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292 posts · Page 18 of 25
ianed57
Sub-Lieutenant
1 / 3
Lesro Rapier
A Lesro Rapier built from a new kit undertaking its maiden voyage. Two 700 9.6v motors with two Mtroniks 40 amp esc's run on 12v with two 37.5mm props. The performance was somewhat disappointing. When the photo was taken I had a 14.4v pack in, forgetting the 12v limit on the esc's -but I got away with it!
28 comments
  • GreggSub-Lieutenant
    I would try and leave the cooling slots fully open, to allow air to circulate through the motor internals. Same goes for any air slots in the front face of the motor, always try and make a hole on the motor mount [if none in], to aid airflow through the motor.
    if you cover the slots up, you are only adding to the internal temperature of the motor you are trying to cool.
  • ianed57Sub-Lieutenant
    Thanks. I suppose it's obvious when you think about it. The motor mounts do have slots in the front face.
Gregg
Sub-Lieutenant
Kyosho Wave Master
Purchased secondhand, upgraded to a proper motor esc rather than the original/factory on/off micro switch for the motor power. Running a graupner 600 race motor and 7.4 lipo, basically just to run the brushes in on the motor before raising the battery voltage,
bit of a shaky video but try holding the transmitter and filming at same time on your own [ha ha].
it does have the capacity to move a ot faster, but would sooner work the motor in fully first
jelley_baby
Chief Petty Officer 1st Class
1 / 4
Plastic RTR Budwiser Boat with Mods
I've had this boat in the shed for years and at last have started to do some mods on it but will it work, will hopefully try it tomorrow at Cwmbran. Has any one tried this before, it will run on a 3800KVa Brushless Outrunner from an Helicopter with a 70 Amp Red Brick Forward only speed controller, first runs on a 7.4 2 Cell Lipo and then 3 cell 11.1 volt Lipo and if I feel brave I have a 4 Cell 14.8 volt Lipo as well, it's prop is 30mm but have 25mm and 35mm two blade bronze ones to try.
1 comment
  • Dave MVice Admiral
    Looks like you are in for some serious fun. You may be able to get the best performance if you have or can borrow a wattmeter to see the effect of different battery / prop set ups. Brushless motors and LiPo's don't like it if you exceed their power ratings.
    Looking forward to hearing the results, or maybe a video of the boat on the water.
    Good luck 😀
jelley_baby
Chief Petty Officer 1st Class
1 / 4
34inch Fireboat not an aerokit.
HI I am not sure what kit this is or was but I know that its not the Aerokits version. it was bought on Ebay about 2 years ago and it has been restored to what you see attached. it is running on a Johnson 600 and a 35x prop, power is from a 11.1 volt Lipo.
Liked by circle43nautical
8 comments
  • RaydindayalRecruit
    Hi! Fellow modelers, The Vosper kit was matketed by KeilKraft a British agent some time during the 60's, I actually was their agent in South America, but I believe that now they are no longer in business. it is a beautiful model. I did have a good run at my previous home in Guyana, in a cane field then flooded, it worked beautifully with the diesel engine/ screw prop assembly by Graupner. Now I have to look at electric of which I know very little., but I am hoping that the model shop will help when I am ready. Thanks Ray
  • jelley_babyChief Petty Officer 1st Class
    HI Ray, The sail at Cwmbran today was a success the boat out performed the previous setup. Several members run Vosper fireboats all running electric power, one with a gearbox 2:1 reduction and two models like mine with 700 size electric my run time on 7.2 volt 3600Mah battery is about 30 to 35 minutes with some fast runs, shorter with all fast running. On 9.6 volt 3700Mah (4.8 x 2 in series) runtime is about the same but model is very quick. On 11.1 volt Lipo 2200Mah battery run time is about 15 to 20 minutes but very very quick. I buy most of the Johnson motors that I use on Ebay the prices vary but all are cheap and I have had no problems with any of them. Our Club is all Electric, but that does not mean slow boats. Electric power has evolved in leaps and bounds over the last few years.
    Regards Graham
wullie
Able Seaman
Scharnhorst
My recently purchased witches hat props from Gsitek...there,the dogs danglers,and I think they are the biz,...mind you, I doubt if the stickies and taddies will be able to tell the difference,
3 comments
  • modusmanRecruit
    How is the Prinz Eugen does it go with the Scharnhorst
  • wullieAble Seaman
    It was never with the Scharnhorst,it was with the Bismarck,
wullie
Able Seaman
S80 Schnellboot
This is my 1/24th scale S80 Schnellboot,it has a Metcalfe GRP hull,the superstructure is a mix of 3mm/4mm ply and 2mm plasticard,it has 3 x Graupner 600FG motors that have a 3.1 ratio gearboxes fitted,the props are 55mm witches hat type,and it has 3 x Electronize 30amp speed cont,it has a really good scale speed running on 2 motors but nearly jumps out of the water when all 3 are engaged,It was scratch built from plans,but not by me,I got it in plain grey,I did the paint job and added the crew,I sail her on a pond near to my home in Edzell,
2 comments
  • bilboRecruit
    That's not the one that got pooped on is it Wullie ?
  • wullieAble Seaman
    yup thats the one,little sh*ts,...but they've been locked out now,and their not getting back in
jelley_baby
Chief Petty Officer 1st Class
1 / 2
Billing Polar Trawler
I have had this boat for about 5 years, so thought that it would like a day out. Sailing at Cwmbran August 2012. its a Billing Polar Trawler, not now made but at about 32 inch long is a managable size. Twin 385 motors 35mm 3 blade brass props. and running on a 7.2 volt 3700 mAh NiMh viper speed controller and a 2.4 Ghz RC it will potter around all morning on one battery. I originally ran it on a 6Volt 4Ah Gel Cell and 27 Mhz setup.
Liked by watson220
3 comments
  • jelley_babyChief Petty Officer 1st Class
    HI Rob if you have an email address that I could use I have photos of the boat, a friend at my club is also restoring one so I have just taken some photos but I could take some more of the areas that you require easily, sadly I do not have a plan myself as my polar was bought on Ebay at least 5 years ago and I had to work from a billing catalogue photo and some photos from old Model Boat Magazines. Hope to hear from you if that will help.
    Graham
  • Robertoc2109Recruit
    Graham

    Thanks so much for getting back my email is PM only - Admin. Any advice or extra pics would be great I really appreciate it. I will upload a pic of the boat at the weekend and show everyone the PROJECT 😯

    Thanks again Rob
THECAPT2012
Leading Seaman
RC HOVERCRAFT
MY OWN DESIGN HOVERCRAFT & SKIRT FILM ON LOCATION AT GARLIESTON SCOTLAND, 10 inc THREE BLADE PROP, OUTRUNNER MOTOR, 12 VOLT LIPO BATTERIES.
Liked by Martin555
3 comments
  • THECAPT2012Leading Seaman
    Thanks Don for your comments, My hovercraft is scratch built,the skirt is unique because it has no holes for lift, the lift comes from slots under the hull, making it fast on land and water. Was that you travelling south on the M6 motorway with your craft Sat 8th?
    Liked by Martin555
  • don83000Able Seaman
    This is the third craft I built and this was test day went very well on both land and calm sea now resides in South America giving tourists rides.It is powered by a 110hp KawasakI 600 Ninja engine for thrust and a 13hp B&G for lift.

    Liked by Martin555
grahams
Leading Seaman
1 / 2
Fairmile D
More photos.All four shafts are powered using Raboesch 35mm diam props.
Batteries are Nicads but I am going to try some 5000ma NIMH IN THE NEAR FUTURE.
Liked by jbkiwi and Sakibian and
6 comments
  • pedroRecruit
    Hey Peter
    Superb job. What an excellent looking boat. Well done
  • LylePetty Officer 2nd Class
    Hello from an Ossie, I am gob smacked at your detail, it is so good I bet you have messed up and the shoe laces on the boots of the crew are done incorrectly? ( well, I know they are wearing wellies, so it can only be that the buttons on the weather jacket are on the wrong side?) What a delight, a superb model of building and engineering. Very, very well done . See ya Lyle.
    Liked by jbkiwi
larrywhetton
Petty Officer 2nd Class
1 / 4
jubilee sea queen
here are few pictures of sea queen scratch built plank on frame using Ikea blind slats ,
first
runs OK but still to sought out motor esc and prop , runs of 5mins befor cut out kicks in . ....
so back in the dock for motor change , so when weather gets better will give it another go at Portishead where there is bit more space to get some on the water shooting-pictures 👍 .cheers Larry...
2 comments
  • chrisbrownRecruit
    HI there, I have a sea queen that I found in my mates grandads house, built in 1959 with paper work for the ganette 15cc motor, the boat was in VGC but I just had to restore it, the motor and esc I used is from gaint cod, the motor is a EMP 50/65 410kv with a 100amp ESC on 4cell lipo 5000 with a 70mm plastic prop, the speed is a bit over scale speed but the run times are up to 20 minutes.Brushless is the way forward, brushed motors are a thing of the past.
  • ianed57Sub-Lieutenant
    HI Chris,
    This sounds very exciting. I have a Sea Queen kit which I want to start and have put off whilst I research what to put in it. Any photos or video of your Sea Queen in action?

    What make of Lipo do you use? I'm just on the cusp of buying a couple and they seem to vary hugely in price. Presumably you got yours from Giant Shark?

    Any info gratefully received!

    Ian
jelley_baby
Chief Petty Officer 1st Class
1 / 2
Yeoman Wavemaster at Portishead
Photo taken at Portishead on 1st July by a friend in my club many thanks to Les Masterton for allowing me to add to my album. Model running on a Johnson 600 with 3:1 reduction gearbox 45mm 3 Blade brass prop and 11.1 Volt Lipo. Not bad for a model designed in 1952. 😊
Liked by Brightwork
5 comments
  • jelley_babyChief Petty Officer 1st Class
    HI Ianed57, Yes Cwmbran is my home water, we sail Wednesday afternoon in term time and the evenings in the school holidays, we as sail Sunday morning 9.30 to 12.30. As I said before phot was taken at the Portishead openday on 1st July, and the weather was blustery to say the least. Graham
  • ianed57Sub-Lieutenant
    HI Graham,
    Your comment on my Wavemaster prompted me to have another look at you photos. I'd say the speed of our respective boats was fairly similar but achieved by different means. I notice you are using a smaller but geared motor with a bigger prop but on the same voltage- all very interesting!

    Ian
aprestney
Leading Seaman
1 / 4
Walton Thames ASRL
Hi" to all model boat builders. I thought I would add my new project to this fireboat website for all to see ! I bought this from fleabay as a total wreck. She is a rare Scratch built from a plan of a Walton Thames RAF ASRL launch at 36 inch long & 8 inch wide.took me approx 6 months to do the rebuild. Brush painted with 5 assorted colours with decals working lights ect.
Walton Thames is now running on a new Johnston speed 600 electric motor. 50 amp speed controller 45mm pitched propeller.A 6 volt at4.ah which gives good running time & good scale speed. Photos are taken at Eaton park Norwich England. Enjoy. 😊
My next project will be a 1950s Aerokits/Keilcraft Sea hornet. " So watch this space "
Liked by mel
3 comments
  • aprestneyLeading Seaman
    Thank you fellow model boatmen for your kind comments.
    on my model boat builds
    Yes it would be a very good idea for a build blogg on my next project . 😉 A Prestney
  • jagman38Recruit
    I had the plans for a Walton Thames launch which I made in the UK before I emigrated to Canada in 1968. it's great to see one again.

Liked by

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