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Author Topic: 1/3 scale Ka8b build  (Read 70405 times)

Nhalyn

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Re: 1/3 scale Ka8b build
« Reply #75 on: July 21, 2016, 09:06:10 AM »
Thanks Fred !  ;)

And it's even better now than the rudder cable have been re-do and we optimize a little the CoG and throwing. Really a precise glider, smooth, good inertia at 11kg, and really good in thermal. The view in flight is fantastic and as I like to fly it really smooth you can't say it's a real or mot... Airbrakes have not secondary effect and are really effective. They also do a very nice sound when you do a slope pass with full airbrakes !   :-*

With the new wing joiner I even tried some aerobatics ! Loops are beautiful, vertical reversement are too easy, and rolls take feeeeewwwwww seconds to do but keep axis. I even do some really good looking sideslips ! After that Dédé that was a little nervous stop me... :'(

Really, I'm in love with it ! Thank you Fred ! Great job on this one !
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rogallo

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Re: 1/3 scale Ka8b build
« Reply #76 on: August 23, 2016, 15:27:03 PM »
Hi Fred et al,

   anyone give me an idea of how much lead to put in the front to begin with. I want to cover the fuse so any suggestion would be good.

Cheers

Ralph
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Fred

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Re: 1/3 scale Ka8b build
« Reply #77 on: August 23, 2016, 15:53:54 PM »
On top of my head, I put 800gr.
I had to add 3 5 cells batteries to that.

But mine is still too light  :'(
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rogallo

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Re: 1/3 scale Ka8b build
« Reply #78 on: August 23, 2016, 15:57:21 PM »
Cheers
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Nhalyn

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Re: 1/3 scale Ka8b build
« Reply #79 on: August 23, 2016, 16:25:44 PM »
Hello,
Mine is 11kg and have something around or more than 1kg in the nose... Nothing abnormal for a 5 meter old glider.
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mick a

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Re: 1/3 scale Ka8b build
« Reply #80 on: August 23, 2016, 16:35:41 PM »
i put 1kg in nose and left room for more if needed

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mario

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Re: 1/3 scale Ka8b build
« Reply #81 on: August 23, 2016, 17:23:54 PM »
1.5 kilo for mee
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rogallo

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Re: 1/3 scale Ka8b build
« Reply #82 on: August 24, 2016, 09:24:53 AM »
Better post some here or else!!!
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Fred

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Re: 1/3 scale Ka8b build
« Reply #83 on: August 24, 2016, 09:25:56 AM »
Good to see you found how to post photos on the forum  ;)

Looking good Mr McCarthy!  :-*
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Nhalyn

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Re: 1/3 scale Ka8b build
« Reply #84 on: August 29, 2016, 09:15:32 AM »
Quote from: Nhalyn on August 23, 2016, 16:25:44 PM
Hello,
Mine is 11kg and have something around or more than 1kg in the nose... Nothing abnormal for a 5 meter old glider.
Hello !
After looking on it this sunday, my Ka8 have 1.7kg of lead Inside the nose.
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Fred

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Re: 1/3 scale Ka8b build
« Reply #85 on: August 29, 2016, 10:37:01 AM »
Thanks Nhalyn :)
So looks like we can average about 1.2Kgs in the nose then :)

Charging mine as we speak, getting ready for Falaise! :)
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Nhalyn

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Re: 1/3 scale Ka8b build
« Reply #86 on: August 29, 2016, 11:14:33 AM »
That's a good average for this size and style of glider.
Keep it light with paint on the tail side !

To Fred : Yes, 3 weeks before Falaise !  8) (and thus Jet Power !  :-*)
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mick a

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Re: 1/3 scale Ka8b build
« Reply #87 on: October 15, 2016, 08:53:56 AM »
hi
just finising mine off now , can anyone tell me the what the incedence is
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Nhalyn

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Re: 1/3 scale Ka8b build
« Reply #88 on: October 17, 2016, 10:44:37 AM »
Hi !

I don't know...  ::) My father build it as on the drawing and as the cutted parts for wings and fuse, horizontal stabilizer as on the drawings by construction, no measurements, CoG at the designated place, go to the field and tow it : it was perfect.

That's all...
Well, maybe few clicks of trim, but no more...

Just fly it, trim it, and if you have lots of trim then correct stabilizer incidence... It's a Ka8b, not a formula one...  ;)
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rogallo

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Re: 1/3 scale Ka8b build
« Reply #89 on: October 17, 2016, 10:56:17 AM »
Have never checked this on any of Fred's models, they just fly :)
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