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Author Topic: RAF HSL whaleback in 1/16th  (Read 46474 times)

tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #75 on: June 02, 2021, 07:24:58 pm »

yesterday was proof of concept, today was production,, cut-form-file-sand and repeat..15 and some spares...
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #76 on: June 05, 2021, 07:16:47 pm »

a few boxes arrived, motors, shafts, struts and the assortment of strip wood.. the struts will get some work to make them a little more scale.. the shafts are extra long but will get the length adjusted to fit..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #77 on: June 10, 2021, 06:11:22 pm »

today was the day to start putting holes in a perfectly good hull!!!
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #78 on: June 11, 2021, 01:31:45 pm »

struts and stuffing tubes all bedded into/onto the hull.. counter sunk strut holes will get through screws and nuts,, I have some BA thread ones in my stash that will fit, so this boat will get a UK part or two,, a dummy motor with a bore that matches the shafts will get turn to use as a alignment fixture to help in mounting the motors..
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Nordlys

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Re: RAF HSL whaleback in 1/16th
« Reply #79 on: June 11, 2021, 01:43:12 pm »

Hi! I haven't seen propshaft struts/ supports like this before, where did you get them from?
Of course if they are US then doubt I can get them over here.....
Thanks
Nord.
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #80 on: June 11, 2021, 01:57:49 pm »

they are from http://www.mackproductsrc.com/index.htm   I couldn't make them for the price and time,, if you look on an earlier photo the base and the strut were a bit longer, I trimmed and drilled (plus the counter sinks) to get looking more of what I needed.. the fact that they were 10 degrees worked out perfect.. should look better all cleaned up..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #81 on: June 11, 2021, 06:59:49 pm »

made the motor spacing and alignment fixture,, the front length is the spacing for the coupler..just have to make mounts for the mounts..
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roycv

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Re: RAF HSL whaleback in 1/16th
« Reply #82 on: June 12, 2021, 08:38:30 am »

Hi all I have a HDML with twin shafts and a skeg with a bearing, making 3 bearings in all per prop shaft.  It is in a wooden hull and the wood moves fractionally, certainly enough to frequently tighten up the shafts.  I had to ease the centre bearing open a little with a tapered reamer, just a few thou but it solved the problem.
I use the stuffing grease mixture recommended by Ron Dean and it stays in place with virtually no load on the motor.

Regards
Roy
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #83 on: June 12, 2021, 03:58:26 pm »

the hull areas where the shafts and struts mount, besides the double diagonal planking have a third layer of plywood added. hopefully this will be a stabile mix and stop any movements. in my tool stash are 12" 1/8" and 3/16" drill bits, work great for adjusting minor alignment issues..
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John W E

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Re: RAF HSL whaleback in 1/16th
« Reply #84 on: June 12, 2021, 04:38:09 pm »

Hi there

I must admit this is a problem that I myself have never come across, where prop shafts have moved, due to timber swelling.   Yes, on real vessels, I have come across that before - but - never on models.    I wonder if it is the material/wood that the model has been made of, or, has the timber been excessively wet.   I have several models on which the prop shafts are quite long with more than 2 or 3 bearings per shaft.   I have never had trouble with them.,

I have also built the Whaleback the same as the 1/16 and never found this to happen.

tghsmith I am really enjoying your build - I am waiting for you to make the ball turrets.  :-)    Once I have seen how you do that, I may contemplate rebuilding the Whaleback.
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #85 on: June 12, 2021, 06:07:47 pm »

rudders will be next week, all the brass stock has been laid out.. the turrets would be about finished but I can't find the box that has the vacuumed formed panels.. (I put in a safe place) a little more clean-up was done and a coat of final paint was sprayed.. the panel sections will get glued in place,, some heavy aluminum tape will be used for the cover strips that held them in place..(if you surface sand the tape it takes paint well) if I have to I'll form some new panels..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #86 on: June 14, 2021, 06:02:40 pm »

made a quick form so that the rails could be steam bent close to the final curves, chines and rubs are in there now, tomorrow toe and fender..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #87 on: June 15, 2021, 08:16:55 pm »

the preformed stock for the 4 different rails,, shouldn't have to fight to get them mounted..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #88 on: June 16, 2021, 11:38:36 pm »

motor mounts mounted, time to trim the shafts and start on the steering gear..
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gra2

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Re: RAF HSL whaleback in 1/16th
« Reply #89 on: June 17, 2021, 10:37:14 am »

Hi a great build can you tell me what size motors you are using and are the cooling collars available.

Graham
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #90 on: June 17, 2021, 11:28:54 am »

trying some 28mm 730kv outrunners..the mounts have water cooling if needed..  can go up to 36mm if needed.. thinking that a forced air system will be involved to help keep things cool in the hull.. 
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #91 on: June 17, 2021, 09:14:29 pm »

rudder day, the lathe and mill made it easy and even the silver solder flowed well today (new container of stay silver flux) all installed and waiting for the resin to set!!!
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #92 on: June 22, 2021, 06:01:38 pm »

dusted off my home-built vacuum form "machine" .. filled the turret form grooves with bondo and mounted them together on some plywood.. formed up enough dome material that should get the turrets covered..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #93 on: June 24, 2021, 07:26:13 pm »

rub and chine rails fitted, planed and sanded to shape,, a light coat of primer to hi-light the flaws..
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gra2

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Re: RAF HSL whaleback in 1/16th
« Reply #94 on: June 25, 2021, 06:32:59 am »

Looking good.

Graham
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #95 on: June 25, 2021, 07:50:47 pm »

thanks all.. all the curved rails installed.. spindle sander and files to do the cut-aways, the final height was planed and sanded after install.. hopefully the turret bubbles will get glassed this weekend..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #96 on: June 27, 2021, 05:14:59 pm »

one turret glazed, one to go,, the metal tape is working well for the outer strips,, will still need a little paint on them and the fins.
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #97 on: July 01, 2021, 06:06:08 pm »

stern exhaust tube day,, turned some pvc tube to make the ports,, a homemade hole-saw was about perfect and cut the holes nicely.. hopefully this should look a little better than just the rings glued to the stern in my 1/24th scale model.. batteries and rudder servo ordered so about all the parts are gathering..
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #98 on: July 03, 2021, 03:34:27 pm »

second turret bubble glazed this morning
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tghsmith

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Re: RAF HSL whaleback in 1/16th
« Reply #99 on: July 05, 2021, 08:35:16 pm »

started grinding out the cabin window holes and installing the aluminum frames..
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