REFLECTOR: Altitude

Kevin Baker flykb at verizon.net
Mon Sep 19 20:22:29 CDT 2011


Wow   Thanks Kurt
I'm so glad you reminded me.
I did miss the post.
I'll give it a go.
I was trying to figure out how to estimate performance

Thanks :-)
Kevin

.

On Sep 19, 2011, at 19:50, nmflyer1 at aol.com wrote:

> Kevin, 
> 
> In case you missed some of my previous posts... USE A KOCH CHART!  It is the most accurate gauge of aircraft performance that I have every used (with reference to density altitude performance). 
> 
> Use your normal sea level numbers and adjust according to the chart. 
> 
> It works!
> 
> Kurt Winker
> 
> 
> 
> -----Original Message-----
> From: Kevin Baker <flykb at verizon.net>
> To: reflector <reflector at tvbf.org>
> Sent: Mon, Sep 19, 2011 2:12 pm
> Subject: Re: REFLECTOR: Altitude
> 
> Hi All,
> Thank you so much for your help on this topic also.
> With no standard "runway/performance" chart to ref you all with your experience have been exceedingly helpful and I am grateful for the help.
> 
> Thanks again,
> Kevin Baker
> 
> 
> On 9/15/2011 12:47 PM, Kevin Baker wrote:
>> 
>> Hi Scott
>> I assume you run a catto?
>> If so what pitch/length?
>> 
>> That is great information
>> 
>> Thanks
>> Kevin
>> .
>> 
>> On Sep 15, 2011, at 12:05, Scott Derrick <scott at tnstaafl.net> wrote:
>> 
>>> Ruben,
>>> 
>>> I've flown a STD RG with a IO360 200HP 500 hours between Grants, NM and SFO, flown around Colorado, Utah, Arizona, Calif, etc..   Lightly and loaded and gross loaded.. 
>>> 
>>> The Velocity is a great cross country machine once your in the air.  I've had mine with the IO360 to 19, 000.  It was fine but I was certainly near or at its ceiling at that altitude.  With a Lightspeed EI.  I regularly fly between 10,000 and 14,000.  You need to bring your mining equipment fly any lower on many of the routes around here.  
>>> 
>>> The weakness in the V, at least with normally aspirated engine and fixed pitch prop is runway length at high density altitude airports. You can and will use a lot of runway.  Be conscious of the DA.  If you are going to travel at or near gross weight, plan on early morning departures.  Its a smoother ride anyway in the mornings so  you get two birds with one stone.  Be aware you can easily land at a filed that you don't have the power to take off from at the same weight and temperature.
>>> 
>>> I use the Aerox oxygen system and it works great, but I really like the Mountain High demand system.  If your going to use O2, I would highly recommend getting a Pulse Oxymeter any of the clip on oxygen meters to monitor your(mainly) and any passengers.  Especially if you don't have high altitude experience.  Its really tough to recognize oxygen deprivation. 
>>> 
>>> I live on the I40 corridor and you can easily fly this route at 10,500, though I don't.  You can do 9,500 most of the way with a short climb east of ABQ and around FLG..  Lots of airports along the way.  There is no reason to fly so low in the V.  12,500 & 13,500 are easily done and the climb rate to those altitudes during cooler weather is more than adequate.
>>> 
>>> Your going in the fall-winter season so that will help a lot towards the density altitude situation.
>>> 
>>> So, be aware of DA.  If its warm, depart in the mornings if at all possible.  If you have to stop for gas in the middle of the day, look for long runways.  7,000+ is not unusual if the altitude is above 6,000 ft. 
>>> 
>>> Fly one of the main routes, I40, I80, etc..
>>> 
>>> Fly a minimum of 10,500 or 12,500 west bound, the higher the better.  Its smoother usually. Also get flight following from ATC.  Nothing like having somebody outside teh cockpit looking out for you and most of the controllers know the terrain and will prompt you for the correct response if your pushing the envelope.
>>> 
>>> And have fun!!  There is no where more beautiful or awe inspiring to fly than the mountain west!  Visibilities are 100+ miles and the vista's and sunrises/sunsets will take your breath away!
>>> 
>>> Scott
>>> 
>>> 
>>> 
>>> -------- Original Message --------
>>> Subject: REFLECTOR: Altitude
>>> From: Ruben Creus <ruben at vainneg.com>
>>> To: reflector at tvbf.org
>>> Date: 09/14/2011 10:11 PM
>>>> Hi all,
>>>>  
>>>> I am planning a trip to the West coast from the East coast and it happens the Rocky Mountains are in the between. I have a SE-FG with an IO-360 180HP. I wonder if anyone has any experience climbing to 16,000ft (the max. ceiling) with this type of configuration and what performance is to expect climbing and cruising at that altitude. I can climb fine to 9,000ft or 10,000ft but never gone above. I have also looked at the Aerox oxygen system, it seems very compact. The other issue would be taking off at fields that are at 7,000ft. Certainly they have long runways.
>>>>  
>>>> So, I wonder if there is anyone in that area who could share their experience in this type of adventure.  
>>>>  
>>>> Thanks.
>>>>  
>>>> Ruben Creus
>>>> N21VA
>>>> 
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>>> -- 
>>> Most folks are about as happy as they make up their minds to be.
>>> Abraham Lincoln
>> 
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>> 
>> 
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> 
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