Bluebird & Other Scale Models

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Renegadenemo
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Re: Bluebird & Other Scale Models

Post by Renegadenemo » Thu Mar 22, 2018 12:45 am

They've made semicircular inlets again... Aargh!
I'm only a plumber from Cannock...

"As to reward, my profession is its own reward;" Sherlock Holmes.

I have wrought my simple plan
If I give one hour of joy
To the boy who’s half a man,
Or the man who’s half a boy.

Sir Arthur Conan Doyle.

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midlife
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Re: Bluebird & Other Scale Models

Post by midlife » Thu Mar 22, 2018 2:56 am

Hehe, it's an oldie but a goodie
Cheers Bill[.]
Wayne


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K7boats
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Re: Bluebird & Other Scale Models

Post by K7boats » Thu Mar 22, 2018 12:41 pm

Hello Bill and Wayne, yes intakes it me a longgggge time for me to figure out the shape, the nose as well but thanks to help and your photos I got there I asked Rob about a picture from the underside of intakes but I guess you all are busy getting K7 Finnish
If anyone has time a photo would help a lot.
I have to say it again k7 is looking fantastic!!
Al.

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Richie
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Re: Bluebird & Other Scale Models

Post by Richie » Thu Mar 22, 2018 1:30 pm

Wouldn’t bother with turbine or EDF given its weight... if you go with a high KV brushless motor with a steep pitch prop it should go.
Clarence come out ov zat tank at vonz !

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midlife
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Re: Bluebird & Other Scale Models

Post by midlife » Thu Mar 22, 2018 2:24 pm

That’s certainly the cheaper option at first Richie.
My 1/4 scale version has bags of room inside for 2 or even 3 props, motors, batteries & ESC’s required.
If after all that it was still struggling to hit scale speed there is always the option to install motors & props in the sponsons as they have bags of room inside them too.
So 5 heavy duty ESC’s, 5 motors, batteries etc etc, cost starts climbing quickly to turbine territory if you’re not careful ...
Cheers
Wayne


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Richie
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Re: Bluebird & Other Scale Models

Post by Richie » Thu Mar 22, 2018 3:48 pm

Wouldn’t put five in, more you add the more weight you add, just needs a high KV motor and correct pitch prop. No good spinning the shaft around d if the pitch is wrong you just cavitate and lose the thrust you want.

As for batteries, some nice high discharge saddle packs would be the way to go, turnigy nano tech maybe
Clarence come out ov zat tank at vonz !

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midlife
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Re: Bluebird & Other Scale Models

Post by midlife » Thu Mar 22, 2018 5:02 pm

Hehe, I’m a way off that yet, I was going to go down the fibreglass route for the whole body, but I’ve decided to only do the bottom half in fibreglass & make the rest from plasticard & 3D printed parts.
I’m busy trying to teach myself Fusion 360 CAD & how to manipulate plasticard.
Here’s some of the bits I’ve been working on, both WW2 trucks, a WC51 & a Hanomag.
Image
Cheers
Wayne


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Richie
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Re: Bluebird & Other Scale Models

Post by Richie » Thu Mar 22, 2018 9:52 pm

Cool. Not a fan of the yank kit, cant beat British stuff :)


My youngest wants to get / build a 3d printer so I will be looking about shortly for a decent kit !
Clarence come out ov zat tank at vonz !

K7boats
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Re: Bluebird & Other Scale Models

Post by K7boats » Thu Mar 22, 2018 10:29 pm

Hi Wayne, Richie, I think the propeller version of boat just needs 1 prop with a whacking great motor :D and the wright pitch ,also you may find making wedges on sponsons bigger, to help boat up I can remember someone saying they did that. My boat is looking like it just came out of a lake! :D but I can see my work in changing to the 64 spec. I've put some photos on ,shaping intakes,,,again,,,got new exhaust cone today it's spot on anyway I'm managing a couple of hours each day now so I'll keep you all up to date, model trucks look great and the 3D idea for making parts magic idea I'd like to see it take shape.
Al.
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K7boats
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Re: Bluebird & Other Scale Models

Post by K7boats » Thu Mar 22, 2018 10:37 pm

Forgot to put picture of 64 boat exhaust cone so you can see why I'm pleased with the one I've got my hands on
Al.
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