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>> Home > Tags > sanding

sanding
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sanding sealer
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Fiberglassing by Dave M Fleet Admiral!   Posted: 8 days ago
Hi chugalone 100 Welcome to the site. You can fibreglass with different types of resin and cloth. If you are making and casting a fibreglass hull use fibreglass matting but to cover a hull lightweight fibreglass cloth is best. This is the type shown in the suggested video. Resin can be epoxy or polyester based but the latter is generally cheaper and in my opinion is easier to use and doesn't require thinning with alcohol. It is sold as layup resin and is supplied with hardener. Do follow the instructions re quantity of each part and mix thoroughly. If you are using epoxy Iso Propyl Alcohol is the type to use and is clear. The video shows using a brush to apply the resin and whilst this is OK it will give a very thick and heavy coating. I use the brush to apply and then a credit card sized piece of plasticard to spread the resin over and into the surface of the cloth resulting in an almost opaque finish with the weave showing through. You do need to have a good surface to work with as any imperfections will show when the resin hardens. Once dry give a light sanding all over to remove any imperfections and fill any holes with car body filler and sand smooth. I then apply a very thin top coat of the resin using a brush. When dry use wet and dry to sand and if necessary apply further thin coats until you have the finish you require. I have a local supplier and if you visit the site http://www.resin-supplies.co.u k/product.htm all the resins/cloths etc are listed. Using Google should bring up a local supplier. you do need to follow the safety instructions to protect yourself and wear appropriate protection for your hands, eyes and breathing, it is also best to apply in a well ventilated area and not on a cold day. The end result will be well worth the effort to keep your tug waterproof. You could also paint the resin over thye inside of the hull to protect the wood from any water that doeos find its way inside. Dave

Fiberglassing by Trillium Commander   Posted: 8 days ago
Some can do fibreglassing as easily as shelling peas. I have fibreglassed 3 models so far and have yet to master the technique. I've spent far too much time sanding the results to make them smooth. For my next project I plan to follow the guidance shown here:https://www.youtube.com/w atch?v=ujk-wBQDUSk. He talks about 'denatured alchohol' which, in the rest of the English-speaking world is referred to as methylated spirits.

First post... by Midlife306 Chief Petty Officer   Posted: 12 days ago
I'd been trying not to measure it to be honest, it will be 1.8m long from the tips of the sponsons the end of the jet pipe, gulp... I've roughly cut out the sponsons now, lots of sanding to do now👍 Cheers Wayne

model boat fittings by sonar Lieutenant   Posted: 17 days ago
I have some model boat fittings given to me a while ago.. 10 x doors 26 mm high 13 mm wide. 10 x life raft canisters 12mm wide 24mm long x 12mm high. 2 x Anchors 30 mm wide x 38 mm high. 10 x Hatches 14mm x 12 mm. All above in plastic . needs trimming sanding and Painting. Just a small donation to the forum website and I will get them posted..

Rubbing strips by sandkb Lieutenant   Posted: 17 days ago
Rubbing strips are ready for filling, sanding and priming.

Big Blue by sonar Lieutenant   Posted: 18 days ago
The superstructure or most of it has now been painted in primer. Now I can see what needs more sanding and filling. It could be a few days before it is dry enough to do more to as this was household paint from the local tip 50 pence for a near on full tin. The large cut out in the sides of the superstructure is to house a life boat station on either side. They have just been Finished to the best of my ability. And need to be fixed into position when the top has been completed. So I am thinking it will be time to do a little more on another model I have started..

First post... by Midlife306 Chief Petty Officer   Posted: 20 days ago
Hi Dave, The 1/12 Bluebird is brushless (all running gear from PMB), as it's made from balsa, I've waterproofed everything with sanding sealer inside & out. To be honest I was planning on taking it to quiet stretches of the Leeds/Liverpool canal as I didn't think any scale model boat clubs would want anything to do with my boat, but I will have a look at what clubs there are locally. The 1/4.2 will be IC powered, I want it to reach a scale speed of 300mph so if I can hit 75mph in the real world with it I'll be very happy. I hope if I can keep it light enough a couple of Tiger King S27 Evo's will get me there. I've emailed PMB as they don't have any stock at the moment, to see when they are due some in, but I've not received a reply yet. Plan is to buy 1 engine initially so I can plan the layout & while I'm carrying on with the build I was going to drop it into this eBay hull to see how it performs. I have a couple of Enya 40ss motors, I'm going to try one in the Short Stuff & see how it goes. I can't cope sitting at home watching the telly, I like to keep busy😎 Cheers Wayne

Big Blue by sonar Lieutenant   Posted: 21 days ago
It is worth a good go and see how it looks. When all is constructed I will be doing a lot of filling and sanding. In the mean while I have been making a crane and a few other bits Oh and some containers as well I will post some images when I can.

Big Blue by sonar Lieutenant   Posted: 24 days ago
quite a few years ago I was asked if I could make a model boat hull for a friends son. As then a laminator it was an easy job after making the plug to the approx specs asked for. I made the plug and mould then cast a test moulding asked if i could keep the test mould and was told by all means have one. The mould was handed over when completed and payment ect was made. The test moulding i just stuck in the loft Not knowing I would ever start modeling boats so much later in life. So Now I am into the model boats hobby. Here is the hull with twin outlets for the propshaft. And progress so far with the superstructure. Approx 51 inches long 17 inches wide and a depth of 11 inches. As I was paid to do the job nothing in the end belonged to me except the hull I was told I could have. In writing I may add.. Made a flat sheet of laminate and enclosed the whole hull on the top. Cut out an area for the superstructure and as you can see I have started a rough looking superstructure. I have no plans or drawings for this so it will go where ever it ends up I guess.. Apart from the hull I plan on using ALL recycled materials from our local tip. Paint .Plastic and everything else... The big idea apart from saving material from the tip is to make the model at the lowest possible cost. Motors and some other electrical parts will be removed and put into this model from the Ayton cross So all the parts will be transferable from model to model. Well thats the plan anyway. Guess I will have to wait and see how that goes later. Prop shafts props and rudders will be new so NOT replaceable. The timber so far a lump of 4x2 from the tip Free all cut down and sanded. The superstructure I have used a large fliptop plastic white bin from the tip again £1.00 Superglue bought from the local £1. shop. Filler and sanding paper I already have. So I have started it. I will update as I go along..

More work on hull exterior. by sandkb Lieutenant   Posted: 25 days ago
Final sanding completed of hull. Primer coats and undercoat applied. Ready now for fitting of Rubbing Strips and Fender Strips.

Preping hull. by sandkb Lieutenant   Posted: 25 days ago
Sanding, filling, sanding, filling, sanding, filling.

Planking the hull. by sandkb Lieutenant   Posted: 28 days ago
Timber hull construction finished. Now the sanding and filling of imperfections to prepare for the next stage which will be the application of a fibreglass cloth skin to waterproof the hull and obtain a steel-plated like finish.

cabin cruiser by Dave M Fleet Admiral!   Posted: 29 days ago
Hi aeromodeller Welcome to the site. Sounds like a good project. Delaminated wood is not good so I hope your glue and clamps will fix the problem. Is the hull painted? It is usually best to strip back to the wood and cover with cloth and resin all over plus more resin on the inside to keep the water away from the wood. With your timescale this may not be an option, but you could possibly tissue cover the hull with sanding sealer/dope then repaint. Even a coat of dope on the inside will help. You will need a brushless ESC with reverse. If the propshaft is damaged or you can feel play in the bearings it may need replacing or new bearings fitted to the proptube. The rudder will need a servo and you should be good to go. Not sure of the price of crystals but you can buy 2.4Ghz cheap combo set for about £20 and even the short range will not be a problem for a model boat. A pic will allow more specific support for the model Dave

Wheelhouse roof detail....and a paint problem ! by robbob Fleet Admiral!   Posted: 1 month ago
Hi Javro. I tend to use light coats when painting but rattle cans dispense a volume of paint quite rapidly unlike an airbrush that is far more controllable. The paint system on the roofs is three coats of sanding sealer, one coat of grey primer, one initial coat of white primer and a further one over the additional details, and then two coats of gloss. At all stages the coats are flatted with wet & dry and there's usually at least a couple of days between coats and any solvent completely flashed off. The Halfords white primer was definitely the cause as it was dispensing more solvent than pigment and that, I believe, is what caused the underlying layers to split. Perhaps I'll look to getting a decent airbrush before I tackle another project. All part of the learning curve as they say !

Planking the Hull by sandkb Lieutenant   Posted: 1 month ago
Various wood used ie, Ramin, Mahogani, Annegre, Veneer ply, Balsa. Strip planking is Obechi. Glues used: Cyno, Aliphatic wood glue where sanding required and where strength and waterproof glue is required I've used EpiGlue two pot Marine glue. The planking is used because of the many difficult shapes and curves of the hull construction. Once the sanding and shaping of the hull is completed the hull will be sheathed with a fibreglass cloth skin and resin then sanded smooth and spray painted replicating the steel hull of this vessel. Cheers, Kevin