Shikra- Build and Fly log from RCforall

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

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rcpilotacro

Got this from Mr Sai,

Unboxing

1. I got the  one with motor prop and other stuff , without the ESC [Since i already had one]
2. The Elapor is tougher than Multiplex Stuff (Since I own Parkmaster Acromaster and Funjet i can say that), appears more dense. Strength is a shade more than Multiplex stuff.
3. It came with all other hardware necessary (Minus Y Connector and Control Horns) incl prop saver (Is prop saver required for a pusher ?), anyway one more prop saver wouldn't hurt, (I wish he had given prop nut instead)
4. Horizontal and Vert Stab came in a separate pack (I dunno why)
5. Wing Joiner and Longitudinal CF Rod came with it. (Multiplex gives one plastic string, CF Rod is better)
6. I has elevator, Aileron and Rudder
7. Print quality of the manual was poor (Printed out of ink runout inkjet printer)

for the build quality and hardware supplied i would give 8 ★ out of 10

Edit
Not much, minor changes
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

Watch this space for build and fly log, may be FPV (If this platform proves itself)
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.

ankitbaid

I have also purchased the same.
But elevator and rudder were missing from my pack..... :headscratch:
However , i talked with rcforall and the parts are on way  :)

SunLikeStar

They should make a checklist of parts to be packed.

Quote from: augustinev on May 06, 2011, 06:15:53 AM
3. It came with all other hardware necessary incl prop saver (Is prop saver required for a pusher ?),
Prop saver is not a good idea, if it slips on the shaft it can rip out the motor mount and damage the tail boom.

sundaram

I have also bought the same but only airframe. My package through DTDC unluckily came mauled by the courier chaps :'(.

The wing foam cover for the carbon fiber rod slot were missing and the Nose and tail of the fuse was also damaged.

However Mr Sai was very kind enough to send me a replacement. The replacement are on the way.  :thanks: to Mr Sai.

I agree with Winco on the quality of foam it is different and much better than any other foam I have seen till date. I am eagerly waiting for the replacement to arrive to add to the build log.

rcpilotacro

#5
Dry Fit Shikra

1. Clarification :- There is no Y Connector, you'll have to buy one if you need one (I won't need because i will be putting them on different channel for Elevon, Crow and Flaps)

PS
Did you see the gorgeous beaver in the background, next build log and Fly log 'Thunder Tiger Beaver'
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

Coro Canopy ? the concept is unconventional and the achilles heels as far as shikra i concerned ,
for such a beautiful aircraft caro canopy ???, a wooden mold and hot blown plastic sheet would have sufficed ? may be Mr Sai was racing against time. Once going onto FPV, in any case , out goes the canopy
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


anwar

Quote from: SunLikeStar on May 06, 2011, 08:39:16 AM
Prop saver is not a good idea, if it slips on the shaft it can rip out the motor mount and damage the tail boom.

All the AXNs come with prop-savers, and they do seem to work very well.
Hangar : Please see my introduction.
RC India forum and me : About this forum.

SunLikeStar

I had an incidence when one blade of the prop on my easystar broke in half, in flight. The motor mount came off clean and had severe damage to the boom. But then again i have never seen an AXN so may be i should :-X

PankajC

Was not able to locate this model on Sai's store.. what are the specs and price?
Spektrum DX6i | EP Pusher Trainer | EP CUB |

rcpilotacro

#11
I started the build, then realized there is no motor mount, the manual supplied showed BMI models so searched there and learnt , Shikra is reversed engineered BMI Models Arrow (http://www.bmi-models.com/#en/12630_-_Arrow/6/3893)

Nothing wrong with that, same Arrow in India would cost you a bomb probably, Since Shikra's manual is incomplete i am enclosing Arrow manual here (Size is big therefore only the link), meanwhile cutting out the bottom portion of the slowstick mount and trying to make a motor mount, so the build has to wait till Sunday, also trying our polyfix CA (Got it from VK for cheap, let us see if it works [i guess for 45 :Rs:]

Manual for Shikra can be found here (http://www.rcindia.org/myfiles/Shikra_Glider_Assembly_Instructions.pdf)

Complete Arrow/Shikra Manual can be found here (http://www.bmi-models.com/download/Arrow%20manual.pdf)

Manual that came with Shikra is a few pages of above mentioned manual

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

You can send me the manual, and I will make it available.  Even better, Sai should send the most updated one.
Hangar : Please see my introduction.
RC India forum and me : About this forum.

rcpilotacro

i'll email, this is what he made, he is in china as we speak, may take some time
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.

pvn2000

Gusty sir i received my Shikra too but what about the mount the gws type stick mount has to  be modified i guess...

SunLikeStar

If its like easystar then you can mount it on an empty can of old brushed motor like the permax 400.
I've mounted an outrunner on my easystar like this.

rcforall

The Shikra will be sent from now in a hard corrugated box.
As for the canopy a bubble canopy is impossible to make for around 100 planes the cost is high , so I fell back on what I know best coro the versatile alternative  looks a bit wierd but having my origins in Coro I tend to be a bit poor on asthetics .
Sai
www.zuppa.io : vehicle telematics, ADAS, IoT , Drones

rcpilotacro

Mr sai, i made one transparent Canopy (Traveled to calcuttta to do it), will post soon, motor mount from RCD, should look good , smaller batt from VK just arrived. By Wed i should be getting her into air, Insah Allah
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.

ankitbaid

Gusty sir : I am also making the same. There were some issues with the glue i had (Bondtite) , and so had to reglue a couple of parts and so m behind on it. Could you please help me with the canopy ?

sundaram

This is my Shikra assembled complete only the control linkages need to be connected and electronics rigged.

Any guess the motor mount is made of what?

I did not receive the screws for the control horns too so some modification with 1.5 mm carbon rods there too.

The replacement fuse was also delivered mauled by DTDC, even though it was nicely packed in two layers of elapor foam. Therefore the fuse and the nose is slightly deformed even though repaired.

sundaram

I have a 2805, a Turborix 2000 which is rewound after a burnout which is also now having close to 3000 KV, and a 5000 KV 200 watts motor. All suitable for 2S setup. I am unable to makeup my mind on which one to use.

ujjwaana

Great build Sundaram sir! hope you soon would hit the Clouds. If you have a spare 2mm solid/6mm flat CF Rod, I would suggest you to re-inforce:

1. Belly of the fuse with 6mm Flat/2.5mm Solid CF Rod and put wide Fiber Tape over it.
2. The Tail plane with 2mm
3. Elevator with 2mm
4. reinforce leading edges of wing and Tail with Fiber Tape.
5. Cut the Ailerons and re-hinge with Scotch tape.

I have no doubt the Shikra is part by part compatible to AXN Floater/Clouds Fly. But looking at the motor mount, I feel that it would have been better that at least the original Motor mount of AXN was provided with the Shikra kit. But then this is the story with all 'Crash Kit' of all the famous models. You pay  through the neck for stupid parts, if at all they are available.

I am posting the pic of the motor mount. It fits so well like a glove on the motor Pod!! Great design to allow range of motor to be fitted!!
Futaba 8FG Super | HK-450v2 | FA-22 Raptor |AXN Floater-Jet | FunJet | Black Horse Edge 540 | Amp Master 015 | 2.3M Big Brother

warriornair

can it hold a 2200maH 3s1p , 25C lipo.......

sundaram

Thanks Ujjwaana,

I was also planning on doing the reinforcement part as spelled out by point 1-5. I have a GWS stick mount, Then I thought why not improvise.

Beauty part is this foam is unaffected by solvent based glass paints also. I have done some sample paints on the pieces cut out from wing surface (foam injection burs) with acrylic, enamel, solvent based paint and solvent based glass paint. will update result after studying the adhesion and durability of all types.

If adhesion of glass paint is good it will give a shiny smooth finish and bright colour because of white background.

Divyam

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 :)
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