Seaplanes Aircraft that typically take off and land on water...radio control seaplane discussions are in here.

North Star Question

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Old 10-12-2011, 07:23 PM
  #1
bikerbc
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Default North Star Question

I am building A North Star and It looks like you are just supposto glue the fin to the top of the horizontal stab with no other support..That can't be very strong..I understand that it is important to keep the weight down espially in the tail but this just dosent seem like it could be strong enough..Am I missing somthing??I could add some tri angle stock... Thanks for any advice..Also will my OS 46 be strong enough or should I use my OS 55..The 46 is just over 1 oz lighter...Thanks Ultra sportbrotherhood# 100 BikerBC
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Old 10-13-2011, 03:01 AM
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Default RE: North Star Question

The top fin is just that - a top stub. There's really not much to it and it doesn't get a lot of pressure. But if you want to add some tri stock, it won't hurt anything. You even pin it to the stab with toothpicks instead if you wanted to keep the outside clean.

And I have an old 46FX in mine and it's plenty of power.
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Old 10-13-2011, 07:30 AM
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Default RE: North Star Question

The fin has two tabs at the bottom and they fit into the slots one in the stabilizer and other into the top sheeting of the nacelle.
Laddie

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Old 10-13-2011, 07:40 AM
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Default RE: North Star Question

Thanks Mike I thought about pinning it . I am going to use tightbond too..have more faith in it . I know its not waterproff but I think I will run a little strip of glass along the seams as well...I will put my OS 46 on ..If you ever get a chance to come up to this area in early September we host westeren Canada biggest float fly..Its 6 days of fun...Be great to have you..Thanks again Ultrasport brotherhood#100 Biker BC
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Old 10-13-2011, 07:46 AM
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Default RE: North Star Question

You're a little more than a road trip from me

BTW, check the reply by LADISLAV - That is Laddie Mikulasko, who is the original designer of the Northstar as well as many other popular seaplanes.
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Old 10-13-2011, 07:50 AM
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Default RE: North Star Question

Hi Laddie
I must have got an old kit or an odd ball or somthing because there is no tabs at all..I thought there should be somthing like that. Maybe I will cut some in..Thankyou for your reply..I will need to cut a new fin unless shortning it that little bit won't hurt..Is it 1/4 inch? Same goes for you , Common up to our float fly..You would really fit in here with all your water plane experience..Ultrasportbrotherhood #100 BikerBC
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Old 10-13-2011, 08:12 AM
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Default RE: North Star Question

Yes Mike it would be a long trip for sure and unless you had family or some other reason it would be hard to justify but we do have a couple of guys that come from Australia every year..That just amazesme...I can hardly afford to go to town never mind another country..Of course if I would quit buying 1/3 scale Cubs and the like maby I could travel more...These planes are like and addiction..I always want another one..I need a bigger shop..
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Old 10-13-2011, 12:31 PM
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Default RE: North Star Question

Bikerbc
Cut ¼” tabs at the bottom of the fin you have and make the slots in stabilizer.
Good luck with your NS.
Laddie Mikulasko
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Old 10-14-2011, 03:07 AM
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Thanks Laddie
Thats what I will do.. I appreciate your help... The North Star is an interesting and fun build. You created a fantastic plane..I have read a lot of positive things about it and so far I have really enjoyed the build...I built a jig espially for assembeling the fuselage because I was worried about keeping it straight..I can use the jig for almost any fuselage now...On my first attempt before I made the jig I had the fuse partly assembled and it was sitting drying. I had accidently locked the cat in the shop and she in her search for a way out knocked my fuse off the window sill onto the floor and broke it into many pieces...I think she did it on purpose...Any way this jig really did the trick, I have I straight fuse..Thanks again for your help...
UltraSportBrothood #100 BikerBC Ken
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