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Author Topic: HIJMS Hatsuzuki  (Read 11862 times)

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #25 on: October 27, 2012, 04:22:21 am »

Seconded on seeing your endeavors.  :-))

Well, he did say it Hatsuzuki was going to be an escort for the Yamato when he finishes her; it would be ridiculous if his destroyer would be escorting a 1/500 scale Yamato...  %%

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~Harq

RAAArtyGunner

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Re: HIJMS Hatsuzuki
« Reply #26 on: October 27, 2012, 06:07:16 am »

Seconded on seeing your endeavors.  :-))

Well, he did say it Hatsuzuki was going to be an escort for the Yamato when he finishes her; it would be ridiculous if his destroyer would be escorting a 1/500 scale Yamato...  %%

That I missed {-) {-) however there are 1:50 tugs escorting 1:200 ships at various ponds %) %) %)
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Gunna build those other boats one day.

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #27 on: November 08, 2012, 10:06:29 am »

I know. Doesn't it irk you to no end?

At least get in the ballpark area of scale. I think the Lindberg Diesel Tug would be more fitting.

There are some 1/200 scale tugs out there; Revell Smit Houston and Revell Smit Frankrijk to name a few.  ;) ;)


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Harquebus

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Re: HIJMS Hatsuzuki
« Reply #28 on: November 24, 2012, 12:46:39 pm »

RSM:

What are the adhesives you used to affix the prop shafts, motors, receiver and such? Some of it looks like RTV silicone caulking which looks good for reducing vibration.
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rsm

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Re: HIJMS Hatsuzuki
« Reply #29 on: November 24, 2012, 04:42:12 pm »

The prop tubes were epoxyed in and then sealed around and faired in with milliput. The motors, receiver, servo and esc were stuck on with no more nails double sided tape and then secured with silicone rubber from Maplin.
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Roger

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #30 on: January 07, 2013, 01:14:52 pm »

Great. I have been able to find No More Nails internationally which is good. Thanks for making this product known as it looks like a good alternative to hunting down or fabricating a metal or plastic mount or otherwise making it more complicated than it needs to be.

What is the typical length of run time you experience on the Hatsuzuki's 4.8V battery?
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rsm

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Re: HIJMS Hatsuzuki
« Reply #31 on: January 11, 2013, 11:59:51 am »

I have never run it long enough to flatten the batteries, so they last quite a long time!  :}
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Roger

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #32 on: January 17, 2013, 08:37:46 am »

Well, you wouldn't want them completely flat and leaving you stranded in the middle of the lake.  :o
But I was wondering how long it was before you noticed the batteries getting weak?

Some other conversions of the Akizuki/Hatsuzuki speak of the RC components being too heavy and/or the actual waterline being too high. Is that a concern with yours? I mean as a motorized model (motor/battery/gearbox), it was probably ideal as-is but one is adding considerably more weight with a servo, linkage, brass prop shafts and props and receiver.
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rsm

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Re: HIJMS Hatsuzuki
« Reply #33 on: January 17, 2013, 08:56:03 am »

Most of the components are pretty light weight so she floats pretty close to the proper waterline. I haven't sailed it any longer than 30 minutes in one go, but the cells still had plenty of juice in them. The batteries are quite high capacity and the motors draw very little current so I guess you could go quite a bit longer. In answer to one of your previous questions the motors and electronic components are secured in position with Servisol silicone sealant (the no more nails tape is used to hold things in position until the silicone sets).
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Roger

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #34 on: March 05, 2013, 01:35:54 pm »

Salut RSM.

What kind of glue did you use to assemble the model? Was it ordinary plastic model cement and of what viscosity? The joint between the upper and lower hull halves would seem to be most critical. Can you explain how you did your hull joining procedure?

I had also heard that Nichimo uses a sort of proprietary type of styrene plastic that might require a different or stronger cement. This may be conjecture however...
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rsm

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Re: HIJMS Hatsuzuki
« Reply #35 on: March 07, 2013, 09:13:17 am »

I used Revell Contacta professional glue and taped the hull together with tamiya tape until the glue set. The glue is not viscous and works well on the plastic, the joint between the hull halves is pretty strong.  :-))
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Roger

Harquebus

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Re: HIJMS Hatsuzuki
« Reply #36 on: March 22, 2013, 07:02:33 pm »

In this video here you will find a similarly converted Nichimo Akizuki handled badly. Either it is slightly top heavy as evidenced by the heeling or that heeling is induced by ham-fisted application of the rudder (quick application of full port/starboard or anywhere in between). Maybe a more gradual change in direction instead of the usual rapid cycling of the rudder servo would stop the port to starboard "bobbing".

Do you have similar handling issues with yours? Does she require a a certain finesse in operation?


I also see the destroyer is slightly too bow heavy, lighter in the stern and there's some prop cavitation as they come out of the water in sweeping turns.
I enjoy picking your brain on this particular topic. I guess because the subject matter is such a rarity.  :-))
Thanks.
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rsm

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Re: HIJMS Hatsuzuki
« Reply #37 on: March 25, 2013, 09:01:25 am »

No handling problems with mine it is very docile. You can go from full port to full starboard, and vice versa, at full speed without upsetting it. Don't know if it would be the same if you enlarged the rudder though.
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Roger
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