.com> wrote: > > I wonder where that instructor got his mechanical knowledge. Certainly is telling you to operate differently than he does in his day job. I guarantee you that all airline jets retract gear and reduce flaps long before they could glide back to the airport. As a matter of fact, I remember DC6's and 7's retracting gear as soon as they were 10 ft in the air with barely positive rate of climb, because they needed the drag reduction. I reduce flap setting when the angle of climb is no longer needed to clear obstacles. You will glide better without flaps. I reduce rpm at 800-1000 AGL for noise abatement and to reduce stress on the prop. I keep full throttle until leveling off. Had to be amused by the "oversquare" comments. Flat (horizontally opposed) engines have no issues of being oversquare. Every aircraft with a fixed pitch prop runs oversquare on takeoff. If it didn't, you would have to reduce power as soon as the nose was lowered for cruise to keep from exceeding red line. That whole over/under square discussion comes from radial engines that turn much slower to start with. > As far as I know, no one has ever done a thorough, statistically sound, analysis of failure at first power reduction or at first configuration change. I believe it to be one of aviation's most strongly held old wive's tale. Probably related to takeoffs with unairworthy aircraft to begin with, that the failure would occur soon after takeoff regardless of whether the controls were moved. > Kelly > On 4/27/2013 6:59 AM, Robin Marks wrote: >> >> I have a very talented instructor airline pilot friend that says DON'T TOUCH A THING after takeoff till you reach an altitude that you can safely return to the airport. That includes flap retract. He says if you are going to have a problem it will likely be on First Action either electrical or mechanical. >> After you can make the field continue as you wish. >> Currently at the West Coast Formation Clinic. Wish me luck! >> >> Robin >> >> "bill.peyton" <peyton.b@sbcglobal.net> wrote: >> >> >> >> A lot of how you choose to climb has to do with how much fuel you want to burn. Personally, after 1500 agl, I reduce power to 24/2400. This gives me more than adequate climb, 800 fpm and 120-130kts. The fuel burn rate goes way down. I continue to lean in the climb to maintain takeoff egts until at cruise altitude. I then set up for 8K + ft cruise and 25-40 deg LOP 65% power @ 2300 rpm. This gives me roughly 165 kts TAS and fuel burn of 11 to 11.5 GPH depending on the day. >> There are some that do the big mixture pull and climb LOP, I have not tried that yet. Not brave enough..... >> >> -------- >> Bill >> WA0SYV >> Aviation Partners, LLC >> >> >> >> >> Read this topic online here: >> >> http://forums.matronics.com/viewtopic.php?p=399479#399479 > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > > > > >




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