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« on: October 12, 2013, 10:30:47 AM »
rcrcnitesh
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hello everyone I took the courage and took the print out of the blubaby 42" kfm3 version now i am going to build the rudder and the elevator first. Then I'll build the wings then the monobloc then the fuselage.
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« Reply #1 on: October 12, 2013, 10:38:47 AM »
RCNeil21
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Patient Zero



Why are you going backwards? first build the fuse the wings then tail stabilizers
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« Reply #2 on: October 12, 2013, 10:45:46 AM »
Mjet
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at the time of making landing gear , dont follow the traditional build for Blue baby, suggested technique of making landing gear is not OK. you can check my blue baby build log.
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« Reply #3 on: October 12, 2013, 11:57:01 AM »
rcrcnitesh
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thanks mjet
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« Reply #4 on: October 12, 2013, 12:06:27 PM »
rcrcnitesh
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Rc neil I am actually cutting the pieces till now I've cut the elevator and the rudder.
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« Reply #5 on: October 12, 2013, 12:18:47 PM »
Priyum
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WingsForLife



Please post the pictures of the build progress.
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« Reply #6 on: October 12, 2013, 12:28:14 PM »
rcrcnitesh
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sorry for the poor quality of the pics
till now i have made the rudder and the elevator
the cut outs are of waste quality thinking to sand them down and smoothen them

WIN_20131012_122557.jpg
Re: My blubay 42" kfm3 build log.
* WIN_20131012_122557.jpg (42.63 KB, 800x450 - viewed 468 times.)
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« Reply #7 on: October 12, 2013, 05:45:56 PM »
sanjayrai55
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Go for it young man  Clap Clap Clap

All the very very best. BluBaby - great choice!!
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« Reply #8 on: October 12, 2013, 07:26:43 PM »
umayash1
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I Appreciate this, Making the Airplane is much better idea then making threads on the RcIndia..

Good Going Thumbs Up Thumbs Up
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« Reply #9 on: October 13, 2013, 10:54:22 AM »
rcrcnitesh
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hello everyone I am thinking of using this power combo will it be good
motor
http://rcbazaar.com/products/1944-avionic-m223015-kv1780-micro-brushless-motor.aspx
prop
http://rcbazaar.com/products/383-slow-fly-propeller-8-x-6-sf.aspx
esc
http://rcbazaar.com/products/806-avionic-20amp.aspx
battery
http://rcbazaar.com/products/1739-wolfpack-1500mah-25c-74v.aspx
or
http://rcbazaar.com/products/1746-wolfpack-1800mah-15c-74v.aspx
or
http://rcbazaar.com/products/1738-wolfpack-1300mah-20c-74v.aspx
or
battery no. 4, 5 or 6 in this thread
http://www.rcindia.org/for-sale/few-batteries-for-sale-14250/msg156983/#new


servo
http://rcbazaar.com/products/794-avionic-av9a-9g-servo.aspx
radio
i guess you must be knowing which one




If any other alternative to the elecs please tell me.
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« Reply #10 on: October 13, 2013, 11:00:48 AM »
rcrcnitesh
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Instead of using kfm3 I am going to use kfm2 airfoil
as kfm 3 will make the wing more thick.
so is kfm2 equal to kfm3 in terms of lift produced.

or I should go for other airfoil.

I've made many changes in the plans
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« Reply #11 on: October 13, 2013, 01:35:34 PM »
aniket210696
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follow the plans to the t...! don't change unnecessarily!

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« Reply #12 on: October 13, 2013, 02:39:16 PM »
rcrcnitesh
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I've changed only for the kfm2 and the slot where the elevator is going to fit in the fuse
please tell me a suitable airfoil
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« Reply #13 on: October 13, 2013, 05:10:54 PM »
aniket210696
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use the kfm3... why change a tried and tested plan???
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« Reply #14 on: October 13, 2013, 05:12:52 PM »
aniket210696
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use a 8*3.8 prop, as specified on the motor specs.... if you use a prop with too much pitch, it can strain and burn the motor...
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« Reply #15 on: October 13, 2013, 08:56:50 PM »
rcrcnitesh
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I have changed because the wings will be too thick then
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« Reply #16 on: October 13, 2013, 09:31:57 PM »
aniket210696
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what thickness material are you using? post some pics...

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« Reply #17 on: October 14, 2013, 09:04:06 AM »
rcrcnitesh
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10mm thick normal thermocol.
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« Reply #18 on: October 14, 2013, 09:11:09 AM »
aniket210696
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wow.. that's thick
. OK do a thing, make a kf2 aerofoil.

and don't forget to Sand down the whole thing... try to get some thinner thermocol

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« Reply #19 on: October 14, 2013, 09:27:04 AM »
AnjanBabu
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If it's low desity Thermocol, use CF rods for reinforcement and layer it with packing tape for strength.   Thumbs Up
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« Reply #20 on: October 14, 2013, 09:33:12 AM »
rcrcnitesh
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That's what I am going to do anjan bhaiya.
@aniket sanding will make the foam more weak its already weak.
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« Reply #21 on: October 14, 2013, 09:54:50 AM »
AnjanBabu
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20mm should be fine for a 42" wingspan. Just sand the leading edge to make it more like a blunt knife edge.
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« Reply #22 on: October 14, 2013, 10:01:54 AM »
rcrcnitesh
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Ok I will surely do it
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« Reply #23 on: October 14, 2013, 10:19:20 AM »
aniket210696
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if you  cant get cf rods, use strips of wood....though they might be a little heavy....
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« Reply #24 on: October 14, 2013, 10:24:36 AM »
rcrcnitesh
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thanks I will use whatever I get
I have doubt will the above mentioned electronics will work perfectly for this plane
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