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U-47 from dynamic to static - Conversion to static

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Postby kd6hq » Wed Sep 10, 2003 6:57 pm

:cool:
I'm looking for informaiton on converting a U-47 from dynamic to static diving. I have seen some pictures of the finished project but none of the conversion. The model is not built yet and would like to incorporate the changes into the original build instead of a retrofit. The ballast tank than I am using is the Engle EA750ml.

thanks
Don
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Postby TMSmalley » Thu Sep 11, 2003 7:12 am

Image
SCR Issue 49 (June 2002) has an article by Gary Hethcote
on how he made the conversion to a static system on his U-47 (using a gas system.)
Gary has also documented how he did it on his website
Gary Hethcote's website on improving the U-47
Image




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Postby Sub culture » Thu Sep 11, 2003 11:51 am

Tim,

It looks like this chap wants to use an Engel (piston) tank in his sub. I think the site you referred him to uses a gas ballast system.

There was an article written in the Sub Committee report a while back detailing the fitting of an Engel tank in the U47.

Jeff LaRue(or someone else) may be able to tell you the issue number.

Regards

Andy




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'Why are you staring at an empty pond?'

Want to dive your boat in crystal clear water? Then you had better Dive-in- http://www.diveintomodelsubmarines.co.uk
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Postby TMSmalley » Thu Sep 11, 2003 12:05 pm

Yepper - I remember that one, but I can't remember which issue it was. Maybe Sept 01 #46? I see that Clive Wadsworth had an article about the U-47 but I can't find that issue at the moment.

Anyway - I thought he might get some ideas by seeing another man's approach to the same project. Ya can't have too much information when it comes to subbin'! Image




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Postby kd6hq » Thu Sep 11, 2003 12:28 pm

Tim and Andy thank you very much for the help.
I have looked at the article on Gary Hethcote’s web site and found it to be an interesting application of the Robart system. I wonder if Gary told Robart of the application of their retract system – it might make an interesting commercial for them.

Gary does refer to an article by “Clive Wadsworth published his excellent article, The Robbe U-47: A Beginners R/C Submarine? in the September 2001 issue of The Subcommittee Report” which apparently uses an Engel tank.

Again thank you and I guess now I will just have to become a member – I don’t see a way to do that electronically so I guess the pony express will be involved so “the check’s in the mail”

Don
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Postby TMSmalley » Thu Sep 11, 2003 2:26 pm

You can order that issue from SC Membership maven, Jim Butt, for $7.50 SubCommittee Report back issue order info...

Good luck on your project!
Tim




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Postby JWLaRue » Thu Sep 11, 2003 4:37 pm

...and you can send your membership in electronically (via e-mail) to Jim as well. All he really needs is your snail-mail address and credit card information.

Since the December issue will not go to press until early November, it won't make any real difference which way you get the information to Jim.

(...and btw: welcome to a very interesting hobby and organization!)

-Jeff
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Postby kd6hq » Thu Sep 11, 2003 6:02 pm

:D

Done and thank you

Don
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