Model Boat Mayhem
The Shipyard ( Dry Dock ): Builds & Questions => Navy - Military - Battleships: => Topic started by: CJ on June 09, 2012, 06:55:01 pm
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If you've been on my other post http://www.modelboatmayhem.co.uk/forum/index.php?topic=37507.msg375532#new
You will know I have picked up a Robbe PT15 and hope to do a "loose" MTB conversion and getting her planing %%
Anyway she turned up during the week..... :-))
(http://s17.postimage.org/uvfri1ll7/IMAG0144.jpg) (http://postimage.org/image/uvfri1ll7/)
and the story so far is I have completely stripped down, sanded, ripped out all the insides and shaft, motor etc all ready......
(http://s12.postimage.org/xo4ka9czt/IMAG0145.jpg) (http://postimage.org/image/xo4ka9czt/)
I have gone with the Deans Marine Kestral (recommended by many here) motor and have set the new shaft in place, new motor mount made and stuck in and filled all hole, marks, dents etc as well with fibreglass filler.....
(http://s18.postimage.org/vglhlxdsl/IMAG0146.jpg) (http://postimage.org/image/vglhlxdsl/)
The new battery mount to hold the new 9.6v battery pack recommended has been placed right at the rear as suggested.
Anyway, kids are now in bed :} so off to the garage to continue.....will try and update on progress as best I can.
CJ
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Hi CJ, some photo,s that may help.
(http://s13.postimage.org/4q1fb5mz7/DSCF0203.jpg) (http://postimage.org/image/4q1fb5mz7/)
(http://s8.postimage.org/d934d54up/DSCF0204.jpg) (http://postimage.org/image/d934d54up/)
(http://s8.postimage.org/bik3bnnbl/DSCF0205.jpg) (http://postimage.org/image/bik3bnnbl/)
(http://s8.postimage.org/5vnqe6ksx/DSCF0206.jpg) (http://postimage.org/image/5vnqe6ksx/)
john
will post some of her on the water tommorow
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Thanks for that John, just the sort of thing I have planned....she looks real nice :-))
Any pics of the cabin ?
Also where did you get your crew from, they look really smart :-))
Cheers
CJ
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(http://s18.postimage.org/ith2l87o5/DSCF0209.jpg) (http://postimage.org/image/ith2l87o5/)
Hi CJ, the crew were the Italeri 1/35 MTB crew. The actual boat is 1/40 scale, so the figures dont look to bad.
I will post some pick,s of the cabin for you later today mate.
john
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(http://s14.postimage.org/wfrzj2j6l/DSCF0218.jpg) (http://postimage.org/image/wfrzj2j6l/)
(http://s14.postimage.org/4gxts7hjx/DSCF0219.jpg) (http://postimage.org/image/4gxts7hjx/)
(http://s14.postimage.org/cayfdlpct/DSCF0220.jpg) (http://postimage.org/image/cayfdlpct/)
(http://s14.postimage.org/j2ouggecd/DSCF0221.jpg) (http://postimage.org/image/j2ouggecd/)
Hope they are of some use.
john
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Thanks again John, yes great thank you....mine will be a "loose" Vosper MTB, got a few things I want to do on it put not gonna be rivet perfect :D .
Just want a playmate for my Fairmile RML :}
Last night I managed to get her undercoated.
(http://s17.postimage.org/qxocy2vez/IMAG0147.jpg) (http://postimage.org/image/qxocy2vez/)
Luckily for me the forecasted rain never came today, so rather than a dry fit out of parts I took advantage of the sun (and the wife and kids out for the day) and got on with the painting :}
Will undertake the dry fitout during the week and hopefully by the end of the week will get a test run in to see how she goes and get the tweaks done before fitting permanently into place.
Will try and get some more pics soon.
Cheers
CJ
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Well, managed to build a stand finally so I can work without the wobble of the shoe box %%
Managed to get everything dry fitted and tested, all seems OK till the new Planet RX wouldn't work !! Swapped out with the other in my RML and that works so off back to the model shop to swap !!!
(http://s13.postimage.org/uf36sl977/IMAG0148.jpg) (http://postimage.org/image/uf36sl977/)
Other than all seems to fit and look OK and work as it should :-))
Water test will be next - If it stop's bloody raining >>:-(
CJ
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Hi CJ, are you fitting a cooling coil to the motor, I would normally fit one on that type of motor as you want
a boat that planes, the motor will be running at top speed so it will warm up quickly.
A new chap bought his 1st build PT boat down to the lake Sunday for it,s maiden voyage he had a 480 type
motor in it. After 30min,s he had to be rescued, the motor had overheated and burn,t out.
After a few recommendations and some good advice he says he will be back with a 600 type motor with a cooling coil fitted.
john
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Hi John,
Well interesting point well made there, after having a Planet TX/RX issue which was resolved very helpfully by Howes Models in Oxford, I took her out with fellow Mayhemer Grub yesterday for a test run loosely fitted.
Well success :-)) is all I can say, well...excusing the first 10 seconds when I got lodged on a tree in the lake :embarrassed: but after that was very happy :}
(http://s16.postimage.org/u91hcrkz5/IMAG0149.jpg) (http://postimage.org/image/u91hcrkz5/)
She is planing nicely nearly two thirds out the water (not quite full throttle) - OK, I know she is running just her shell....but once finished she is gonna be running just right :-))
So onto your question, well after a 20 min run I bought her in and probably good job too, if we had a camping stove we could have made a brew down there !!! Boy was she hot %% to the point you really couldn't touch it.
So to answer John - Yes, off this afternoon to purchase water cooling kit coil !!
Glad he didn't do too much damage to his boat !! I do like to test and test, before fixing everything into place finally just for that reason O0 .
So cooling to fit and some painting to do so will update all again soon !!
CJ
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Looks O/K to me CJ. :-))
john
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Thanks John, Yeah I'm pleased with the way she goes !! Planes really nicely :-)) :-))
Not much progress to report on really.....after the test run early in the week the water cooling has now been installed and all electrics have been glued, screwed and stuck in place !!
(http://s13.postimage.org/hgedwo5pf/IMAG0151.jpg) (http://postimage.org/image/hgedwo5pf/)
(http://s14.postimage.org/hguex5vel/IMAG0152.jpg) (http://postimage.org/image/hguex5vel/)
Happy with everything so far so will see how work on the hull progresses over the weekend :}
CJ
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She went well Col and apart from the parking it on a tree it was a nice little outing {-)
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{-) - Cheers mate, I was happy - yes parking skills do need to be improved !! {-)
And the sun shone for an hour or so too !! :D
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Well, slowly in between the showers the sun has shone, so on with the painting....all at varying degrees of primer, 1st coat or second coat !!
(http://s17.postimage.org/tosgxiqgb/IMAG0153.jpg) (http://postimage.org/image/tosgxiqgb/)
Drying in the sunshine now but will be back in the garage tonight as rain is forecast so that will be fun with the door shut {-) %% {-)
(http://s14.postimage.org/u3i5fpfwd/IMAG0154.jpg) (http://postimage.org/image/u3i5fpfwd/)
(http://s15.postimage.org/l9x7yn4wn/IMAG0155.jpg) (http://postimage.org/image/l9x7yn4wn/)
Will try and get some more pics taken as she comes along !!
CJ
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Well CJ I know you said you wanted a playmate for your Fairmile,
looks like you have one,teeth and all. {-)
looks brilliant
john
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Thanks for the comments John, I am pleased at how she is coming on :}
{-) Yeah, well if the torpedos don't get em the teeth will - A bit of artistic licencing from the 55th MTB Flotilla
(http://s17.postimage.org/85vu9vugb/55th_mtb_flotilla_gosport.jpg) (http://postimage.org/image/85vu9vugb/)
CJ
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Hi CJ,
Any ideas where I can the teeth transfer for my Fairmile please.
regards
ken
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Hi Ken,
The teeth are actually a direct trace and hand paint from the black and white photo actually, I did look around but couldn't find anywhere. I also tried cutting from stick sheet but wasn't happy with them. Hand painting not the best, I suppose I could have tried masking and spraying but I'm happy with it for what she is.
Cheers
CJ
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So am I. They look the part indeed. :}
cheers
ken
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Thank You Ken, glad you approve :-)
CJ
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Not really much more to report on, progress is as you would expect !!!
(http://s14.postimage.org/5k0wjksx9/IMAG0157.jpg) (http://postimage.org/image/5k0wjksx9/)
Feeling slightly happy the pile of "finished" fittings are beginning to outweigh the pile of to do !!
Cab is taking shape...mast, glazing, rain shiled all to be finished and added prior to sorting rigging out !!
(http://s16.postimage.org/hbl3jkqyp/IMAG0158.jpg) (http://postimage.org/image/hbl3jkqyp/)
Getting there slowly, will try and get some more pics up soon !
CJ
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Hi CJ,
Any ideas where I can the teeth transfer for my Fairmile please.
regards
ken
Hi Ken
Deans Marine might do some seperate for you, they do them for there Fairmile..
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Hi CJ,
Any ideas where I can the teeth transfer for my Fairmile please.
regards
ken
http://www.sail-rc.com/contents/en-uk/p792.html
One of our sponsors does them Ken
Ned
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CJ I am so sorr to say this but you have a Major problem with your Motor set up PLEASE oh PLEASE get rid of the spade connectors on the motor and solder the wires on properly,it is NOT good practise to do this at all,I have seen many a model stop in the middle of a lae as the spades have got hot and they have come off the motor .
Dave
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Thanks for the Teeth ideas. Plenty to think about there. :-))
cheers
ken
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Cheers for the teeth discussion, it's turned into a forum for dentists :}
(http://s12.postimage.org/ysnn65yux/IMAG0159.jpg) (http://postimage.org/image/ysnn65yux/)
Well the hull has been final coated and finished and back up the right way ready for deck work, once rudders and prop installed.
Dave, thanks for the comments but don't worry purely for aesthetics rather than a bulky solder joint, trust me working in the eletcrical industry I would never just leave them. I use quite thick gauge cable and couldnt get a decent finish on the motor pins, so suppressor's were soldered on, then the cable was soldered to the spade connectors and fitted, then these have been soldered in place - trust me, they ain't coming off :-)) . The plastic boots then fitted just to keep it all looking nice and tidy !!
Just me being fussy, trust me I would never rely on those to hold on their own.
CJ
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Well progress has been fair over the weekend and she is starting to come together, a few pics just to update !!
(http://s9.postimage.org/mabor0w23/IMAG0160.jpg) (http://postimage.org/image/mabor0w23/)
(http://s17.postimage.org/eoim5uw97/IMAG0161.jpg) (http://postimage.org/image/eoim5uw97/)
(http://s17.postimage.org/drc6wzkqz/IMAG0162.jpg) (http://postimage.org/image/drc6wzkqz/)
(http://s14.postimage.org/97czerjxp/IMAG0163.jpg) (http://postimage.org/image/97czerjxp/)
(http://s15.postimage.org/9qwvd2wfb/IMAG0166.jpg) (http://postimage.org/image/9qwvd2wfb/)
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She,s looking good CJ. :-))
john
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Thanks John,
Yeah nearly there now,
(http://s13.postimage.org/mxc7i654j/IMAG0173.jpg) (http://postimage.org/image/mxc7i654j/)
(http://s17.postimage.org/pyix2a9x7/IMAG0174.jpg) (http://postimage.org/image/pyix2a9x7/)
(http://s15.postimage.org/syftlm7ev/IMAG0176.jpg) (http://postimage.org/image/syftlm7ev/)
(http://s7.postimage.org/t78ur5tjr/IMAG0177.jpg) (http://postimage.org/image/t78ur5tjr/)
Had a slight incident with the water cooling - It didn't work >>:-( and we nearly had her up in flames, will get the water shots up later !!
Resolve that and I should be all good :-))
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Still not sorted my water cooling issue but just an update with a few pics of her on a quick blast !!! Must get the cooling sorted though >>:-(
(http://s18.postimage.org/emvuxj38l/IMAG0179.jpg) (http://postimage.org/image/emvuxj38l/)
(http://s15.postimage.org/sm32zw9jb/IMAG0178.jpg) (http://postimage.org/image/sm32zw9jb/)
CJ
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OK - so just a little update on my water cooling fiasco, after a lengthy conversation with an expert (thank you Martin :-)) ) I have made a few changes, new inlet location, sharper angle on the inlet, thicker tubing and re-routed shorter and completed the tub test....
(http://s13.postimage.org/w84g31ysz/IMAG0193.jpg) (http://postimage.org/image/w84g31ysz/)
(http://s17.postimage.org/d9dia9tx7/IMAG0196.jpg) (http://postimage.org/image/d9dia9tx7/)
and I do seem to have a steady flow through, also now running a 30mm X prop......once all this darn rain stops hopefully I will get her out on a run and see if she can keep her temperature down - only thing is I hope I have'nt done any long term damage to the motor now :((
Oh well - time will tell, these modelas are never finished !! {-)
CJ
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OK, so the sun is shining and managed to get some testing in and something starts to go right at last, well she is now running a Graupner Speed 600BB with a 40mm X-Prop and she goes like the preverbial !!! Planes over two thirds and doesn't even get hot :-))
(http://s7.postimage.org/bh22fj893/IMAG0197.jpg) (http://postimage.org/image/bh22fj893/)
(http://s8.postimage.org/79gdmzm9d/IMAG0199.jpg) (http://postimage.org/image/79gdmzm9d/)
Which is a good job as the flippin water cooling isn't working >>:-( Not needed at all now but gutted that it seems to have beaten me, don't know what the issue is with it and I will try and have another play around with it as I had being beaten and want to learn why !!!
Anyway - She looks good, goes like brown stuff off a shovel, stay's cool and planes like a good un :-)) :-)) So happy !!
CJ
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l done CJ looks and sails like a Gd.un
re:- water cooling, did you bend the pick-up pipe at an angle facing the prop?
like the brass Graupner type. its bent at about a 20 degree angle.
They work fine.
The ones I make for my boats are shaped like a letter J snorkel type.
with a brass washer soldered on to act as a flange. They always work for my boats.
john
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John,
Spent the day down at Watermead Model Boat Club, and yes that was suggested as a possible solution, so will try and make my own up, like I said not that it is needed but refuse to let it beat me !!
Will give that a try thank you !!
CJ
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Well still plodding with my little cheapie now fitted with a 64mm EDF and does happen to move quite quickly if 11.1v are injected, however running on lipo 7.4 at the moment and doing aok, no heating probls on ESC or Motor etc.
Nearly finished now I dont think can do much more to this little one. In Hindsight I think the EDF motor was dearer than the actual boat haha Never mind it will give some of these little fast electrics a shock haha.
(http://s12.postimage.org/yv73x1g15/US_Nimitz_Build_and_Conversion_to_RC_023.jpg) (http://postimage.org/image/yv73x1g15/)
(http://s12.postimage.org/txtjbxe21/MTB_Boat_conversion_to_EDF7.jpg) (http://postimage.org/image/txtjbxe21/)
(http://s12.postimage.org/jetjmrbe1/US_Nimitz_Build_and_Conversion_to_RC_021.jpg) (http://postimage.org/image/jetjmrbe1/)
(http://s12.postimage.org/8e2zvh8ix/US_Nimitz_Build_and_Conversion_to_RC_022.jpg) (http://postimage.org/image/8e2zvh8ix/)
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