A nice sized Bristol Beaufighter

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29 Apr 2026 17:09 #46 by Eric
Replied by Eric on topic A nice sized Bristol Beaufighter
A lot of people who are building moderate-sized twins or multi's make the wing inboard section and the fuselage centre in one piece, for structural and electronic reasons. (it does away with lots of wires and plugs that have to be undone every time). Just the outboards of the wings, and the nose and tail plug into the centre block.

if you are calm and collected when all about you are going berserk - you've missed something important!
Thanks: THE BLACKBIRD, jon.in.swansea

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29 Apr 2026 17:59 #47 by Klipkopwildlife
Replied by Klipkopwildlife on topic A nice sized Bristol Beaufighter
Tony, you must remember not to use the carbon tube for something else later on !

Do it now, you may never get another chance
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29 Apr 2026 23:51 #48 by Quorneng
Replied by Quorneng on topic A nice sized Bristol Beaufighter
Apart from reducing the number of wires connectors building just a modest part of the inboard wing with the fuselage greatly reduces the bending load on the wing joints. For a plank wing the bending load is proportional to the square of its distance from the wing centre line. A joint half way out along the span only suffers 1/4 the bending load. If the wing is tapered the bending load reduces considerably faster along the span.
This means the supporting structure for outboard joining tubes is much less involved and the tubes themselves are also smaller and lighter!  
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30 Apr 2026 21:12 - 30 Apr 2026 21:15 #49 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
The 30mm outer tube and the 26mm tube that fits in it  will reach as for as the engine landing gear mounting and a second 18mm tube to the rear of the wing will do the same
The outer wing panels have a 90mm dihedral from just beyond the engine mounts it seems a lot put it says its to scale, it has some very small china ply braces but iv cut some full depth 3mm decent ply braces that are glued the the spruce spars
Been playing with the retracts and they dont fit as is, so im having to make it up as i go along
I have an order from Balsa Cabin out there somewhere they really do take a long time to send stuff
Got the s s tube come today and it weighs heavy, but i wanted steel so i could silver solder the landing gear together, might have to rethink that one
Last edit: 30 Apr 2026 21:15 by THE BLACKBIRD.
Thanks: Eric, Klipkopwildlife, Flytilbroke

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01 May 2026 10:07 #50 by Klipkopwildlife
Replied by Klipkopwildlife on topic A nice sized Bristol Beaufighter
Can you silver solder Stainless?

Do it now, you may never get another chance
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01 May 2026 10:46 #51 by Quorneng
Replied by Quorneng on topic A nice sized Bristol Beaufighter
The answer is yes but a high silver content solder as well as a highly active (phosphoric acid ) flux is required.  None of it is cheap!
  
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01 May 2026 15:03 #52 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
Oh well ill have to think of something else
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02 May 2026 10:02 #53 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
Not doing to well with this build im still having problems with the wings, everything is built to the plan but nothing seems to fit together, what with the ss tubes not being able to silver solder and now the multi pin plugs i ordered that were advertised as a pair iv only got the male half in the post
 
Thanks: Eric, Klipkopwildlife, Flytilbroke

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05 May 2026 16:31 #54 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
Got the motors and ESCs today but there is a problem with one of them, the prop driver will not fit on the motor iv tried to fettle it but the 5 bolts that hold it to the motor dont line up
 
Iv emailed them so it will be interesting to see how they respond, it had an invoice label on the package stating the value at £16 - 40 when it actually cost £320 so there was nothing to pay at customs
Im still struggling with the build been setting up the wings 
 
 
And i keep breaking bits off with my clumsy hands   
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Thanks: Eric, Klipkopwildlife, Quorneng, Ralpharr2001

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05 May 2026 18:16 #55 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
Someone has put the wrong prop driver in with the motor its a lot smaller the the one that fits
 
Shit luck Tony strikes again
Im making a hatch right behind the cockpit to fit servos in as far forward as i can get them
 
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Thanks: Eric, Klipkopwildlife, Flytilbroke, Quorneng, Ralpharr2001, jon.in.swansea

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06 May 2026 09:57 #56 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
RC-Top Mall have got back to me straight away so thats a good sign, want to see a picture
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06 May 2026 14:10 #57 by Ralpharr2001
Replied by Ralpharr2001 on topic A nice sized Bristol Beaufighter
I was wondering how you were going to get the CoG correct with such a short nose moment. Are you going to put the batteries in the nacelles?

I'm currently unsupervised. I know it freaks me out as well, but the possibilities are endless!!
Thanks: Klipkopwildlife

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06 May 2026 19:58 #58 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
Hi Ralph yes ill put them in the nose in fack iv made the box for them to slide into, im going to make the nose cone out of fibre glass and make it so it comes off with just a twist
 
 
 
These are the 2 prop drivers that were in the motor boxes you can clearly see one is smaller than the correct one
 
This is the servo tray
 
I keep breaking something every time i touch the dam thing 
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07 May 2026 13:47 #59 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
RC-Top mall the model outfit in China that i got the motors and retracts from have emailed about the wrong prop driver and are sending the correct one
That is good service and ill use them again
Thanks: Eric, Klipkopwildlife, Quorneng, Ralpharr2001, jon.in.swansea

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07 May 2026 16:01 - 07 May 2026 16:02 #60 by THE BLACKBIRD
Replied by THE BLACKBIRD on topic A nice sized Bristol Beaufighter
I have just got back from the chronic pain clinic and its all bad, My shoulder they now tell me they cannot cut the nerve to relieve the pain just injections and my neck is worse as there is nothing they can do about the agony   so for the next 15 years im stuck with a neck brace and pain
Last edit: 07 May 2026 16:02 by THE BLACKBIRD.
Thanks: Eric, Klipkopwildlife, Flytilbroke, Quorneng

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