Model Boat Mayhem
Mess Deck: General Section => Model Boating => Topic started by: theyoungboy on August 30, 2012, 12:25:33 pm
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I'm building a boat and its going OK i am not building a real boat of scale i just found some planes and started to build
so whats my problem
well I'm thinking of putting motors in it but i an clueless i get the moter propeller ans battrey put servos and other thins i would like to know what i will need and what it does so can you help many thanks in advanced
( i don't want to use a ruder i would like to use 2 motors its is much easier at installing)
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first up what kind of boat and what size? this makes a huge difference to the equipment required
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the lenght is about 70 cm and the back ( is that the bow or stern ) comes up if you know what i mean like the titanic
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Any chance you could post a picture. ?
Welcome to Mayhem. You should find all the help you're gonna need on here. 8)
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And your local club would be a great source of help for you too O0
I am so grateful for all the hands on help I have recieved along the way.
Anyway welcome to Mayhem
Dave
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There's a full thread here: http://www.modelboatmayhem.co.uk/forum/index.php?topic=38943.0 (http://www.modelboatmayhem.co.uk/forum/index.php?topic=38943.0) helping a newcomer to model boating - providing advice on Radios, motors, servos, escs, the lot.
Without knowing much about your boat it's hard to give advice, but I would suggest that you consider a rudder - the cost of a single engine installation is much less in cash and time and difficulty, and a rudder will provide better maneuverability...
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(http://s10.postimage.org/gjk9pifsl/IMG00005.jpg) (http://postimage.org/image/gjk9pifsl/)
there we go no i did try to plank it which i did but i had to many gaps so i paper mached it which you may think is crays but it will still work with waterproof paint also im going to add yacht varnish too it and i have already looked at my local boat club but would like to finish it first and thanks for the warm welcome
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Wind up methinks
If not, my apologies and welcome.
Ned
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wind up ?? i dont get it you think im joking or some thing??
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is there anyone who can answer my questions >>:-(
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Hello again,
The first thing that is noticeable is that you have a centre bar running across the top of deck level. This should be removed and re-fitted along the bottom of the boat to act as a stabilising keel.
Secondly, you are going to need stronger sides to the boat with sturdier materials. Please discount the paper and glue idea as it's not suitable. Your joints are going to be poor and a good waterproofing will be needed. Please have a read up on other members models to get some more ideas as you seem keen to get on and we will help you all we can. :-))
ken
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and..... is your Super Lamb Banana the one in Liverpool outside the Uni?
Dave
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is there anyone who can answer my questions >>:-(
the last thing you need to do when asking for help is to put a ticked off smiley after your post young man.......it serves nothing and just gets the backs up of those whom you want to help you.
as is.......another way of strengthening your hull is to use brown paper glued strips.......you can buy it in rolls from stationary shops.
Once you have bought it....lay it on in diagonal strips from top to bottom of the hull, and then once coated./..re strip it with the paper strips running in the opposite diagonal way.....normally done on lifeboat hulls with timber planks, you'll be suprised to find how strong a hull can be made from brown paper strip.
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paper is not unusual look at the tissue and clear shrinking dope method of sealing a hull. brown paper strips and dope will do the job just fine. To me it seems that the designer of this boat didnt have the intention of including a motor installation, If they had they wouldnt have put that centre bar down the middle blocking all access.
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thanks 4 all the help so far an th reason i didnt put it along the bottom is it curves it so to me it made more sense an thanks for the brown paper idea i will try it as i dont want to scrap it because i know it can work yes it will need waterproofing i intend to use waterproof paint then top of with a few coats of yacht varnish :}
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make sure you varnish the inside as well
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i would like use resin for the inside but carnt find any shops that sell it
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Halfords sell the resin and hardener, should be with the body repair fillers and fibreglass matting
resin
http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_168217_langId_-1_categoryId_165625
Hardener
http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_189508_langId_-1_categoryId_165625
You could also lay on some tisse to give it some extra stength on the outside
http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_161890_langId_-1_categoryId_165625
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thank i shall buy some what does the hardener do ??
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The clue's in the name!
You mix a little of the hardener into a pot of the resin (the quantities that you need of each are given on the products) and it starts a chemical reaction which makes the resin go hard. Typically - though it depends on temperature and the amount of resin you add - you get ten minutes or so before the resin is an unusable, jelly-like, sticky mess of hot gloop.
Can you tell us what plans you used for the hull, please?
Andy
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i got the plans from a picture and trace them
(http://s10.postimage.org/kp56urw51/i_028.jpg) (http://postimage.org/image/kp56urw51/)
:D :}
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Very impressive. You have the right ideas. :-))
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why thanks that makes a 15 year old boy very happy :-)
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i got the plans from a picture and trace them
:D :}
Maybe I can add a few comments? Unfortunately several will be of the kind "I wouldn't start from here"... <:(
Nowadays, it is very common to buy a whole boat ready-made from China. 10 years ago, it was common to buy the hull ready-formed in something like fibreglass. 30 years ago, it was common to make up hard chine planing hulls from sheets of ply. You are making up a hull using formers and strip covering, from a basic set of lines, in a manner which was common 60 years ago, and which is nowadays considered to be difficult, sophisticated, fiddly and demanding a high level of skill. So that's not normally a technique I would recommend for a person starting to build model boats.
Having said that, it looks to me as if you have cut the bulkhead formers to a very high level of accuracy. Well done! But it looks as if you have then gone on to join and skin them less well. I attribute that to the fact that you have given them very little longitudinal support - just one stringer down the centre at deck level. Boats built using this technique were usually put together upside down on a building board, with a frame jig, or building stock. Here is a picture from a 60-year-old book showing the technique:
(http://s12.postimage.org/g2z0fhpu1/adam0002.jpg) (http://postimage.org/image/g2z0fhpu1/)
You will see that the frames are mounted upside down on the stock, a strong keel is inserted and stringers are run down the sides of the frames in little notches. This produces a very stiff hull which can then be planked with thin wood, card or gummed paper - usually in two layers diagonally, and while still attached to the building board via the stocks. When dry, the hull is lifted out and the top frames are cut away, like this:
(http://s14.postimage.org/gnf70pgy5/adam0003.jpg) (http://postimage.org/image/gnf70pgy5/)
Provision would usually be made for a propeller tube through the keel, and usually a motor mount as well. In your case, if you attempted to skin the hull without any further support, it must have been an almost impossible task. I couldn't have managed it! It is hard to see from your pictures how well-formed the hull skin is, but if it is poor, in your case I might be inclined to strip the skin, notch the bulkhead frames for a keel and stringers, and then mount them on some stocks and re-skin. The bulkheads look to be very well shaped, and probably deserve a better skin than they have currently got... :-)) :-))
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thanks for your knowledge i want to see if it works my way if not then i will try a dirrent way it is all about experimenting to me :} ;)
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hi ya tyb in today's terminology :-)
Welcome to this here Forum and looking at your build I think you are doing pretty well. Dont forget to look at the Masterclass build :-) several plans there for beginners; and also some step-by-step builds - have a look at the Swordsman Build, Cervia Tug Build; and although you may feel they are a bit beyond you (and I doubt they are) they will help you and give you some ideas of different techniques to skin the hull.
Happy building - and keep on modelling.
Aye
john
bluebird
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i got the plans from a picture and trace them
(http://s10.postimage.org/kp56urw51/i_028.jpg) (http://postimage.org/image/kp56urw51/)
:D :}
Much easier to copy the drawing by the number of frames then fold them down the centre line; having done so cut the outline of the fame out with a pair of scissors and attach the paper to the material you are using for the frame propper. So much better and accurate than tracing each line.
LB
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Firstly, I would make a very slight adjustment to your avatar name, and use the slightly kinder "clewless", which is a maritime term. :-))
You don't appear to be clueless, but rather ingenious and inventive. You are also computer savvy, which in turn helps a lot when members give you advice.
From a shaky start on the forum, the members have rallied round to your aid. Such is the benefit of a forum like this.
Listen to the advice given, appreciate it, evaluate it as much as you can then proceed along that route.
You have sixty years model boating ahead of you (wish I could say that :D) so take your time and regard each build that you do as a stepping stone to greatness.
Good luck with your current project, and well done to the members who are offering good and sound advice.
Yarpie.
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Be careful with resin as it gets hot and a pool gets very hot as it goes off.
Dave
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Thanks everyone for my next build I want to do it more "properly" but as this is only my first one, I'm experimenting with what works and what doesn't.
Thanks for giving that minute or 2 to reply and share your knowledge with me %% {-) :-))
Your welcome :-))
I've put a few commas and full stops in your letter to break it up a bit. (makes it easier for 'old uns' to read). %)
Keep up the good work
ken
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thanks for your knowledge i want to see if it works my way if not then i will try a dirrent way it is all about experimenting to me
... for my next build I want to do it more "properly" but as this is only my first one, I'm experimenting with what works and what doesn't.
Absolutely OK. Just be patient and prepared for failures, and don't be downhearted. Even doing it the way others say doesn't always work - we all have different abilities - so finding out your own 'best' ways is well worth doing.
One of my limiting abilities is drilling holes in the right place, especially in wood. I can measure it, mark it, check it twice and use a pillar drill - and it will always end up off centre ... grr!
So I've had to learn how to work with that :)
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i have just applyed the first layer of yacht varnish and it should be ready about saturday. O0 O0 dont you think that face looks funny what do you think face ???? O0 O0 O0 O0 i think thats a yes.
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(http://s11.postimage.org/5iavw3s8v/IMG00011.jpg) (http://postimage.org/image/5iavw3s8v/)
here she is floating at sandwell valley (i came just as the other model boaters were leaving but still got some advice from them so i was happy :}
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Be careful when doing the electrics, I have a tendency to open the end of the wire & let the smoke out, Mick B.