Author Topic: Turbine / Jet Profile Types  (Read 1077 times)

Offline rosscogswell

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Turbine / Jet Profile Types
« on: July 09, 2015, 08:47:42 PM »
Hello, congratulations to all the Plan-G team for a wonderful piece of software!

I've just started playing with Aircraft Profiles and have written one for the Raytheon T-6A Texan.

Unfortunately, when I load this profile and set up a flightplan I get zeros for all the fuel planning parameters.

Tried reading the manual and searching this forum. Tried downloading other folks turbine profiles and they do the same. When I switch back to the Baron profile, all is well again.

Can anyone help me? I'm sure I've missed something obvious!

Pictures (worth a thousand words) are attached.

Ross

Offline TreeTops

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Re: Turbine / Jet Profile Types
« Reply #1 on: July 09, 2015, 09:42:44 PM »
You have unusable fuel set to the same value as max fuel. Ie no usable fuel.

Offline rosscogswell

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Re: Turbine / Jet Profile Types
« Reply #2 on: July 10, 2015, 08:09:29 AM »
You are absolutely right TreeTops that was my first mistake. Good spot!

I corrected this by making Unusable=0, but I still get the same result.

Tried putting a couple of numbers in the piston section, that is, unchecked the Turbine / Jet checkbox to reveal Piston Performance fields, and the flightplan starts to reflect these numbers.

It is when the Turbine / Jet Performance fields are used alone that the problem happens.

Also, In the Fuel Reference fields (common to both Piston and Turbine / Jet), I have used pounds per hour. Should they be USG?

Ross

Offline tim arnot

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Re: Turbine / Jet Profile Types
« Reply #3 on: July 10, 2015, 11:06:32 PM »
Looks like a bug. I'll investigate - thanks.

Tim. @TimArnot

Offline tim arnot

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Re: Turbine / Jet Profile Types
« Reply #4 on: July 12, 2015, 03:43:22 PM »
Okay, you still need to set the climb rate/ descent rate etc. parameters on the Piston page, even though they're not shown on the turbine page.

Tim. @TimArnot

Offline rosscogswell

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Re: Turbine / Jet Profile Types
« Reply #5 on: July 13, 2015, 06:41:27 PM »
Thank you Tim - my mistake missing that.

I'm very much enjoying using this software - thank you for what you have provided to the community.

Ross

Offline tim arnot

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Re: Turbine / Jet Profile Types
« Reply #6 on: July 14, 2015, 09:26:11 AM »
Next version will have the missing boxes on both pages :)

Tim. @TimArnot