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IFR Approaches In An RV

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Daniel.Snow(at)wancdf.com
Guest

Posted: Tue Sep 18, 2007 4:38 am Post subject: IFR Approaches In An RV

I don't mean to turn this into an IFR forum, as there are other forums

for that discussion.  However, due to the difficulty of slowing RV's

down, I'm curious how people approach IFR approaches.  In other words,

when do you start slowing down, what speeds do you use for precision and

non-precision approaches, when do you start lowering flaps, when do you

finish lowering flaps, and when do you settle into your final approach

configuration.

Thanks,



Daniel Snow

RV-9A, 72 hours

ronlee(at)pcisys.net
Guest

Posted: Tue Sep 18, 2007 6:02 am Post subject: IFR Approaches In An RV

I question the assertion that it is difficult to slow an RV down.



If you come in at full throttle and chop the power as you enter

downwind then yes it is.  So slow down earlier.



Ron Lee

---

n212pj(at)gmail.com
Guest

Posted: Tue Sep 18, 2007 7:24 am Post subject: IFR Approaches In An RV

Also, what type of prop you have.  Have been in both and the slow down was

amazingly good with the constant speed over fixed.  



John J 



--

ronlee(at)pcisys.net
Guest

Posted: Tue Sep 18, 2007 8:14 am Post subject: IFR Approaches In An RV

I have a fixed pitch prop.  No problems.



Ron Lee

---

Daniel.Snow(at)wancdf.com
Guest

Posted: Tue Sep 18, 2007 8:24 am Post subject: IFR Approaches In An RV

OK, let me rephrase . . . my RV-9A with fixed-pitch prop is noticeably different than my old PA-28-160 when approaching an airport.  Can someone please describe the speeds and flap settings you use for the various phases of precision and non-precision approaches?  

   

Thanks in advance for help.  

   

Daniel  

      [quote][b]

sbuc(at)hiwaay.net
Guest

Posted: Tue Sep 18, 2007 8:52 am Post subject: IFR Approaches In An RV

Snow, Daniel A. wrote:

 	  Quote: 	
		   OK, let me rephrase . . . my RV-9A with fixed-pitch prop is noticeably

 different than my old PA-28-160 when approaching an airport.


	


Yes it is, just start slowing a little sooner.  



   Can

 	  Quote: 	
		   someone please describe the speeds and flap settings you use for the

 various phases of precision and non-precision approaches?


	


100kts, no flaps, unless in a hurry, then 120kts. At 100kts, there is 

plenty of time to slow to flap speed (87kts) after hitting minimums. 

Once power is pulled to idle, the flaps extended, and the flare 

initiated, the RV will slow very quickly with most of the runway still 

in front of you.



Sam Buchanan

kahuna

Joined: 02 Feb 2007
Posts: 93

Posted: Tue Sep 18, 2007 9:33 am Post subject: IFR Approaches In An RV

Daniel,

 Your speeds should not be any different IFR, VFR, Precision, or non precision.

 You will fly the same speeds you usually do.

 

 One thing you can do to help practice before hand is do some appraoches VFR and follow your needles, carrying your normal approach speeds. Take a mental snapshot or write down, your power setting to maintain your approach speed and flaps. This will more easily help you nail a speed on approach rather than hunting for it like you might do now. 

 

 Other than that, you will fly your plane the same way you do now in terms of landing speeds to make touch down.

 Best,

 Mike

 

 [img]cid:1__=08BBF9C9DFCC4D068f9e8a93df938(at)us.ibm.com[/img]"Snow, Daniel A." <Daniel.Snow(at)wancdf.com>

 

 

       "Snow, Daniel A." <Daniel.Snow(at)wancdf.com> 

 Sent by: owner-rv-list-server(at)matronics.com 

09/18/2007 12:23 PM  Please respond to

 rv-list(at)matronics.com

  
 
 
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 Subject

[img]cid:3__=08BBF9C9DFCC4D068f9e8a93df938(at)us.ibm.com[/img]

 RE: IFR Approaches In An RV    [img]cid:3__=08BBF9C9DFCC4D068f9e8a93df938(at)us.ibm.com[/img][img]cid:3__=08BBF9C9DFCC4D068f9e8a93df938(at)us.ibm.com[/img]    

 OK, let me rephrase . . . my RV-9A with fixed-pitch prop is noticeably different than my old PA-28-160 when approaching an airport.  Can someone please describe the speeds and flap settings you use for the various phases of precision and non-precision approaches?

  

 Thanks in advance for help.

  

 Daniel 



 

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 ?RV-List">[b]http://www.matronics.com/Navigator?RV-List

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n5lp(at)warpdriveonline.c
Guest

Posted: Tue Sep 18, 2007 11:09 am Post subject: IFR Approaches In An RV

On Sep 18, 2007, at 11:30 AM, Michael W Stewart wrote:



 	  Quote: 	
		   Daniel,

 Your speeds should not be any different IFR, VFR, Precision, or non  

 precision.

 You will fly the same speeds you usually do.



My normal VFR approach speed is 65 knots with a very short final.  I  
	


don't think ATC is going to be happy with that at all with 6 737s  

following me down the ILS. I like to fly an ILS at around 100 to 120  

knots minimum and it does take a long time to slow down with my fixed  

pitch prop.



To be fair, if the 737s were following me VFR I would probably fly  

even faster, but that situation seems to rarely come up VFR.



Larry Pardue

wdleonard(at)gmail.com
Guest

Posted: Tue Sep 18, 2007 5:38 pm Post subject: IFR Approaches In An RV

Daniel, 



I also have a fixed pitch and you are right that it takes a little longer to slow down.  But Mike was right.  Fly the same speeds you would VFR.  You dont fly VFR approaches at 65kt from 5 mi out from the airport, you gradually slow down to that speed.  Do the same for your IFR flying.  Gradually slow as you approach the airport. 



True, that is contrary to the way you may have learned to fly approaches in a c-172: 80kts, pitch for speed, power for altitude, trim up and drone along.  You can do the same thing in your RV by slowing to 80 and putting out the flaps at the IAF just like in the cessna. 



I fly approaches a little different in my -6 (some would say sloppy?).  Long about the outer marker I go to idle power.  Use pitch to stay on the glide slope.  Depending on how fast I was going at the outer marker I either have to eventually add a little power back in to maintain 70-80kts, or when I break out I hold altitude and cross control until I reach flap speed.  Slows down pretty quick after that.  Timed approach - Whats that? 



Unconventional yes, but so are these aircraft.  Just go do some VMC and you will figure out what you like.



JMHO

-- 

David Leonard



Turbo Rotary RV-6 N4VY

  http://N4VY.RotaryRoster.net

http://RotaryRoster.net



On 9/18/07,  Larry Pardue <n5lp(at)warpdriveonline.com (n5lp(at)warpdriveonline.com)> wrote: [quote]--> RV-List message posted by: Larry Pardue <  n5lp(at)warpdriveonline.com (n5lp(at)warpdriveonline.com)>

On Sep 18, 2007, at 11:30 AM, Michael W Stewart wrote:



 	  Quote: 	
		   Daniel,

 Your speeds should not be any different IFR, VFR, Precision, or non

 precision.

 You will fly the same speeds you usually do. 



My normal VFR approach speed is 65 knots with a very short final.  I
	


don't think ATC is going to be happy with that at all with 6 737s

following me down the ILS. I like to fly an ILS at around 100 to 120 

knots minimum and it does take a long time to slow down with my fixed

pitch prop.



To be fair, if the 737s were following me VFR I would probably fly

even faster, but that situation seems to rarely come up VFR. http://www.matronics.com/Navigator?RV-List

    [quote][b]

john(at)jallenplace.com
Guest

Posted: Wed Sep 19, 2007 7:27 am Post subject: IFR Approaches In An RV

In my RV6A with fixed pitch prop I fly at 90kts once I am in the approach environment. I keep in 10 degrees of flaps, and turn the engine about 1800-1900 RPM.  The 10 degrees of flaps tends to make the airplane more stable, though that probably isn't necessary in the -9 (a more stable platform to begin with). Generally I limit climb power to about 2100-2200 RPM which provides 600fpm climb and allows an easier transition back to the 90kt speed once I level off.

  

 Using these numbers the airplane is a much more stable platform. 

  

 I usually give the approach Controller a heads up that I will be dramatically reducing speed and at what point I intend to do so.

  

 John Allen

  

 

 



   [quote][b]

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