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PostPosted: Thu Feb 14, 2019 4:42 am 
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Hi, does anyone have those propellers in 3D printed form, or can advise me on a good method to scratch build a propeller? They are three bladed.

I lost a propeller to my 1/350 U-boat and kinda stuck on finishing this otherwise very fun build.


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PostPosted: Thu Feb 14, 2019 8:06 am 
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What material, plastic or brass ? In both cases there are different strategies and techniques.

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PostPosted: Fri Feb 15, 2019 9:34 am 
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wefalck wrote:
What material, plastic or brass ? In both cases there are different strategies and techniques.


Whichever is easier to be honest. What would you recommend and how would I do it?

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PostPosted: Fri Feb 15, 2019 10:30 am 
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go plastic as is easiest at that small size. do you have or can get a plastic rod of about the same diameter or maybe a bit bigger for the hub of the prop? do you have or can get sheet plastic of about the same thickness as the prop blades?


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PostPosted: Fri Feb 15, 2019 11:48 am 
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DavidP wrote:
go plastic as is easiest at that small size. do you have or can get a plastic rod of about the same diameter or maybe a bit bigger for the hub of the prop? do you have or can get sheet plastic of about the same thickness as the prop blades?


I have all the plastic parts, rods in various thickness and plastic sheet.

I also have the original (starboard side) prop which can be used as the template (with reverse placement of the blades, I suppose).

My main issue is getting the tip of the prop smoothed out correctly, but I suppose it is not THAT hard.

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PostPosted: Fri Feb 15, 2019 12:21 pm 
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what is the thickness of the blades themselves?


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PostPosted: Tue Mar 05, 2019 7:02 am 
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DavidP wrote:
what is the thickness of the blades themselves?


? I have no idea, but I think we can assume a 0.3mm plasticard would be ok... why you ask?

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PostPosted: Tue Mar 05, 2019 8:07 pm 
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just making certain you did not use a thicker piece of plastic then you need to.


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