Re: [Paparazzi-devel] how to select an airframe

[Stephen Dwyer]

Hello Chris (G.),

Unfortunately, we don't have the Rascal anymore. We were also using it before we switched to paparazzi, and it had a Micropilot onboard. It met it's demise during an auto takeoff due to a software "feature"/bug (commercial solutions aren't perfect...).

After this crash, Sig Mfg. was in limbo for a time, and so they only just started making them again. I would have to say though, fantastic large aircraft. It is very efficient with the elliptical wings, much more so than a Telemaster or similar. It is not very easy to transport though.

Thanks,

-Stephen Dwyer

On Wed, Jul 24, 2013 at 6:12 AM, Reto Büttner <address@hidden> wrote:

Hi Chris

 

I guess you are referring to the giant Cessna with 120 inch (3m) wingspan and 25 lb (11kg) weight.

 

I don't think that would be an appropriate choice for Alonsos requirements. He needs to carry a 150g camera in rough field missions. For 150g payload I would choose a plane of max. 2kg. Hand launch and belly landings are mandatory. For his later requirements of 600g payload a 5kg plane must be sufficient. His endurance requirements are much easier to meet using an aerodynamically efficient airframe (glider style) than using a trainer style airframe.

 

I would use a large airframe like the ASM Cessna 182 only if I have a good runway available (preferrably concrete) and my payload is over 2kg.

 

Cheers

Reto

 

2013/7/24 Chris <address@hidden>

Hi.
I agree with all the others here.
Start with something easy like an easyglider or a similar electric glider and after some successfull
auto2 flights then go for something heavier.
The most important thing is to start with a light, slow and stable airframe and then get to the heavier
airplanes.
For the endurance and the payload you want i would go to a big trainer style aircraft like the ASM
Cessna 182 either as an electric or gas powered and the cameras fitted under the wings.
Chris

On 07/24/2013 12:16 PM, paparazzi-devel-request@nongnu.org wrote:

how to select an airframe

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