Kalteisen Extra 260 free plans build thread

PostPosted: Mon Jan 12, 2009 7:19 pm

BTW the valuehobby.com motors are back in stock
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PostPosted: Tue Jan 13, 2009 8:06 pm

BTW the Park 370 and the G370 is the same weight.. both 45g (motor only) weight from park 370 from the Horizon website.. and the G400 and park 400, are within 5 grams
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PostPosted: Tue Jan 13, 2009 11:02 pm

Spaz wrote:BTW the Park 370 and the G370 is the same weight.. both 45g (motor only) weight from park 370 from the Horizon website.. and the G400 and park 400, are within 5 grams


You say motor only? No wires? Wires weigh a LOT! :shock:

Sorry Spaz, I'm not trying to bash on the VH motors, they kick ass performance wise. Great motors for the :cash: :tu:
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PostPosted: Fri Jan 16, 2009 10:49 pm

Finally got my little 260 covered and glued together. Put it on the scale and got about 5.4 oz, I was shocked that mine seemed to be as light as it is. All of the wood came directly out of the scrap box with little attention paid to density. I'm fairly pleased with it so far, I've still got a lot to learn about building these little birds.
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PostPosted: Fri Jan 16, 2009 11:15 pm

VinceL wrote:Finally got my little 260 covered and glued together. Put it on the scale and got about 5.4 oz, I was shocked that mine seemed to be as light as it is. All of the wood came directly out of the scrap box with little attention paid to density. I'm fairly pleased with it so far, I've still got a lot to learn about building these little birds.


thats a really sharp little plane bro!!!!!
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PostPosted: Sat Jan 17, 2009 10:28 am

Nice work Vince! :tu:
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PostPosted: Sat Jan 17, 2009 11:04 am

Damn Vince, that's 2 really nice planes you've done recently.

My little 260 has pissed me off so I put it aside. I had it all stuf and ready for maiden. Thought I'd check it over once more, verify it's straight and such. Well it was straight an stayed that way for more than a week. Now when you sight down the wing to the H Stab the stab is off by like a 1/4". The fuse somehow also has warped, to the point it caused 1 of the shocky style sides to bow up to compensate for the warp. I have'nt decided if I will try to resolve this or just hang it on my son's bedoom wall.

What really pisses me off is that this is fairly normal for me, well not usually quite as bad as this plane is. I have had numerous people stop by over the years to verify that everything is lined up properly before and after gluing. Tried various means of holding the parts together to ensure everything is lined 'til the glue sets up. Then a week or 2 later they are all out of wack. My planes are built an stored in the house. This little extra has not yet been outside. Oh well.
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PostPosted: Sat Jan 17, 2009 11:32 am

that sucks, all that warping will really hurt your chances of winning the ama nats pattern contest with it.. hope you get it straitened out :)

is your basement humid? is that a dumb question for somebody in VA?
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PostPosted: Sat Jan 17, 2009 11:59 am

We'll see how mine does for staying straight. I know what you mean about things getting to you and getting discouraged. I'm really weird about having my planes look decent. If it looks bad if flies bad in my mind even though it may be just fine in reality.

The horizontal on mine is off just a smidge. You've really got to look to see it. The tail will twist a bit so I don't think the little bit it's off is going to matter. Stiff as a board and doesn't bend but it twists a bit, I think it's just the nature of these really thin fuselages. Kinda the reason I really liked Q's fat boy, wish he would do a few more with a hybrid style fuse.
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PostPosted: Sat Jan 17, 2009 12:02 pm

Spaz wrote:that sucks, all that warping will really hurt your chances of winning the ama nats pattern contest with it.. hope you get it straitened out :)

is your basement humid? is that a dumb question for somebody in VA?


Yeah like I have any chance at winning any contest, :rofl: .

Actually not really. I have no basement. I have an upstairs bedroom devoted to our models(mine and my 3 kids). We keep it pretty cool and dry in the house. I think I will get a psychrometer so I can check for sure, but it is certainly kept less humid than most homes I have been in as we keep it at 64 degrees all year. The A/C in the summer ensures it's relatively dry and the gas heat in the winter does likewise.


Anyway, after looking at it more I think the H Stab is off due to the fuse twisting a bit, easy to fix. The warp in the fuse I may get most of it out and just try to shim the motor a little to compensate for the rest.
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PostPosted: Sat Jan 17, 2009 12:53 pm

VinceL wrote:Kinda the reason I really liked Q's fat boy, wish he would do a few more with a hybrid style fuse.


Your wish is my command. Rookie will be testing a 45 inch Hybrid from me within the next 30 days.

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PostPosted: Sat Jan 17, 2009 12:54 pm

Quicker wrote:
VinceL wrote:Kinda the reason I really liked Q's fat boy, wish he would do a few more with a hybrid style fuse.


Your wish is my command. Rookie will be testing a 45 inch Hybrid from me within the next 30 days.

Q


That sounds cool. I like the new avatar Q.
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PostPosted: Sat Jan 17, 2009 3:38 pm

I got the twist out of the fuse so the H stab is lined up properly again. I also got some of the warp out of it. Then I slapped it on the balancer and found that it's pretty tail heavy, thankfully I used 6g servos. It's 3/4" behind the front of the rear servo rail as Quinn suggested as a starting point. It'll take 1.5oz to get it there. That's a lot of lead to add.

I could get the 1.5oz by installing my Hacker 20-20L and using a 1320 pack.
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PostPosted: Sat Jan 17, 2009 10:05 pm

Q how far back do you think I can push the CG? I hate to add 1.5oz of weight to the nose, but with a 3S 910 li-po mounted vertical on the nose it's 3/4" behind your suggested location of the back of the 'ron servo.

Thanks.
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PostPosted: Sat Jan 17, 2009 10:44 pm

I think you'll be fine. Give it a shot. I flew mine with a 1000 and 1320.

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PostPosted: Sun Jan 18, 2009 12:07 am

Quicker wrote:I think you'll be fine. Give it a shot. I flew mine with a 1000 and 1320.

Q


Will do. Thanks.
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PostPosted: Sun Jan 18, 2009 11:31 am

Are full plans available? I've got a plotter at work... The tiled plans aren't printing correctly for me. I've tried every setting available. Point me to a link or hand me a knife.
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PostPosted: Sun Jan 18, 2009 2:21 pm

Here's a DXF.

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PostPosted: Thu Jan 22, 2009 10:39 pm

Vince did you get your Extra 260 in the air yet?

Between the weather, long hours at work and family things I have not been able to yet.
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PostPosted: Fri Jan 23, 2009 7:27 am

Been out of the country with work. Still sitting in exactly the same spot and in the same condition as the pictures...
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