Model Boat Mayhem

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Author Topic: ballast bladder  (Read 8043 times)

pettyofficernick

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Re: ballast bladder
« Reply #25 on: November 03, 2018, 02:26:06 pm »
That is a 1/3 piece of the tube. Other two will house fore plane servo radio and pump and motors rudder servo aft plane servo.
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Subculture

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Re: ballast bladder
« Reply #26 on: November 03, 2018, 03:27:54 pm »
Use a Kavan pump. You have the room for one, and they’re good quality.
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thegrimreaper

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Re: ballast bladder
« Reply #27 on: November 03, 2018, 07:27:20 pm »
Just had a phone call from petty officer nick the tube is going in a 7foot darnel boat I don't think a 30 cm ballast tank will be enough to submerge the beast but I could be wrong
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Re: ballast bladder
« Reply #28 on: November 03, 2018, 07:39:48 pm »
Darnell didn't do a O-class. Sure it isn't a OTW? They're the only company I know of that do a large O-class, unless someone else did a one-off. They do nice light laminates ideal for model subs.
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thegrimreaper

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Re: ballast bladder
« Reply #29 on: November 03, 2018, 07:41:42 pm »
Might have been me hearing wrong Andrew getting on a bit now lol
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pettyofficernick

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Re: ballast bladder
« Reply #30 on: November 03, 2018, 07:41:55 pm »
I think it is OTW designs O class at 74 inches as it is the only model O boat hull I can find on internet.
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Re: ballast bladder
« Reply #31 on: November 03, 2018, 08:16:49 pm »
Yes sounds like OTW. Nice hulls, much better than Darnell IMO.

I see you have posted on the Dive-in facebook page where I have given some advice, which you can follow or ignore as you see fit.
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pettyofficernick

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Re: ballast bladder
« Reply #32 on: November 03, 2018, 09:46:57 pm »
Yes, many thanks. I am trying to resist the temptation to go and fire up my workshop but I will be up all night faffing about so I will try and leave it until tomorrow.
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