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Very Hot Topic (More than 25 Replies) 3/4" scale, Lockheed Hudson bomber....50" (Read 2860 times)
Sky9pilot
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #115 - Sep 11th, 2021 at 8:16pm
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As the old saying goes..."Necessity the mother of invention!" I think you've got a winner there!
  

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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #114 - Sep 11th, 2021 at 1:29pm
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Back on the Hudson....I thought of a way to get my engines level and square, I think...these are spruce, with temp spacer and bottom holder rail. They will have bracing from the root, and the leading edge of the wing...I'm trying for lightness with strength, kind a 'warren truss' setup....I just need small amount of strength...no 1/4" plywood type stuff if my plane is 400gm and tissue covered Cool
  
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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #113 - Aug 31st, 2021 at 2:57pm
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Cool
it's a VERY challenging build for me, I'm used to 1940's era old timers and piper cub types. the fuse turned out well, but nest time, if I build a Electra, those stringers need better alignment!
I'm pleased at the weight so far, I have the idea about using guitar string in tiny guide tubes to work my elevators....
I'm ALWAYS trying to think light....so...I know if she flies, then it will have a nice slower flight.....in fact, I have shelved the idea of retracts....I will have the wheels retracted in the final part of the build, just balsa replica's in fact....so hand launch and belly landings.
here's a funny short video...I say funny, because they use pigeons to carry super secret info back to home base!!!!
Just open the top hatch and toss the poor bird out into the slipstream Shocked Shocked Shocked
poor birds!
https://www.youtube.com/watch?v=WsxFdj4WdtY
  
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MKelly
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #112 - Aug 29th, 2021 at 7:48pm
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This is a fun build to watch come together - nice work.  I was researching Alaska Star Airlines for another project and came across pictures of a Lockheed Loadstar in their livery - really looks great, would be fun to build one in their colors.  I have a ~28" span Easy-Built kit for the Hudson that could be adapted to make a Loadstar...

Mike
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #111 - Aug 29th, 2021 at 5:38pm
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She's looking very good.  I really like your foam jig to hold the fuselage.  Leaves hands free to work all around the fuselage!  I have cobbled a few in the past for several models.  You're really catching the essence of the Hudson!
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #110 - Aug 29th, 2021 at 4:21pm
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Thanks Sky9pilot......I've been working on it....wow, so many things to think about....I've started with a sheet out line. Getting the thrust line, along with getting them equa-distant, proper placement on the wing, and everything dang thing else Tongue!!!


I'm using the foam fuse holder, I built it as square as possible, snug fit. It's a nice challenge....but I'm tired, time to fix some supper and watch TV....
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #109 - Aug 28th, 2021 at 9:17pm
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Nacelles are always a challenge.  It looks, from the picture of the nacelle plan, like there are dorsal and ventral keels.  These could be laminated with some 1/64" or 1/32" ply depending on the amount of strength you need. Then a ply firewall as needed.  With a removable cowling.  Lots of work there no matter how you decide to make them. 

I know with the electric motors the fire wall will be moved back from rubber position of the back of the cowling.  So this will require some engineering on your part.  Another option might be a rolled balsa tube that fits to the wing and the cowling over the motor attached to that.  I know this is the engineer as you go advice. I tend to build with the TLAR style of modeling.  You know That Looks About Right...
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #108 - Aug 28th, 2021 at 5:10pm
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Still thinking about how to build these nacelles..... Roll Eyes
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #107 - Aug 27th, 2021 at 11:30am
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I took some time this morning and made a accurate/secure cradle for the fuselage. Now I need to measure a datum line somehow, and place my motor mounts on that wing stub Undecided
The motors will need a 6-1/2" outriggers from that stub...lots of room for error....the wings have a few degrees positive, so all these lines in a x,y,z need to be spot on.....but it's just a hobby, this might take a while!
Oh, I'm thinking on this 50" tapered wing, she could come in around 400-500gm....do you fellows think a pair of br1806 electric motors swinging 6" props??? I have one motor with esc from willies nillies...seems powerful!
Marc
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #106 - Aug 19th, 2021 at 3:45pm
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That's the fun of this hobby.  Things can change day by day, week by week.... Smiley
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #105 - Aug 19th, 2021 at 2:06pm
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Sky9pilot wrote on Aug 18th, 2021 at 12:15pm:
Outstanding...I look forward to seeing the Typhoon.


the typhoon has been re-thought....i'll send her back to FF status........
the new Lemon RX brick will be used on my Hudson after all~~ Roll Eyes
marc
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #104 - Aug 18th, 2021 at 12:15pm
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Outstanding...I look forward to seeing the Typhoon.
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Controled landings are
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #103 - Aug 18th, 2021 at 8:48am
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Ailerons and elevator....im getting hinky about weight these days, I figured rudders would add lots of tail weight and no real need....
I've sidetracked to build a small Buzzard Bombshell, and to add a RC to my Guillows Typhon fighter.....a 7gm 2 servo lemon RX....... Cool
  
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #102 - Aug 16th, 2021 at 9:56am
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Looks great!  Empennage is outstanding.  How are you going to activate the rudders?  Or are you going to use ailerons and elevator for control?
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: 3/4" scale, Lockheed Hudson bomber....50"
Reply #101 - Aug 15th, 2021 at 4:23pm
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150gms Smiley


Needs some detail work still on the rudder joints....but still I'm pleased with my weights. I will add the gun turret soon...still putting windows in it.

Marc
  
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