Shikra- Build and Fly log from RCforall

Started by rcpilotacro, May 06, 2011, 06:15:53 AM

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sundaram

@Ujjwaana if 2812/7 2200 KV Photographs posted by you, works fine then a 2812/6 2200KV also should work fine with 3S I suppose?

rcforall

Quote from: Divyam on May 18, 2011, 09:31:04 AM
Is there any way I can use an existing 2s battery in this plane? Using a different motor, maybe?
Excuse the noobness, but may just look into getting into planes :)

Divyam ,
The std I supply is a 2 S 1300 mah battery it works fine with a 2805 /2840 KV motor and when check with watt meter the draw is below 20 amps.

I found this combo is the best for beginners as the plane is docile and easier to control as compared to a 3 S.

Sai
www.zuppa.io : vehicle telematics, ADAS, IoT , Drones

ujjwaana

Quote from: sundaramvelar on May 18, 2011, 10:06:05 AM
@Ujjwaana if 2812/7 2200 KV Photographs posted by you, works fine then a 2812/6 2200KV also should work fine with 3S I suppose?
As long as it is around 2200Kv (for a 6x4 prop or less) and draws around 20AMP, it should be good for the plane, provided your efficiency is not terribly wrong below 60% or less.

And beginners, even though this plane does not have high roll rates, it has a nasty tendency to do a tip stall at tight turns/while trying to loop/inverted. So for the 5-6 flights, fly at atleast 50-60% Dual Rates.

As Sai sir has specified, with a 2S, try to have a Motor with even higher KV, like 2800Kv+
Futaba 8FG Super | HK-450v2 | FA-22 Raptor |AXN Floater-Jet | FunJet | Black Horse Edge 540 | Amp Master 015 | 2.3M Big Brother

rcpilotacro

#28
Here it goes
2805 5x3 prop ( same setup as sandy)
Flew with 1000 mah 2s, 1300 mah 3s, 2200 mah 3s.
Flying time 20 25 & 37 mts soaring, less than half of that in extreme aeros.
Tried hover since aileron is out of prop wash torque roll was imminent, so could somewhat control It with low power setting tailsliding manouvre.
+1 on tip stall. This one surely is for intermediate soarers not for beginners.
Ht loss in a power off stall is 30 feet and stall is 6 degs( so don't give it to a novice he will stall it on finals).
Flew from 45 mm to 55 mm aft CG. at 55 slightly difficult to control.
As a FPV platform,? I doubt it. Cam can be mounted though.
Honest opinion
Between shikra and easystar, ? Easy star anyday, easystar is more forgiving and beter designed,
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

rcpilotacro

#29
Once anwar bhai tells me how to upload pics from my iphone will upload some good pics of shikras in formation etc , presently online from my iphone4 only, no pc internet as yet
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

anwar

I don't think that is natively supported.  You can try AirMe to push them out to one of the photo sharing sites, and then link them from here.  There is also a non-free browser called iCabMobile, which claims to have upload capability.
Hangar : Please see my introduction.
RC India forum and me : About this forum.

anwar

Recents events reminded me of the simple solution of sending the photos to someone via email, and them uploading it ;D

PS: Why do people tend to overcomplicate their lives ?  8-)
Hangar : Please see my introduction.
RC India forum and me : About this forum.

sundaram

Over complicate ?  8-)

Anwar Bhai,

Some of the best photographs loaded on the forum is from my Phone directly. In fact of late almost all photographs are directly uploaded from my Phone.

Its only that my official camera man is all huffed and puffed since he is missing out all his flying and i am unable to get him to shoot. you know which little pilot I am talking about.

Further I have started to just enjoy only flying, so not cared to shoot.

May be just I should carry Ashta sir's patented Hat camera next time to get good video's.

Some of the gusty's Photographs I could extract from his FB.

rcpilotacro

Gr8 pics thanks, I was trying to call you to take it from fb and upload. My email couldn't upload easily, in fb I could upload easily, troubled santhosh finally, thanks to both of you. Hand is swollen and paining, high on 500 mg antibiotics, for two days off flying looks like, or could I try it with one hand ... Mmmm let me think about it.

Sad news is my 7C is missing, probably from the field ,
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sundaram

That is very sad. Even I remembered and was wanting to ask you if you had located 7C till now after seeing the last photo above. I am sure that you did not leave it on tarmac. you packed it in your Tx Case when it started raining.

I am hopping like hell you will locate it with someone or somewhere you went after you left tarmac that day.

rcpilotacro

In one option 2805 comes with it. Use 2 cell batt , if using 3 cell later might have to change your prop to 5x3 . However 2805 is designed for 2 cell 7.4 volt. 2822 is not a bad option either. Combo esc motor and prop available with RCD.
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sundaram

Avatar colour scheme to scare all eagle away  :giggle:

SunLikeStar


sundaram


rcpilotacro

Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sundaram


rcpilotacro

2805 motor that came along got burnt in midair, did a smokey landing at a picnic spot, changed to 2822 motor, will use 5x3 prop, or else will go with 5x5, for small hiccup please read (http://www.rcindia.org/electric-planes/new-arrivals-fpv-raptor-soaring-eagle-pheonix-indoor-mini-cessna-popwing/msg73900/#msg73900) and subsequent, response by mr sai,
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

rcpilotacro

Sandy has the same setup, same motor, his is working perfectly fine, may be I got a bad motor, ( it lasted for 10-15 flights though) , it was the third flight of the day with more than 1/2 gap between flights.
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sundaram

OMG !!!   >:D  (:|~  >:( :o  ;D  ;)

How come gusty's shikra turned out to be more beautiful than mine.

;D

anwar

Hangar : Please see my introduction.
RC India forum and me : About this forum.

rcpilotacro

It is alled the silk colors ,from fevicrl, not available these days easily, I love the peocock theme, tomorrow we are going to fly both my scratch built, yellow and white bird( please suggest a name. For it) and these shikras
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

rcpilotacro

#46
My is Turuk Macto, the Rider of the Last Shadow.

The other day, due to Shikra doing flying which it is not supposed to, the wing dislodged in flight, uncontrolled spin, recovered it wading through the slush (Sandy and I),
anyways
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sushil_anand

Quote from: augustinev on September 02, 2011, 08:06:54 PM

The other day, due to Shikra doing flying which it is not supposed to


Gusty

Please let us all know what it is/was supposed to do/be doing, if not "doing flying"? ;D
Hangar: Zlin 50L -120, CMPro Super Chipmunk, Ultimate Bipe EP, Imagine 50, Christen Eagle 160, Ultra Stick, Super Sports Senior

rcpilotacro

it did a flick roll, flat spin landing, let me see,  and pylon racing, for starters. will Mr Sai approve of it  :headscratch:
Gusty's Hangar and Introduction.

A Good pilot will practice until he gets it right,
A Great pilot will practice until he can't get it wrong.

sundaram

Quote from: anwar on August 13, 2011, 03:35:39 PM
What paint was used ?

Mine is mix of fevicryl silk colours over solvent based glass colours and Gusty's is purely Solvent Based Glass colours. Interesting it is that EPO is totally not affected by solvent based colours and paints unlike any other foam which would have been eaten up with solvent based colours, EPO is just not affected. Infact water based glass colours tend to flake away on aberrations but not the solvent based ones. In Fact I tried using clear coat and plain colour glass colours as fixative and gloss. it works perfectly.

Gusty, That Reminds me I have to rewind your 2805 to a 2000KV so that we can do that formation flying again in near future.