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Re: [Paparazzi-devel] FAQ - Are internal combustion engines supported?
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From: |
Adrian Lauf |
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Subject: |
Re: [Paparazzi-devel] FAQ - Are internal combustion engines supported? |
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Date: |
Mon, 31 May 2010 02:23:07 -0500 |
Hi Jeremy,
I once implemented PPZ on a nitro plane before I converted it to electric (I know you're interested in running this on an IC plane, and you have your reasons, but I have to say - once you go electric, you don't go back...) It does work perfectly, and really the only thing you have to worry about is the minimum throttle position in the servo config. I'm not sure about the IC-specific engine kill setting, I just simply adjusted the minimum throttle variable (it's in one of the sample airframes, if you so desire, let me know and I'll send you my IC-enabled one), such that PPZ won't kill the engine when it goes to zero throttle during flight. However, the radio can still override this, based on the minimum servo throw settings in the airframe config.
I used this config with an Alpha 40, and it worked flawlessly. I had to mount the I/R sensors underneath the plane, near the tricycle landing gear's rear struts. I mounted them at 45° to the fuse. Now that it's electric, it runs even better. :)
-Adrian
On Mon, May 31, 2010 at 1:53 AM, Jeremy Reinertsen
<address@hidden> wrote:
Bump. Any suggestions for my question below?
----- Original Message ----- From: "Jeremy Reinertsen" <address@hidden>
To: <address@hidden>
Sent: Friday, May 14, 2010 6:28 PM
Subject: [Paparazzi-devel] FAQ - Are internal combustion engines supported?
Hi folks,
The FAQ states "Yes, not relying solely on inertial measurement, the
Paparazzi system is very well suited for aircraft with high vibration
levels. Care must be taken to prevent oily exhaust residue buildup on the IR
sensors and a simple variable must be added to properly address the special
idle/kill needs of an IC engine."
What is this "simple variable" for IC engines?
Cheers
Jeremy
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