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TDZ precision markings

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Re: TDZ precision markings

Postby SurferTim » Tue Jul 23, 2019 8:43 pm

Isn't that where it is supposed to be? It should be about 2/3 down rwy08, near that mid-field taxiway.

Is that where it is? If so, I will increase the slope on the other side about the same.

Try this edit:
http://www.prolectron.com/flightgear/N49W003.hgt

If you post your scenery like you did before, I can take a look at it with the UFO
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Re: TDZ precision markings

Postby legoboyvdlp » Tue Jul 23, 2019 11:36 pm

Unfortunately there isn't one single rise 2/3 down the runway. At each end there is a rise. One is up to 277 feet and as far as I remember the other is 274 feet. This is shown in the chart which I linked you already as well as the photograph of the runway.
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 8:15 am

legoboyvdlp wrote in Tue Jul 23, 2019 11:36 pm:Unfortunately there isn't one single rise 2/3 down the runway. At each end there is a rise. One is up to 277 feet and as far as I remember the other is 274 feet. This is shown in the chart which I linked you already as well as the photograph of the runway.

No, it isn't. The chart you provided shows the threshold elevations and the highest point on the runway, which is 2/3 down rwy08. I see no other elevation data on the runway. If I am missing it, please point it out to me.

Edit: I went back to examine the airport charts, and now all are showing either error 403 (forbidden) or error 404 (not found) .
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Re: TDZ precision markings

Postby Alant » Wed Jul 24, 2019 8:44 am

If you can not get access, see my previous post and sign up for an account. It is free.

Alant wrote in Thu Jul 18, 2019 3:58 pm:You can get it by registering at https://www.ead.eurocontrol.int/fwf-ead ... .home.page. It asks for a pilots license number, but if you scroll down to license type "----" this is bypassed.
Once logged in, go to "Prepare my Flight" and select airfield EGJJ.
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 8:49 am

Alant wrote in Wed Jul 24, 2019 8:44 am:If you can not get access, see my previous post and sign up for an account. It is free.

Alant wrote in Thu Jul 18, 2019 3:58 pm:You can get it by registering at https://www.ead.eurocontrol.int/fwf-ead ... .home.page. It asks for a pilots license number, but if you scroll down to license type "----" this is bypassed.
Once logged in, go to "Prepare my Flight" and select airfield EGJJ.
Alan

No. If you have access, check the airport diagrams, maps, and data to see if it does have a location for those "dips" or "rises" in the runway.
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Re: TDZ precision markings

Postby legoboyvdlp » Wed Jul 24, 2019 12:04 pm

I'm looking at the chart right now and it says:

271 274 277 272

That is, 08 threshold is at 271 and rises to 274 at the TDZ, then there is a flat bit then a rise to 277 at the 26 TDZ and 272 at the 26 threshold.

Notice it isnt a constant slope from 274 to 277 but a flat bit (dipped down a bit) between them -- see the photograph!
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 12:18 pm

Great! Here is a pic of the current grade:
Image
Show me what you want.
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Re: TDZ precision markings

Postby legoboyvdlp » Wed Jul 24, 2019 12:23 pm

The 84 metres needs to move further east, maybe about 4-5 squares and I would need 83 metres at a similar distance on the west. Leave 82 metres in the middle (as it is now). Thank you!
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 12:54 pm

Here is the latest grade:
Image

Here is the hgt file for that grade.
http://www.prolectron.com/flightgear/N49W003.hgt

If you want exact changes, may I suggest downloading that image, and use a image editor to mark where you want what, then post it here.
BTW, those squares are about 90 meters tall, and about 70 meters wide at that latitude.
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Re: TDZ precision markings

Postby legoboyvdlp » Wed Jul 24, 2019 1:49 pm

Aaaah, that's better but the 83 needs to be far shorter and further west, the 84 needs to be further east and there needs to be 82 between them. I'll draw a picture shortly when I get home :)
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 1:52 pm

legoboyvdlp wrote in Wed Jul 24, 2019 1:49 pm:I'll draw a picture shortly when I get home :)

Now we're talking! Download the image above and mark it with vertical lines to denote what elevation you want.
I'm going to be out for several hours. I'll check here when I return.
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Re: TDZ precision markings

Postby legoboyvdlp » Wed Jul 24, 2019 3:29 pm

Image

Image
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 3:48 pm

How is this? No 83 between the 82 and 84. Not too steep?
Image

HGT file here
http://www.prolectron.com/flightgear/N49W003.hgt
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Re: TDZ precision markings

Postby legoboyvdlp » Wed Jul 24, 2019 3:53 pm

Perfect! Thank you :)

No, it shouldn't be, if I use max-slope properly.
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Re: TDZ precision markings

Postby SurferTim » Wed Jul 24, 2019 4:01 pm

If it needs a bit of fine tuning, let me know what you need.
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