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Density altitude take-off charts

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recapen(at)earthlink.net
Guest

Posted: Wed Feb 27, 2008 9:01 am Post subject: Density altitude take-off charts

Does anyone have a Density Altitude chart for their RV?



There was discussion of an attached one in the archives but I couldn't find it.



One of the sites alluded to in the archive post had an odd-looking chart telling us to add xxx percent to our take-off distance.



I'm figuring that during my fly-off period, I'll be determining my normal take-off distance and could build a Density Altitude chart for my POH.



Granted, with 180hp available, the calculations should come out OK for every place that I would fly from.....however, I think this is something that should be in my POH......



Ralph Capen

Doing paperwork during the weekdays and airplane building on the weekends!

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n5lp(at)warpdriveonline.c
Guest

Posted: Wed Feb 27, 2008 10:26 am Post subject: Density altitude take-off charts

There is a Koch Chart at http://www.nappf.com/nappf_density_altitude.htm



To use the chart you do need to have the performance for standard  

conditions.



Larry Pardue

On Feb 27, 2008, at 9:53 AM, Ralph E. Capen wrote:



 	  Quote: 	
		   

 <recapen(at)earthlink.net>



 Does anyone have a Density Altitude chart for their RV?



 There was discussion of an attached one in the archives but I  

 couldn't find it.



 One of the sites alluded to in the archive post had an odd-looking  

 chart telling us to add xxx percent to our take-off distance.



 I'm figuring that during my fly-off period, I'll be determining my  

 normal take-off distance and could build a Density Altitude chart  

 for my POH.



 Granted, with 180hp available, the calculations should come out OK  

 for every place that I would fly from.....however, I think this is  

 something that should be in my POH......



 Ralph Capen

 Doing paperwork during the weekdays and airplane building on the  

 weekends!

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recapen(at)earthlink.net
Guest

Posted: Wed Feb 27, 2008 12:06 pm Post subject: Density altitude take-off charts

Thanks for the responses and pointers to the Koch charts.  I'll be developing the standard day info for my 6A during the 40 hour fly-off before I go to out of the way places.



My home base is elevation 30' so I think i'll be OK unless it's over 120 degrees out........



--

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larywil(at)comcast.net
Guest

Posted: Wed Feb 27, 2008 2:28 pm Post subject: Density altitude take-off charts

Ralph,



As you imply, an RV-4-6-7-8 with 180 hp will take off of most fields 

and D/A conditions you will probably ever encounter with relative 

ease. After spending a lot of time in a C150 at 6000-7000 ft altitude 

airports, my RV-4 makes take-offs seem a dream come true. BUT, 

landings should always be an item to consider at high D/A's. 

Interestingly, so will "go arounds". They will be a little different. 

But the power is there to use. Be positive and smooth on a go around 

if things get dicey at high D/A's.

 	  Quote: 	
		   >> Does anyone have a Density Altitude chart for their RV?

 >> Granted, with 180hp available, the calculations should come out OK

 >> for every place that I would fly from.....however, I think this is

 >> something that should be in my POH......

 >>

 >> Ralph Capen

 >> Doing paperwork during the weekdays and airplane building on the

 >> weekends!


	


Louis I Willig

1640 Oakwood Dr.

Penn Valley, PA 19072

610 668-4964

RV-4, N180PF

190HP IO-360, C/S prop

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