Today's Message Index:
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1. 06:28 AM - Take off distance (BobbyPaulk@comcast.net)
2. 12:00 PM - Re: Performance take off and landings. (aprazer)
3. 02:17 PM - Re: Performance take off and landings. (SIDESLIP)
4. 03:46 PM - Re: Re: Performance take off and landings. (Paul Mulwitz)
5. 04:10 PM - Re: Performance take off and landings. (Tim Juhl)
6. 07:05 PM - Re: Performance take off and landings. (aprazer)
Message 1
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| Subject: | Take off distance |
Chad,
Be sure to take in account if the grass was freshly mowed and density altitude.
I fly out of a 2200' grass strip ( Elevation 60' ) and there are days when a 85
hp Aircoupe can not get airborne due to 95 deg temps and long grass. We cut a
few passes down the middle of the runway and he can get out if he uses the right
procedure. Be careful.
Bobby ( age 75 )
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 285 Needle Jet
Status - Flying 186 hrs.
Do Not Archive
Message 2
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| Subject: | Re: Performance take off and landings. |
Chad,
Play special attention to "Density Altitude".
What are the performance figures that you compiled for your POH?
Early morning (sun rise) take-off/landings are far safer!
10:00 am should be your cut-off time during the summer!
Blue skys ahead,
Mack
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The poh-oh-unemployed farm boy from Idaho
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=406871#406871
Message 3
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| Subject: | Re: Performance take off and landings. |
Hey guys. I didn't create the POH. Bought this airplane from the original builder.
I'd have to double check, but I believe at gross, the take off is around 800-1000'
on grass over a 50. Landings I think are around 600'. Like I said, the
runway is 1800-2000' but there is 75' obstacles at both ends, and a WICKED hump
in the middle. The owner had landed his 206 there without issue apparently.
That I can't see personally, but so he says. I'm going to another grass field
to practice short/soft field stuff. Ill know for certain how much runway it'll
take. I know I can get in and out just fine off this 2200' runway even mid
day no flaps. After reading these messages, I realized I've never even used flaps
on a single takeoff! Never had a call for them....
Does it reduced the take off roll by a lot?
Chad
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C-GYXQ. 912ULS. 601XL-B
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=406881#406881
Message 4
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| Subject: | Re: Performance take off and landings. |
Hi Chad,
As you move to higher performance planes you will get used to using
flaps for takeoff - all the high performance planes require them. For
example in a C-182 with 20 degrees of flaps and full power you can be
airborne in perhaps 500 feet (not fully loaded) but without flaps you
will wonder why after 2000 feet you are still on the ground.
I flew a Tecnam Echo Super (Rotax 100 hp) that also called for flaps for
every takeoff. It had a short takeoff ground roll and climbed nicely.
Sadly, I never learned how to get it to come down. It floated forever
and was a really long glider. From the normal specs it looks a lot like
a Zodiac XL but the XL comes down a lot better.
On my plane I have never measured the takeoff ground roll but it seems
to just jump in the air with half flaps and even faster with full
flaps. However, full flaps has it airborne at such a slow speed there
is little control authority and it seems messy. Half flaps allows nice
control as you leave the ground and climb over that obstacle at the end
of the runway before removing the flaps. I rarely take off with no flaps
- only when I forget to put them on. I would guess the ground roll is 2
or 3 times as long as with half flaps. That is still less than 1000
feet but why not get the wheels off the ground as quickly as reasonable?
Paul
Camas, WA
Zodiac XL - N773PM
On 8/16/2013 2:17 PM, SIDESLIP wrote:
>
> Hey guys. I didn't create the POH. Bought this airplane from the original builder.
I'd have to double check, but I believe at gross, the take off is around
800-1000' on grass over a 50. Landings I think are around 600'. Like I said,
the runway is 1800-2000' but there is 75' obstacles at both ends, and a WICKED
hump in the middle. The owner had landed his 206 there without issue apparently.
That I can't see personally, but so he says. I'm going to another grass field
to practice short/soft field stuff. Ill know for certain how much runway it'll
take. I know I can get in and out just fine off this 2200' runway even mid
day no flaps. After reading these messages, I realized I've never even used
flaps on a single takeoff! Never had a call for them....
>
> Does it reduced the take off roll by a lot?
>
> Chad
>
> --------
> C-GYXQ. 912ULS. 601XL-B
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=406881#406881
>
>
Message 5
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| Subject: | Re: Performance take off and landings. |
are your 75 foot obstacles right at the end of the runway or set back a bit?
Also, I would suggest using some elevator to take the weight off the nosewheel
but you want to avoid nose high takeoff rolls due to the additional drag. Flaps
will get you off the ground quicker but may reduce your rate of climb. Your
idea of practicing on a longer strip is a good one.
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Wing modifications done - back working on the fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=406888#406888
Message 6
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| Subject: | Re: Performance take off and landings. |
Chad,
206's along with 182's are considered the workhorse aircraft in Idaho as they are
good performers with above average load weights.
Idaho's average airport elevation is approximately 4500 feet with the lowest elevations
along the Snake River 735 feet @ Snake River Sea Plane Base (78U) @ Lewiston
to 7920 feet @ Copper Basin (0U2) 12 miles SW of Mackay, Idaho.
Cabin Creek (I08) is a popular 1750 X 40 turf airstrip 37 miles West of Salmon,
Idaho along the River-of-No-Return (you know the river that Lewis and Clark couldn't
navigate). It is an one way strip with a small dogleg - lower strip elevation
is 4157 feet and upper elevation is 4289 feet. Land uphill and take off
downhill.
This summer, Idaho has been experiencing above average temperatures of 100+/- degrees
- and right now the state is literately on fire!
Now you know why it is a good practice to fly from sun-up to 10:00 am.
Good idea to know your plane - XL's are good performers, but Get checked out before
flying to difficult airports!
Mack
--------
The poh-oh-unemployed farm boy from Idaho
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=406901#406901
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