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>> Home > Tags > mtb

mtb
mtb
1/35 Vosper MTB by Grandpa Captain   Posted: 2 months ago
Thanks for ALL your replies. I enjoy reading your suggestions and will take them under advisement as this project goes forward. I have three grandsons 7,5,2 so am not sure when the project will get underway. My first grandson asked me to build a Battleship, and finding the Revell 1/350 USS Missouri recently for $40 CDN this kit maybe built before the Vosper. See: bmpt.org.uk then "select a boat here" pick "MTB-71" Does anyone know "Clive Hampton" seen on page 2 along with Peter Baillie ? Has anyone built a 1/350 USS Missouri and motorized it?

1/35 Vosper MTB by Dave M Fleet Admiral!   Posted: 2 months ago
Doug This is a project being built with his grandson. It is perfectly feasible to run with just one engine and use brushed motors and NiMh batteries. Direct drive would work fine. Only a small boat so installation need to be kept light. I do believe when someone asks a question and states a preference it is more helpful to suggest how they can achieve their goal. Your suggestion about LiPos and brushless miss the point completely.

1/35 Vosper MTB by RNinMunich Fleet Admiral!   Posted: 2 months ago
Buy quality LiPos, not no-name cheapos, and follow the rules and they are no problem. The great advantages are higher endurance and lower weight😊 Shame to run an MTB on only one screw🤔 At least two should be fitted or it just won't look RIGHT! I recently bought Basilsdad's 28" Elco PT Boat. It came fitted with 2 x 28er brushless and he said it was "too fast for me"! I am refitting it as Kennedy's PT109 and will retain the two brushless and fit a LiPo as far aft as possible to help with getting the hull on the plane. @ Reilly; I think that was ironic humour from Tica 👍 and I hope he continues to offer advice from his experience. Cheers Doug 😎

1/35 Vosper MTB by reilly4 Lieutenant   Posted: 2 months ago
Hi Tica, From the question posed it was a sensible proposal. Please don't give up on offering help. I was not aware that RC gear needed to be set up for brushed motors or otherwise. I use mine for both brushed and brushless applications and I also have electronic ESCs as well as the old variable resistor types.

1/35 Vosper MTB by Tica Sub-Lieutenant   Posted: 2 months ago
Well I'm sorry that I'd spend time to suggest that you could use high explosives in your boat

BRAVE / PERKASA MTB by RHBaker Fleet Admiral!   Posted: 2 months ago
Thanks for the advice. Now have several pointers towards a successful build, which should start next year. Will write a blog to describe progress eventually.

1/35 Vosper MTB by Grandpa Captain   Posted: 2 months ago
All of my motors are brushed alonag with NiMh batteries and chargers. My preference is to use brushed though I am aware that brushless motors take less space as do the batteries. If someone could provide clarity for RC conversion using the single brushed motor, I’d appreciate hearing from you.

1/35 Vosper MTB by Tica Sub-Lieutenant   Posted: 2 months ago
I would go for a single Brushless solution 1200-1500KV with a 2S LiPo battery, this will help on the amount of weight you have to add to the model.

1/35 Vosper MTB by Grandpa Captain   Posted: 2 months ago
I was given this kit to build with my grandsons. Static or conversion? If conversion, could it be done with one prop instead of three? Direct drive or geared?

BRAVE / PERKASA MTB by Wingcoax Sub-Lieutenant   Posted: 2 months ago
From memory the centre prop was used in harbour or for station keeping at sea. when required the "wing" engines were started. I remember many years ago watching one leave Yarmouth harbour on the isle of Wight and the sound was incredible.

BRAVE / PERKASA MTB by Dave M Fleet Admiral!   Posted: 2 months ago
An interesting subject. There are details at http://www.bmpt.org.uk/other_boats_history/Brave%20class/pag... which may help your thinking. I do believe the third motor was mainly for slow speed use but am not sure. From a model point of view there will not be much space in a 37" hull for three motors and the necessary batteries and my 34" Perkassa runs at full scale speed on two speed 600 motors with a 9.6v 2800mA NiMh. I have seen three prop versions but the centre prop is usually free wheeling is not driven. If you really want performance then brushless and LiPo will give the best results and give plenty of room for 3 motors (28xx size), Escs and batteries. I guess your next step is to source a suitable plan for your chosen variant. I do hope you start a build blog

BRAVE / PERKASA MTB by RHBaker Fleet Admiral!   Posted: 2 months ago
Am scurrying around looking for a future project and have decided to attempt the Vosper Brave class MT/GB. Will use a hull that is about 37" long from MTBHULLS, as that is the size that fits our usual sailing venues best. There are a number of members who have built either the Brave or the Perkasa derivative. Can anybody suggest the best electric drivetrain for this project? At this stage am thinking of triple screws, individually powered so getting a contra-rotating screw should be relatively easy. Would like to emulate the performance of the original if possible. Appreciate any advise on this project and recommendations for a successful model.

Twin motor control problem by reilly4 Lieutenant   Posted: 2 months ago
Hi John, I have a several MTroniks ESCs. If you have the Plug & Play type, then when you first start you need to move the stick forwards and then back. I find that sometimes they refuse to go forward and prefer reverse when the stick is moved forward, so I move the stick backwards first. This usually works (although I don't know why). I do not use the BEC (my choice). I have also had issues with using a single 30Amp Tio ESC running two 12V motors via the single ESC in my Vosper MTB. No answers from MTroniks. Regards

3 x Brushless Motor control? by Slimnot Seaman   Posted: 2 months ago
Hi I'm new to RC boats but not model making, I have 3 small brushless motors an 3 esc, but I can't find a way of controlling them? On you tube there is a MTB with a large control unit connecting the 3 esc' but I cannot figure out who makes it? Any ideas please? Many thanks

Fairmile D - MGB623 and MTB741 by boaty Commander   Posted: 2 months ago
Excellent boats with great scale performance. I like the Fairmile Ds as they are good subjects for modelling and at static displays they always attract a lot of attention. Boaty😊