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Landing on grass rather than the hard stuff

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Landing on grass rather than the hard stuff

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Old 8th Jan 2009, 15:41
  #41 (permalink)  
Final 3 Greens
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Paul

See below

YouTube - C-GDET, Cirrus SR-20, takes off from a Sand bar on the Thelo

PS, I've never done it, but many have.
 
Old 9th Jan 2009, 04:06
  #42 (permalink)  
 
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Sand.

Ouch has anybody actually done that ? Doesn't it positively spew sand all over the place ?
Landed on sand at an organised Rally, in a Turbulent with a VW engine that is an absolute bu**er to start, so decided not to stop the engine in case the incoming tide beat the starting / swearing exercise, then realised that the stationary vibration was digging me slowly lower into the soggy sand, so kept on the move until I could position myself for a departure, missed the cucumber sandwiches on the beach, but enjoyed the experience nevertheless. Now - if I can only get a VW to start with no electric starter or impulse mag - I might join the next Rally. Hose the beast down when you get home - salt, sand, ever wondered why flying boats are so uneconomical ?

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Old 9th Jan 2009, 04:17
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However, hard runways can be as bad. I know of some (Elstree and Spanhoe being the worst) which are covered in stones....
We have a local one that is rolled limestone, just a mass of stones, trick is to apply take-off power slowly, try to be going faster then the rising stones by the time you get to full power. i.e. leave them behind. In theory.
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Old 9th Jan 2009, 04:31
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Originally Posted by L2H
Hmm--them things, apart from their aerodynamic function, also stop rocks being thrown towards the fuselage/wings. That's how I punched a nice fist-sized hole right through the aileron in a Jodel last autumn (here's a pic of the offending "runway")
Erm, looks like Tignes I think, but where's the 'runway'??
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Old 9th Jan 2009, 09:02
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I've always tended to land a foot/18" left of the centreline and even in a flight sim with a TRE from a major airline observing, I did the same repeatedly and he couldn't see any tangible reason for it , just saying it wasn't dangerous and it was consistent (they lilke consistency.)
I thought it was just me!

NB that on Barra (Scottish islands) there is a scheduled service which lands on the (licensed) beach airstrip. The AIP entry makes interesting reading.

Tim
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Old 9th Jan 2009, 11:57
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I did my first grass landing at Shobdon on my check flight but I had been in an aircraft which used the grass at Sherburn. If you want to try a landing on grass go to Shobdon when it hasn't been raining recently (the gliding fraternity might not appreciate having the runway chewed up) or, for a really lovely strip, Duxford where the grass is maintained to bowling green standards and which has the added attraction of the museum.
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Old 9th Jan 2009, 12:41
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If you want to try a landing on grass go to Shobdon when it hasn't been raining recently
Although I'm starting to wonder if I'll ever fly again...

FARNBOROUGH EGLF 091320Z VRB02KT 4900 BR SCT009 M01/M01 Q1028

I've forgotton what flying wx looks like. Was hoping to fly on Sunday but am somewhat confused at the difference in opinion between the BBC & Met Office. BBC claim it's "very poor" visibility with the Met Office forecasting "Very Good". I bet it's unfliable though
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Old 9th Jan 2009, 13:38
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One guaranteed method of winning friends at freshly-mown grass strips is positioning one's aircraft tail-in towards clubhouse terrace/hangar doors/signals square, et al, before applying full throttle on shut-down/start-up.

jez
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Old 9th Jan 2009, 14:42
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Well over 80% of my flying has been off grass: I learnt (PPL) on grass (RIP Ipswich Airport) and currently fly an Arrow off grass.

All a total non-event.

The only problem I see with a grass strip is that it acts as an irresistible magnet to every chav in the area to come and carve it up doing do'nuts and handbrake turns in their Astras...

Not to mention the dog-walkers, horseriders , kite flyers and all manner of folk who think they have a god-given right to be there.....

Cusco

Last edited by Cusco; 9th Jan 2009 at 16:58.
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Old 10th Jan 2009, 21:28
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No, Middelburg (actually called Midden-Zeeland, EHMZ) is easy. Just ignore the field altogether and look for the point where you join downwind.
- yup, that's exactly what I do. It's difficult to see the field on approach but the entry into downwind is really obvious. Great place to land too! I am still trying to decide if the coffee and applepie are equal to that of Texel... it's a close one...

Regards,

LG
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Old 10th Jan 2009, 21:41
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If you want to try a landing on grass go to Shobdon when it hasn't been raining recently (the gliding fraternity might not appreciate having the runway chewed up)
Was landing there a couple of years ago in the Chippy. Flew a tight circuit for the westerly runway, when a 152 announced 'final' from the next county (don't you just hate it when they do that?). Not wishing to be accused of 'cutting in' I announced 'going around', pulled in the drag flap, and put on climb power.

'The grass is available' said the helpful guy on the radio. So power off again, full flap again, tight turn onto final for the grass, and a full rudder sideslip got me in OK well ahead of the 152 on the 'hard'. But as I swept over the boundary still in the full rudder slip on short final for the 'grass', I noted two glider pilots looking up at me with a jaundiced eye. Were they worried about 'their' grass, I wonder?

SSD
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Old 10th Jan 2009, 22:26
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Most of NZ's local strips are grass and some are like billard tables. I prefer them as it's easier on the tyres and a little more forgiving in a crosswind. Even at Ardmore, I always takeoff on the seal but land on the grass.
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Old 11th Jan 2009, 00:43
  #53 (permalink)  
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Originally Posted by Mark1234
Erm, looks like Tignes I think,
Well spotted! Tignes it is, indeed.

but where's the 'runway'??
See the light brown patch just left of the centre, in the bottom third of the image? That's the touchdown area (landings are from right to left so to speak--the pic was taken during the mid-altitude pass on the pre-landing recce).
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Old 11th Jan 2009, 07:53
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You mean half way up a piste? Lovely

Last grass runway I visited was 1500m long, billiard smooth.. the opposite extreme!
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Old 11th Jan 2009, 09:26
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Originally Posted by Cusco
Not to mention the dog-walkers, horseriders , kite flyers and all manner of folk who think they have a god-given right to be there.....
Solve this by practising giving them a "short back and sides" using a 3 blade composite prop on full bore about 6 or 7 ft above the centerline, but always approach them from the front so you can see the white of their eyes, land, get out and give em a good talking to, asking them why the are they walking on an airfield and point out the signs to that effect. (**TIP** make sure you have the signs up first). Have to say I never had the problem with the petrolheads cutting it up, if I did then my 12 bore would sort em
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Old 11th Jan 2009, 09:57
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Grass is ok ... this stuff isn't so nice -



Stubble!

Had to keep the tail on the ground all the way until lift off for fear of damaging the prop! The transition from hard to grass is easy (note what has been said and with that in mind treat it as if it were tarmac). Going from grass to hard is a little "harder" esp in a taildragger.

SS
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Old 11th Jan 2009, 12:27
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In respect of the short field versus soft field take-off, it would be normal to use a 'soft field' technique on grass. If there are obstacles on the climb out you would use the 'short field' technique, irrespective of surface. Where there is grass with obstacles the two procedures become the same.

KR

FOK

PS: I appreciate this is a Thread about grass landings, but it was discussed in earlier Posts.
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Old 11th Jan 2009, 13:41
  #58 (permalink)  
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In respect of the short field versus soft field take-off, it would be normal to use a 'soft field' technique on grass.
Not sure I would agree with such a black and white statement, FOK.

There are considerations to trade off, e.g. sloshing fuel around tanks in a rolling take off, versus failing to accelerate.

The law of the situation disctates what needs to be in any particular instance, e.g. baking hot day, soil like concrete versus Febuary mudpatch
 
Old 11th Jan 2009, 16:40
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jonkil wrote

Solve this by practising giving them a "short back and sides" using a 3 blade composite prop on full bore about 6 or 7 ft above the centerline, but always approach them from the front so you can see the white of their eyes, land, get out and give em a good talking to, asking them why the are they walking on an airfield and point out the signs to that effect. (**TIP** make sure you have the signs up first).
Trouble is (in my experience) they've usually legged it back to their cars and scarpered by the time I turn round and taxi back to them..........

Except the fat cow who stood her ground and argued the toss that her kid had a perfect right to fly his kite on 200ft lines from the middle of the strip, despite red/white signs 2 feet high saying 'Danger, active airstrip, keep off'.

She prevented the a/c from landing for a good 10 minutes despite fly-bys as you advocate..

Cusco
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Old 12th Jan 2009, 05:54
  #60 (permalink)  
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But as I swept over the boundary still in the full rudder slip on short final for the 'grass', I noted two glider pilots looking up at me with a jaundiced eye.
Well as glider pilots know that powered pilots only use the rudder pedals as footrests, they were probably worried you were about to crash
 


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