[Flightgear-devel] Starting engine using FGNetCtrls

2012-05-31 Thread Viktor Radnai
Hi all,

I'm going to use Flightgear for developing/testing UAV code (yep, 
another one of those :) ). I'm currently putting together an SDL app 
that communicates with FG.

I'm using the FGNetCtrls structure from net_ctrls.hxx. I'm trying to 
start the C172's engine but when I set startup_power = 1, the engine 
tries to start, but won't. Flightgear behaves like I was repeatedly 
pressing the 's' key several times per second rather than holding it 
down, so the engine spins up, but not quite enough to start. Am I doing 
something wrong?

Thanks for your help in advance.

Cheers,
Vik

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Re: [Flightgear-devel] Starting engine using FGNetCtrls

2012-05-31 Thread Ron Jensen
From eng_io320.xml:
  idlerpm 550.0  /idlerpm 

The engine needs to reach 440 RPM to start (80% of 550, the coded idle RPM) if 
you're reaching above 440 RPM make sure you've engaged fuel and magneto 
controls. If you're not reaching that perhaps you need to look into the 
controlling nasal as the c172 uses some non-standard stuff. Also make sure 
you're not sitting with a strong tailwind as that can affect some propeller 
configurations and make them harder to turn.

Ron

On Thursday 31 May 2012 15:16:42 Viktor Radnai wrote:
 Hi all,

 I'm going to use Flightgear for developing/testing UAV code (yep,
 another one of those :) ). I'm currently putting together an SDL app
 that communicates with FG.

 I'm using the FGNetCtrls structure from net_ctrls.hxx. I'm trying to
 start the C172's engine but when I set startup_power = 1, the engine
 tries to start, but won't. Flightgear behaves like I was repeatedly
 pressing the 's' key several times per second rather than holding it
 down, so the engine spins up, but not quite enough to start. Am I doing
 something wrong?

 Thanks for your help in advance.

 Cheers,
 Vik

 ---
--- Live Security Virtual Conference
 Exclusive live event will cover all the ways today's security and
 threat landscape has changed and how IT managers can respond. Discussions
 will include endpoint security, mobile security and the latest in malware
 threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
 ___
 Flightgear-devel mailing list
 Flightgear-devel@lists.sourceforge.net
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Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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