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

[Ben Laurie]

On 23 July 2013 11:02, Cédric Marzer (privé) <address@hidden> wrote:
> The question about the runway is very relevant indeed as you can achieve a
> long flight duration either by having a relatively high wing load, for
> instance with a 2 m plane with a landing gear packed with batteries

I am curious how long a runway you need - and also if paparazzi
handles landing or whether that's something that has to be done by
hand? (I'm still very much a paparazzi noob!)

> or if
> you don’t have a runway you will need a plane with a nice aerodynamic and
> less wing load (I am thinking for instance of f3j gliders) but you will have
> more problems with wind…
>
>
>
> De : address@hidden
> [mailto:address@hidden De la part de
> Hector Garcia de Marina
> Envoyé : mardi 23 juillet 2013 11:53
>
>
> À : address@hidden
> Objet : Re: [Paparazzi-devel] how to select an airframe
>
>
>
> Hi Cédric,
>
>
>
> would you mind to show such setup? I am curious about the flight autonomy,
> payload, total size and weight of the plane etc.
>
>
>
> Reto also points out a good remark, it seems that you will need a runway for
> this kind of airplane (or at least, a nice big launcher :P).
>
>
>
> On Tue, Jul 23, 2013 at 11:43 AM, Cédric Marzer (privé) <address@hidden>
> wrote:
>
> I would use an electric plane every time it is possible : less vibrations,
> better reliability, less noise.
>
> 50+ minutes flight isn’t difficult to achieve with the right plane and
> enough batteries.
>
>
>
> De : address@hidden
> [mailto:address@hidden De la part de
> Reto Büttner
> Envoyé : mardi 23 juillet 2013 11:24
> À : address@hidden
> Objet : Re: [Paparazzi-devel] how to select an airframe
>
>
>
> There are countless options for your application. To give an appropriate
> advice we would need some more information:
>
>
>
> - How heavy is your payload (camera)?
>
> - How large is your payload (camera)?
>
> - Do you need vertical view only?
>
> - Do you have experience in RC planes?
>
> - Do you have experience in model gas engines?
>
> - Do you have experience in Paparazzi?
>
> - Do you have a runway available?
>
>
>
> Regards, Reto
>
>
>
>
>
> 2013/7/23 Chris Gough <address@hidden>
>
> I agree with Hector that petrol engines are the cheapest way to get
> endurance, and probably a good fit if you really do need 50+ minutes
> endurance. I would add a suggestion that you consider stepping up to
> longer flights after mastering short ones on a plane that forgives
> crashes. For example:
>
>  * a cheap plane with replaceable parts, e.g. skyfun, bixler, etc
>  * a rugged flying wing, e.g. EPP core with a stressed plastic skin.
>
> It's less critical if you are already an experienced RC pilot, but
> still probably a good idea.
>
> In the paparazzi source tree, have a look at
> "conf/airframes/examples", but please understand that you almost
> certainly will have to understand and edit your own configuration.
>
> Chris Gough
>
>
>
> On Tue, Jul 23, 2013 at 3:52 PM, Hector Garcia de Marina
> <address@hidden> wrote:
>> In my opinion, you should aim for a gas hi-wing plane if you want more
>> flights of more than one hour.
>>
>> On 23 Jul 2013 04:41, "alonso acuña" <address@hidden> wrote:
>>>
>>> Hello. I am looking to build a UAV to take photos to make maps. I need
>>> stability and endurance around 50min or more with a small camera. I have
>>> seen so many options and don't have an idea of which one would be better
>>> for
>>> use with paparazzi.
>>>
>>> Also I am wondering how difficult is it to get paparazzi working with a
>>> new airframe.
>>>
>>> Even if I try to stick to one that has been tested I am not sure how to
>>> select one that is in active use so I could request help from other users
>>> and give feedback.
>>>
>>> Any pointers would be greatly appreciated.
>>>
>>> Thanks
>>>
>>> Alonso Acuña
>>>
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>>>
>>
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>
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> --
>
> Héctor
>
> Webpage: http://mathtronics.wordpress.com/
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