Big 3D Katana Profile Plane Scratch Build Contest Entry# 2 - WattFlyer RC Electric Flight Forums - Discuss radio control eflight

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Big 3D Katana Profile Plane Scratch Build Contest Entry# 2

Old 10-04-2008, 11:12 AM
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Default Big 3D Kantina Profile Plane Scratch Build Contest Entry# 2

Hi Everyone Well, I am at it again, I dont know Why I think there is something wrong with me This will be my second entry, its a Big 3D profile, it will have a 49" Wing Span, and a Length of about 46", I will see how it goes I dont Know at this time what I will power it with, because I am Not sure of the weight at this time, the wing and Fuse, weigh 8oz, and thats with the carbon rod and glue, the Plane is being made from 9MM depron, the ailerons are 3" wide, It Will have some PINK trim to it Larry ,
Take care, Chellie


Well, You Knew it had to be PINK Hopefully it will Look Something like this, but in a Profile design

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Last edited by CHELLIE; 09-15-2009 at 11:21 PM. Reason: renamed rc airplane
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Old 10-04-2008, 10:23 PM
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Originally Posted by Larry3215 View Post
That ones gonna be fun Chellie!
Hi Larry The guys at our flying are flying these large 3D planes, they hover them right infront of them, Sooooo I though I would get in on the Fun, and make my own, Take care, Chellie

Originally Posted by Rabbitcreekok View Post
It will be interesting to see a profile plane that big, Chellie
Hi Jim, They are a lot of fun, It should help to improve my skills, now i have to be sure to build it nice and straight , Take care, Chellie
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Old 10-05-2008, 08:45 AM
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Hi Everyone Well, it rained today, so, I did not go out flying, Rather I did some more building on my plane, and here are the results, I pined the plane together for some pics, and weighted it, and Its at 10.5oz right now thats a lot lighter than I thought it was going to be, I could not belive it, I thought my electric scale was wrong, so i used a letter scale, yes, its at 10.5 oz should be a great hovering plane , Enjoy the pics, Chellie
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Old 10-05-2008, 03:36 PM
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Originally Posted by Angler-Hi View Post
That looks SO COOL Chellie. Great job friend.
Thank You Mike for the Complement Its getting there Take care, Chellie
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Old 10-05-2008, 10:16 PM
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Originally Posted by 3Disaster View Post
Great! I love the area by the "cowling". The curves give it lots of style . I wanna see it fly!
BTW do you have plans yet for your edf?
Mike
Hi Mike, Thank you for the compliment, I will post some plans soon, just trying to get all the little bugs out of it, I think CG placement is what we are trying to find, EDF fly different too, because you dont have the prop wash over the control surfaces from the EDF, so you have to keep it moving at a good rate of speed, Take care, Chellie
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Old 10-05-2008, 11:34 PM
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Originally Posted by 3Disaster View Post
Great! I love the area by the "cowling". The curves give it lots of style . I wanna see it fly!
BTW do you have plans yet for your edf?
Mike
At the curve area on the plane, I am going to add some cylinder pictures/ decals, so it looks to have a piston engine in it

Last edited by CHELLIE; 10-06-2008 at 01:28 AM.
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Old 10-07-2008, 08:59 AM
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Talking Watt engine

Hi Everyone I added some color to it and its Starting to look nice, The 4 cyl. Engine sounds real QUIET Too Enjoy, Chellie

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Old 10-07-2008, 09:54 PM
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Originally Posted by Larry3215 View Post
LOL

I love it Chellie!

I can just hear the rumbling of that big 4 cyclinder monster now!
Hi Larry I thought you might like that 360 lycoming Engine in there Take care, Chellie

Originally Posted by Alpea42 View Post
Hi Chellie at 11 oz that's way too light . LOL A 4 cell 2200 ma li-po and a Turnigy 3536 910 Kv like I have on the Velox would rock your socks off. I think Steve said its about 600 watts. Can't wait to see it fly.
Hi Al I just ordered a Turnigy motor for it Lets see, its the 3536c 1100kv That should be fun Take care, Chellie
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Old 10-07-2008, 09:59 PM
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Originally Posted by Rabbitcreekok View Post
That really looks nice, Chellie. What did you use for the color? Is it tape or covering film?
Hi Jim Thank you for the complement, I used the Monokote trim tape, sold at Hobby People, I really like this Tape on foam, its lite and looks great, Take care, Chellie


Top Flite Monokote Trim Missile Red 5 x 36


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Old 10-08-2008, 05:33 AM
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Originally Posted by Rabbitcreekok View Post
Do you have to do anything extra to make the edges stick?
Hi, The tape is pertty sticky, I just clean the foam, and sometimes sand it a little to make it rough, get the shine off, but it sticks very good, some times, a edge will come loose, but a little CA and its stuck back on I have had very little trouble with this tape, and it survives the worst crashes too Take care, Chellie
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Old 10-08-2008, 06:27 AM
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Originally Posted by Alpea42 View Post
Hi Chellie at 11 oz that's way too light . LOL A 4 cell 2200 ma li-po and a Turnigy 3536 910 Kv like I have on the Velox would rock your socks off. I think Steve said its about 600 watts. Can't wait to see it fly.
Hi Al the lowest KV for a 3536 Turnigy Motor I could find at Hobby city was a 1100kv, then they go up from there, 1100, 1300 and 1450kv, I wanted to turn a 12x6 prop, but a 11x5.5 apc will be fine too so i think the 1100kv will do it ok, Take Care, Chellie
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Old 10-08-2008, 07:46 PM
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Originally Posted by RocketMan View Post
Hi Chellie your Katana is looking very nice!

I think the rest of us should just concede the contest to you...

Rick
LOL Hi Rick Thank you for the complement, There is a lot of Talent here, But I am going to give you Guys a Run For your money Take Care and Stay Sweet, Chellie
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Old 10-08-2008, 08:50 PM
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Originally Posted by Angler-Hi View Post
Awesome plane Chellie! Can't wait for the maiden either...will there be a video?
Hi Mike Thank you for the complement Yes there will be a video of the plane, hopefully I will be hovering the plane in front of myself if all goes well Take care, Chellie
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Old 10-08-2008, 09:39 PM
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Originally Posted by Angler-Hi View Post
Hey, to get a plane like that (3D) to hover, does the CG have to be way back (tail heavy) or is it the powerplant and plane design make it capable of hover and other 3D tricks? I was looking at this one here and wanted to get it, but don't know much about 3D:
http://www.extremeflightrc.com/html/58extra.html

Sorry, I don't mean to go off topic
Hi Mike you can go off topic on my threads anytime you want to infact, I insist you do the CG has to be a little farther back than normal, so yes you are right about that, Take care, Chellie
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Old 11-01-2008, 12:25 AM
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Thumbs up It flys yea

Hi Everyone Yeaaaa It Flys, and Flys well too I used 2 pieces of CF tubing in the wing, one inside the other, but It needs another piece of CF to stiffen the wing a little more, as it has a little flaping in the wing, not much, but i want it all taken out I will have some video of it tomorrow, I took it out for the Maiden a few days ago, and it leaps off the ground, with a APC 12x6 prop, and it just wants to keep climbing vertical, I was trying to hover it, but it just has to much thrust, it just wants to keep climbing, I am going to put on a APC 10x3.8 prop on it and try that, roll are insane, because of the big Ailerons, and it will just flip over, because of the big elevator, this thing is fun to fly I was flying in a small parking lot, and there was a 20 ft trailer parked there, I had to come in low over the trailer to land, WELL the front half made it and the tail skid hit the top of the trailer, THUMP , I landed ok, but it cracked a little foam, its all better now Here are a few pics of the finished plane, Enjoy, Chellie
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Old 11-01-2008, 12:37 AM
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Here is the power system used on this Plane.

1. Turnigy 3536 1100kv
2. Rhino 3 cell 2350mah 25C lipo
3. 40 amp ESC
4. 12x6 and a 10x3.8 APC prop
5. berg receiver
6. 4- 9 gram hextronic servos
7. 35.2oz AUW


Last edited by CHELLIE; 11-02-2008 at 01:41 AM.
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Old 11-01-2008, 01:01 AM
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Originally Posted by Rolling Thunder View Post
Chellie i love your plane!any chance you will be posting the plans-RT
Thank you for the complement Sure I will Post the Plans Just for you Take care and Stay Sweet, Chellie
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Old 11-01-2008, 07:52 AM
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Talking Plans plans plans

Hi Everyone I drew up some plans for the Katana Profile Plane, I hope you can Follow Them, as this is the Limit of My High School Mechanical Drafting, Lets see, I Graduated High School about 3 years ago, Yea That Sounds About right Take care, Chellie


see post #5 for the elevator wood brace

you can get 9mm foam at RC Foam, call them to get single sheets, you will need 2 sheets of 9mm Depron for this build
http://rcfoam.com/
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Last edited by CHELLIE; 11-01-2008 at 09:10 AM.
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Old 11-02-2008, 12:36 AM
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Thumbs up Katana Flight Video

Hi Everyone Here is a video of my Scratch Built Katana, My friend Steve is flying it and I am Doing the video, It Flies great, I am Very happy with it Enjoy the video, Chellie

[media]http://www.youtube.com/watch?v=lTbir0Uc6Q8[/media]
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Old 11-02-2008, 01:12 AM
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Originally Posted by Rolling Thunder View Post
dang i wish i had a better computer,i cant really tell how good it flys im sure its sweet though .im looking forward to trying to build one
it was easy to make, I made a how to cut depron foam thread, it will help a lot in making this plane. the plane flies great, I am very happy with it, as you can see, i left you some plans like I promised Take care, Chellie

http://www.wattflyer.com/forums/showthread.php?t=39733
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Old 11-02-2008, 01:32 AM
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Originally Posted by Larry3215 View Post
It looks and flys very very nicely!!! Looks It tracks very well and it's still extremely maneuverable. Knife edge looks sweet

Great job Chellie!
Thank you Larry I am Very happy with this new plane, It came out better than I thought it would Its very fun to fly, it has more that a 1 to 1 power ratio, almost a 2 to 1 power ratio the plane weight is 35.2 oz AUW, and the motor with a 12x6 prop is about 57oz of thrust, Take care, Chellie

Tested this motor with 12x6 APC prop, 40A ESC and 2200 3S ABF battery. Static thrust 1620g, current 36-37A.
A lot of power for a .25 class Yak-54.

GWS 11x7: 1440g and 31A,
APC 11x5.5: 1380g, less than 30A.

The motor was slightly warm after the tests and flights.
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Old 11-03-2008, 01:22 AM
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Originally Posted by Angler-Hi View Post
That was AWESOME Chellie! Great job! I wish I had your skills
Hi Mike Thank you for the complements, You Can Build this plane, its not that hard, Just take your time and get the right tools, I left some plans, it just takes a little patience Its only Foam Take care, Chellie
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Old 11-05-2008, 03:27 AM
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Originally Posted by Crashalott View Post
Lookin good there Chellie, when is the maiden?
Hi Crashalott Thank you for the Complements, Here you go, this is the second flight, the first flight I did not have my Camera with me, it was getting late, and I wanted to see this plane fly, had about 1/2 hr of daylight left, so me and the plane rushed out to go fly Take care, Chellie

[media]http://www.youtube.com/watch?v=lTbir0Uc6Q8[/media]
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Old 11-29-2008, 11:05 AM
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I made another Katana for one of our club members Steve, He Liked mine so much, he would not give it back to me so i had to make him one too Steve Does not know how close he came to getting a PINK Katana , Take care, Chellie

On this plane, the top of the fuselage was painted with krylon short cut paint, use in thin coats, and the top of the rudder was painted too, the black canopy is monokote trim tape, the blue on the wing and elevator is blue monokote trim tape, and the checker is monokote trim tape. the wing brace is Square 3/8" FG tube, that I stole from another Model Plane I had


Last edited by CHELLIE; 02-24-2010 at 05:11 AM.
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Old 12-04-2008, 06:21 AM
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Originally Posted by dmarko View Post
Chellie.
I love the Katana. Great Work!
Can you use the foam from FOAM BOARD to substitute for Depron?
Thanks
Dave in Naples
Hi Dave Thank you for the complement Yes I would think you could use the foam board, in place of depron, but if your going through all that work, it would be better to use depron, you will have to splice the foam board together to get the lengths, and the depron comes in a larger size, so you dont have to splice it so much, also the depron is stronger, rcfoam.com sells depron by the sheet, you will need 2 sheets of 9mm depron, you have to call or e mail them for the smaller quanity of foam, you will also need to use 8mm CF tubes, 2 would be best to use in the wing, or a FG square tube, i used a 3/8" CF square tube for a Katana that I made for Steve, I stole it from another kit that i had i used 5 and 30 min epoxy to assemble it with and thick foam safe CA, Take care, Chellie

http://www.rcfoam.com/cart.php?page=plans

Last edited by CHELLIE; 02-24-2010 at 05:11 AM.
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