Hi, VC Sir,If you have 1047 and /or 1138 prop, would you please post your experience, (Flight time, watt, thrust etc. As your baby is a very good floater for it's wing, and you are getting RCPA, JOINT measurement will be really helpful to us.

we are waiting for your video and experience please.

Quote from: VC on July 24, 2012, 11:42:56 PM
Motor - EMax 2822 @ 1250 Kv
ESC - Turnigy 25/30 A
Prop - GWS type 9 X 6
Battery - Turnigy 1600mAh 3S 20 C
Servos - 3 X 9 gram Hextronics

Sir i think Cf2822 will be some under powered.

Hi VC,

I found some specs for this motor.

Features-

EMAX CF2822Outrunner Brushless Motors

It is the very high power delivered by these small and very robust, but light weight (39g) brushless motors with rotating case suitable for all models of 300-400 size .

Product details

-No. Of cells：2-3 Li-Poly
-RPM/V：1200RMP/V
-ZMax. efficiency 82%
-Max. efficiency current： 7 -16 A (>75%)
-No load current / 10 V ： 0.9 A
-Current capacity ：16 A/60 s
-Internal Resistance: 150 mohm
-Stator Dimensions: 22x10 mm
-Shaft diameter: 3 mm
-Weight: 39 g
-Recomended model weight :200 -600 g
-Recomended prop without gearbox : APC 7X4 /APC 8X3.8 /APC 9X4.5 /APC 10X5
-Propeller: 10X5
-Max Current:14.5A
-Max Trust: 710g/1.5lb.
Item Packing

Approaching the final stages of the build. Control horns cut out from plastic card (wanted this to be a SPAD in every respect, so I didn't use ready made horns), servos (HXT 900) mounted. Windshield attached.

Wing stays made out of pencil dia bamboo.

Your Avispad looks great VC.

Some help from spadders - Is there a reason why most spads have the aileron servo mounted upright on the upper surface of the wing.

http://www.spadtothebone.net/SPAD/Spadet/Page2/Page19/Page20/Page36/page36.html
http://www.spadtothebone.net/SPAD/Debonair/Page29/page29.html

Doesn't this add to the drag, even if little? If on the other hand this was mounted on the underside, so it can be concealed withing the fuselage when the wing is strapped on (like in most balsa trainers). Is it done to provide clearance to the push rods connecting to the ailerons?

Good question Girish. I do it simply for the ease in adjusting the linkage rods. If the servo was on the ventral (wing bottom) side and concealed within the fuselage, it would be a little more difficult to get at.

Thanks VC, makes sense. unstrapping the wing to make adjustments is pretty bothersome..esp on the field with limited flying time

I will try to mount mine on the ventral (thanks for the new term, is the upper surface called dorsal in that case?) for the J3 build to keep the looks close to the orig. Besides this, do you feel there could be any other reasons...

Dorsal = Upper, Ventral = Lower - unless I got them mixed up...............

Thanks VC, I'd always mix up the fore and aft. I've added the terms to the rc jargon list. Mod, please advise if that is the right place and if the explanations are correct.

Waiting for the flight videos VC sir. 

Quote from: girishsarwal on July 26, 2012, 11:38:26 AM
I will try to mount mine on the ventral (thanks for the new term, is the upper surface called dorsal in that case?) for the J3 build to keep the looks close to the orig. Besides this, do you feel there could be any other reasons...

One advantage of having the servo on the underside of the wing is that it becomes easier to fix the wing on the plane using rubber bands, otherwise you have to fish the band from under the push rods for every loop. Also i prefer to have two servos for ailerons; easier to build and you can program them to have differential throw to counter adverse yaw.

Quote from: SunLikeStar on August 03, 2012, 09:11:02 AM
One advantage of having the servo on the underside of the wing is that it becomes easier to fix the wing on the plane using rubber bands, otherwise you have to fish the band from under the push rods for every loop.

Absolutely agreed.

Quote from: SunLikeStar on August 03, 2012, 09:11:02 AM
Also i prefer to have two servos for ailerons; easier to build and you can program them to have differential throw to counter adverse yaw.

Just finished programming my 9x with the latest er9x. So now I can surely mix some stuff. . I also intend to mix some flaperons for this one.

@VC, flight videos sire...

Quote
Just finished programming my 9x with the latest er9x. So now I can surely mix some stuff. . I also intend to mix some flaperons for this one.

Hi girish ,

Isn't stock firmware V2 of TG9x is capable for misixing ?  Also can please let me know the advantage of er9x over stock ? I searched could find out only LCD backlight support and easy menu , low voltage alarm is in v2 also. 

-Vinayak

@VC sir : Sorry for putting this question in your log , but it's full of information  like landing gear, servo mounting , flashing tx ..and more..

Vinayak sir,

I've started a new thread so we don't put this one off topic.
http://www.rcindia.org/radios-and-receivers/modded-turnigy-9x-for-er9x-firmware/msg110797/#new

Yes the stock fw is capabale of doing quite some mixing, but the er9x has much powerful mixing features and there is a whole list of other things that come with er9x. It wouldn't be justified to put all of it here. Both towards VC and er9x

But here's a cool one - Program a switch to be the trim selector, on a maiden flight, take off, hold the model level using the sticks, and flip the switch. The stick values will be automatically copied to the subtrims. I think the stock fw menu is easier to navigate than er9x. I will compile a list of what I think (my opinion only) is better and post it in the other thread.

Hi guys,

I have a question in mind. What is the need of spar when wings can be made without them? Even i have tried a dihedral wing without spar and it worked fine.

Pic Ss0317 and Ss0316 shows wings without spar ...and  1.jpg shows wing with dihedral without spar.

Thnks
SS

Snehal, I have had wings with spar collapse midair as the stress on them up there is tremendous. Your model looks nice, but once all up, if you try lifting it by the wing tips it might collapse right there. I would not dare to fly it with out proper support to the wing. But if you have devised a way to strengthen it with out spar, please share it with us

The wings have suffered extreme hard crashes...bt they are gud to go.No method invented jst used glue gun.I would be glad if i could be of any use.
I wil post the procedure today morning.
Its 3:45 am and i woke up only coz i drank lot of water tonight

Thanks Snehal, what thickness of coro you used for the wing? and do you have ribs inside the wing?

Hi,
I dont know xact thickness coz i dont buy them...i collect them.
Measured it and came wid 2.5 mm( bet. 2 and 3 mm).

I made wing with no ones help...but one will be able to do it faster and efficiently with a helping hand.(one will hold wing and one will apply glue).

Anyways, take equal dimension 2 pc coro sanded with circle motion on the places where you will be sticking two pieaces(kalyan Daa's method)

http://www.rcindia.org/tools-materials-and-building-techniques/sticking-coro-how-to/

..and then bend one NOT along flutes (mark '1 inch less than half of coro and bend from there') for desired aerofoil shape(by desired means refer to pic 2)..then tell other hand to hold it while you apply hot glue(follow the pic 1 process) and hold for 10 minutes(needs lots of patience to hold ,get some music).Remember to insert aileron between those two sheets you will be sticking . (refer pic 3).

Other wing the same way but keep their aerofoils equal .
If you want detachable wing get 3 ribs(ply) for each wing and insert them inside wings( corners and middle or anyway u find efficient). Stick ribs with hot glue. Then with help of carbon rods or any rod attach them like an easystar.
You may also make dihedral with two wings. Just make the dihedral and hot glue between gaps(drops) and wrap with rectangular coro.

Done.
thnks

P.s. My Ms paint skills are hilarious. 

Hi Snehal, appreciate your effort and hope that VC bhai don't mind  .

See, I am not new to SPAD building but your method of not using a spar was surprisingly news to me. Coro wings especially with 2mm/3mm coro flutes cord-wise, does not have the strength to hold without a strong spar. Well, atleast with models those weigh more than a kilo. I haven't built any SPAD which is less than a kilo. So basically my question/doubt was how you strengthened your wing without a spar and how much your plane weighs all up? And do you have a build thread of this plane with more pics and videos?

Quote from: samlikespad on August 05, 2012, 02:09:18 PM
Hi Snehal, appreciate your effort and hope that VC bhai don't mind  .

Oh no samlikespad ...you have jst pissed him off..you are a dead man ..and so am i 

jokes apart ..i get strength to wings with method i posted above..all hot glue magic.

I have made two models(self design) so far but haven't started any build thread. I didnt had time to start that thread at that time.

The AUW for first model(pic above) was 920gms which was flop model ..it flew but was not efficient

(my mom gave it to my cousin's children in my absence and they made it a passenger plane with them as passengers on it  . Thank god she took out Esc motor and Battery before )  ..even though those little devils destroyed my plane ,i love them(its a mama thing). let me post their pic(pic1) so dat u can see how  they are.it can be seen from their face. I think i am too social.

Second model was made from wooden stick AUW 850gms (wid HK donkey motor) ..flew like knife on butter..gud model...disassembled it coz it was ugly .wanted to build something new.

pic 1 shows my second model and pic 2 and 3 shows its fantastic pilot(in blue).pic 2 is a touchdown.

Thanks
SS

Adorable devils you have there Your planes, the pilot and the co-pilot looks cool too. If you could find time, please start a thread on them so that we can leave VC in peace with out hijacking his thread

Quote from: samlikespad on August 05, 2012, 05:19:03 PM
Your planes, the pilot and the co-pilot looks cool too.

haha...made my day

Quote from: samlikespad on August 05, 2012, 05:19:03 PM
so that we can leave VC in peace with out hijacking his thread

@samlikespad. now you are surely a dead man ....

i wil try to start a thread wid my next models.

Thnks for asking.
Ss

Wait till I get you hijackers!

Those kids are awesome! (the little ones!)

Btw, I have somewhat failed to meet one of targets that I had set for myself for the Avispad ( as posted by me in Page 2 under Post # 27 of this thread). However, I'll leave it for you guys to judge it and comment tomorrow.