My first built - coro cub piper

Started by tushar112, December 02, 2013, 01:52:42 PM

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tushar112

I am sorry i didn't clicked pics when i was building the model so i don't have much of built pics.. :)
:banghead:

rcrcnitesh

Maker | Aeromodeller | Teenager

manojswizera

Great Tushar,  :thumbsup:
Can you please elaborate the wings. Technique to Build.
Russ-40 Trainer, Mr.moss, Pushler, Skysurfer, Mugi , F-22, Red swan, Xtra-300, redfury, flying mantaray.

tushar112

Model is ready, electronics left ;D

tushar112

i used 4mm coro for fuse and 2mm for the upper cover of the wing.. @ rcnitesh

rastsaurabh

real good finish.....did you use any plan ???? or just your imagination design....

rcrcnitesh

the plans are from here if I am not wrong http://spadtothebone.net/SPAD/corocub/Corocub_1.htm
http://www.rcgroups.com/forums/showthread.php?t=1959141
awesome built superb painting are you building it as your first ever model to fly
Maker | Aeromodeller | Teenager

tushar112

Thanks @ swizera, rcnitesh and rastsaurabh.  ;D

For wing i used 5 mm wooden margin ( sandwiched between 4mm coro for lower panel and 2mm coro for upper panel.
for more use the plan mentioned below by rcnitesh which i used it for the whole const.
yes, rcnitesh i used the same plan  :) and yes this is my first ever model.. :giggle:

Regards,
tushar 

rcrcnitesh

You should add a Dihideral to it or else you will face difficulties read the RCG thread fully
Maker | Aeromodeller | Teenager

rastsaurabh

1. It is yellow tape not paint.
2. Piper does not have dihedral on wings traditionally
3. wheels look too heavy for the model. Although they are looking good.
4. add a corro doubler at the points like - nose , motor firewall, where wings rest on fuse

tushar112

yes this is vinyl which i used instead of paint.
i know wheels look odd but this is what i got at my home ( wheels are from children pram ) :giggle: i will replace them when i will get them from somewhere. ;D
As pes your suggestion, i will definitely add coro doubler at these points, i really appreciate your help and suggestions. @saurabh :hatsoff:

sanjayrai55

Tushar, many congratulations on a very, very good looking model!

What are the specs; wingspan, airframe weight, expected AUW (flying weight), Length.

Good luck for the maiden, waiting for the video :D

theleabres

I have built about 10 Piper Cubs (GWS, Hobbyking models and one scratch built) amd experimented with dihedral variations.  My latest GWS Cub Slow Flyer has very little dihedral and takes several turns even 30 seconds sometime to fullt "self correct" and fly level.   It just de[pends on what you're comfortable with.

To do a short cut, get a chuck or throw glider and convert it to RC such as I did here by adding simple cardboard pieces for ailerons and rudder:




tushar112

converting glider into rc plane, video seems soo nice {:)} {:)} great job @theleabers

tushar112

special thanks to @sanjay sir :) all done by following your posts ;D and thanks for all your helps :salute:

wingspan - 76"
length  -   47"
weight - still not weigh the model update tomorrow
engine - planing to order asp .61 from rc dhamaka

sanjayrai55

Tushar - this is good news! For a moment I thought you you were making the 36" park flyer version  ;D

I suggest take a look at a 55. I have an OS 55AX, nearly the power of a 60, but mounting dimensions the same as a 46. So it can be used in most 40 size models.

I think ASP has an equivalent too

All the best  :goodjob:

rastsaurabh

you will need to strengthen at lot more places to make this air frame for Engined flight....

sanjayrai55

If the Spadtothebone build is followed, it should be good enough

tushar112

but sir os engines are expensive thats why i am going to asp  >:( ;D

sanjayrai55

I said...ASP has a 55 equivalent

sanjayrai55

Check the ASP 52. The main advantage is the higher torque means it can swing a larger prop :D

tushar112

Got it sir :thumbsup: ASP 61 suggested prop - 11x6 whether ASP 52 can spin 12x6
thankyou so much for the great suggestion :hatsoff: 

iwincar

This tape really gives a model solid strength...
how did you manage to get a clean finish on the tape rapping?
Is there any direction lines you followed while taping specific parts. Like we choose coro flute directions in using wing or fuse,tail ..eg verticals horizontal etc

sanjayrai55

Good point there iwincar. I've only used vinyl for trims and decoration, so no problem. Tushar: any tips??

tushar112

sir, i just cut oversize piece of vinyl (i.e if the fuse is 20"x 6" i cut 25"x 9"). Then i totally peeled the paper out of vinyl, paste on first end point and started pressing the vinyl from first end point to second, cut the extra part of vinyl.
I used paper pin to puncher the air bubble in the pasted vinyl and pressed it so air can come out for perfect finish.

If u got long wrinkle while pasting, make a long cut at upper most part or the wrinkle and press both sides so can overlap. That's what i did.