Before flight

All that is reqd is some 1/16" or 1.5mm balsa sheeting on the fuselage...

like on 3 sides ?

will try that tonight
thanks

Any suggestions on how much throw to keep?

@Aneesh.p,
Elevator needs very little throw (assuming not grossly nose heavy), ~10deg each way.
Rudder needs more (as no ailerons), ~30deg each way.

@K K Iyer sir
After a lot of searching
I got only 12x6,12x3.8,13x6

i will do a thrust test tomorrow
Should i leave 12x3.8 ?

I used to practice flying on Real flight 7(software)
recently i have started designing planes in simulator and have tested my solar plane with different configurations whiled initial designing

After my 2nd flight test i tried simulating my flight test in software
with 125% turbulence and 7kmph winds i felt the same as flying in real

and since i have already had the battery reading of my 2nd flight test, thought to compare it with the software
Flew the plane same way and for the same duration :ie 5min

To my surprise its almost accurate
it flew with the same throttle level as in real
amount of battery left after real flight test is 2288 and in software its 2297
and the watts for constant level flight is 35watt arounnd

have any one done this before?

real flight simulator
just edited the physics not visuals

After the 3rd flight test--flew wonderfully--and good landing too

will start working on solar from tonight

will upload video by tonight

Excellent 

A few final suggestions:
1. Reduce aileron throw, as your ailerons are quite large
2. Add aileron differential
3. Mix 10% rudder with aileron

You'll be surprised at the improvement in handling.

Next project (before solar):
One minute climb at 80-100% power. Then see how many minutes of glide you can manage!

sir, thats something new i have never tried ,will definitely try  that

because we gona have our sem exams the labs will be closed by next week so for now we are concentrating on solar cells integrations and testing

any suggestions for testing?

 

Beautiful Aneesh. 
love the flight. it glides very well.

Thanks everyone

@aneesh.p,
Looks like you didn't see this
http://www.rcindia.org/rc-general-topics/solar-impulse-2-history-being-made/msg253177/#msg253177

I'm on it sir

working all day-solar cells attached

Hope this gives the expected results

so any idea to attach solar cells to battery and to charge battery in level flight?

@aneesh.p
Looks great!
12v x 8a = 96w
So should easily give 40-45w for take off / climb.
If your proposed ground test to estimate thrust is successful, try a short test flight without battery.
That will save you 200gms.
Tomorrow is Sunday, the scheduled day for all test flight...

(Learnt something new. That a hostel bed is a good workbench )

Quote from: Aneesh.P on April 23, 2016, 08:32:33 PM
so any idea to attach solar cells to battery and to charge battery in level flight?

From my 1960-70 knowledge of electronics, i expect that
1. You will need a diode to prevent the battery from trying to charge the solar panel
2. Your 24 cells (hope they are in series ) will probably not have the potential difference to charge your lipo to 12.6v

Come on all you electronics hotshot members of RCI, tell us what to do!

Meanwhile consider a test flight without the battery.

sir each cell is 3.33 watt @0.57 volt=13.68v max
i'm expecting 5 amps est around with this sheeting

i hve bought one10amp diode,a buckbooster
the circuit im thinking
cells-buck booster-diode-battery-esc-motor
battery will be connected in parallel with esc and solar cells


but dont know how to stop charging once battery is full
will this setup work?

In my clg, ground will be full on weekends so flight test will only be possible on weekdays
moreover testing the solarcells might take 2days and ground testing for other 2days,permission for testings atleast a day
so next flight test might take a week

solar charge controller should work best but a diode o-ring will be okay and will not charge the battery. Bench or ground test your setup before flight.

Sahil

Edit: and a lipo cell balancer circuit between the MPPT and battery.