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>> Home > Tags > varnish

varnish
varnish
Just getting started by RNinMunich Fleet Admiral!   Posted: 1 day ago
Hi Ron, welcome to the world of model ship nuts! 😉 Have a look at this video showing the basic tool set for modelling to get you started. https://www.peco-uk.com/page.asp?id=Video006 or here http://www.scalemodelguide.com/construction/tools/tools-star... Various saws and chisels will also be needed for the woodwork! A mini plane and electric sander also save a lot of elbow grease. A good selection of abrasives, from 80 to 600 grit will also be needed to finish the wood surfaces for painting / varnishing. We'll get on to surface coatings later when you've got something to coat! Good luck, look forward to your build blog. What ship are you tackling? Cheers Doug😎

Graupner Elke HF 408 by RNinMunich Fleet Admiral!   Posted: 3 days ago
BTW Allen, Dave's comments re 'old motors' go in the right direction but the basic thought and measurement technique are not quite right. There should never be ANY ohm meter reading between armature coils (i.e. motor supply connections) and case! Do by all means try this, but anything less than infinity, '---' on most digital meters, means a scrap motor😡 This test really requires an insulation test using what is commonly called a Mega meter. This has a crank generator which puts high voltage (ca 1000V+😲) across the unit under test. It measures the insulation resistance in millions of Ohms, hence the name Mega! For us modellers not a particularly useful or practical test! The most common form of deterioration in old motors is cracking and flaking of the insulating varnish of the armature windings. This does not normally cause shorts or spurious measurable resistance to the case but causes internal shorts in the windings thus reducing their resistance and therefore increasing the current they draw for a given voltage applied, as Dave indicated. There are two ways you can check this, if you have a decent Ohm meter, one less, one more accurate. The less accurate is done externally by measuring across the normal motor connections and thus include the resistance of the brushes and connections. Connect the meter where you normally connect the output from the ESC. Slowly rotate the motor so you can feel the slight 'click' as the motor moves from one winding to the next (or one magnetic pole to the next if you like😉) You should see a few Ohms resistance at each pole. Value depending on the quality of the carbon brushes. Better quality brushes (more copper content) = lower resistance. Note and compare each 'pole' reading. If one 'pole' reading is significantly lower than the others then that winding has an internal short😡 The motor may overheat in that winding, depending on how many wires are affected, and fail eventually. The more accurate method is to dismantle the motor and measure the winding resistances directly at the commutator, i.e. without the brushes in circuit. But this is only useful for nuts like me 😁 as in my 50 year old Taycol Target renovation. I was lucky no shorts and all windings same resistance + or - a gnat's whatsit!😊 Sooooo, to cut a long story sideways😉I think it's very unlikely your motor has any internal problems. I recently found one of the ancient Mabuchis I originally fitted in my HMS Hotspur destroyer 51 years ago, it still clattered along, bearings shot but electrically still OK 😊 Just take what you've got now down to the lake and give her a Go. If she looks right then she most probably is! As my German colleagues would say "Always a hand's width of water under your keel". Cheers Doug 😎 PS: "But trust me on the sunscreen" 😁

Albion et al by Baggie Admiral   Posted: 4 days ago
Workshop finished - lightly varnished. Very pleased. Started on Billings Barge. The Vietnamese Junk was purchased in Vietnam and built by my friend Gascoigne... he added the Panda!

Albion et al by Baggie Admiral   Posted: 11 days ago
Nearly completed Mini workstation - pleased with my first ‘build’. Any thoughts ‘To varnish or not to varnish’?

Riva boat launch by Alan999 Lieutenant   Posted: 11 days ago
Riva was finally launched in the Torrevieja boat clubs water last Sunday after eleven months work. Fifteen coats of yacht varnish and final Polish of Turtle wax she went like a dream.Plans came from America and the plywood from local woodyard.Graupner 37 motor pushed 31 inches smoothly. Dumas supplied the chrome fittings

Riva scratch built boat update by Alan999 Lieutenant   Posted: 27 days ago
Security at stansted refused to let me bring varnish on plane. Lucky I phoned them before going to airport

Riva scratch built boat update by Alan999 Lieutenant   Posted: 1 month ago
Got some Tompkins varnish at model show Alexander Palace this Saturday and will put a coat on the Riva this week

Riva scratch built boat update by Alan999 Lieutenant   Posted: 1 month ago
Riva Chris Craft finally finished after numerous coats of varnish and sanding.Beauty to work on especially as it was plans from Canada for 18 pounds and scrap two and three ply wood. Dumas supplied chrome accessories which gives that special look and were very helpful

Riva Chris Craft by Alan999 Lieutenant   Posted: 1 month ago
Finally the Riva completed. Numerous varnishing and rubbing down Dumas sent from America chrome fittings which gives really good finishing touch Built from plans and scrap plywood and veneer. So much more pleasure making than from kit. Will launch at Torrevieja boat club second Sunday of the month .

Riva scratch built boat update by Alan999 Lieutenant   Posted: 2 months ago
15 varnish coats

Riva scratch built boat update by Alan999 Lieutenant   Posted: 2 months ago
It's getting near to sailing day. 16 coats of boat varnish later my Riva Barrel back Chris Craft will see water soon.Newly arrived parts and decals from Dumas have arrived from Tucson Arizona.I did drive Doug at Dumas mad with questions on parts but he was very helpful. Had to figure out how to place the back top panel on and off in one go to get access to motor and battery.About two weeks more and I think it will be launch day.

Let’s have a Skiff Building Challenge by Ron Fleet Admiral!   Posted: 2 months ago
I varnished it first, but since it is an East Coast Canada style felt it should look the part.

Let’s have a Skiff Building Challenge by RNinMunich Fleet Admiral!   Posted: 2 months ago
Oh! I thought / hoped you 'wood' varnish it 😲

Serenity by Bryan-the-pirate Lieutenant   Posted: 3 months ago
[Score: 8/10] 30" Serenity Capable of 6mph and a runtime of 120mins Direct Drive to a Mother nature Controlled Through Futaba 27Mhz ESC - Comments: A wooden yacht that I am told is based on a fiesta (but presumably not the ford version) A fast and responsive sail and enjoyable. It had sticky back plastic deck accesses but I disliked them and made up balsa hatch covers instead, varnished in clear varnish they are more pleasing to my eye despite the lessening of water protection. can anyone recognise the design?

Hull numbers by Skydive130 Fleet Admiral!   Posted: 3 months ago
That’s it for today apart from a coat of varnish on the deck, vinyl numbers from eBay added.