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>> Home > Tags > nozzle

nozzle
kort nozzle
nozzle
Fairmount Alpine - TUG! by thepirate Sub-Lieutenant   Posted: 2 months ago
yes also building one A lot of work to complete yet. Fitted with 2x mfa 6/1 motors and bow thruster ,kort nozzle, becker rudders,all windows fitted with individual glazing a lot of time consuming, still a lot to do

The Lone Ranger Rides Again or Hull Finishing ;-)) by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Boatshed, the Germans have a saying / proverb "Übung macht den Meister"! = 'Practise makes the master' or Practise makes perfect! Basic reasons for runs are- 1) spraying too close and 2) moving the nozzle too slow, Both resulting in a heavy coat that can't support it's own weight! Also trying to put another coat on before the previous one is fully dry and hard. Like I said; Patience is the main secret ingredient 😉 Cheap cans spit, quality cans don't! The ones I use, esp. the K Series for cars, come with a selection of colour coded nozzles for Small areas cone, Medium to large cone and a large area fan shape. Mostly I use the medium nozzle. Small one if 'touch-ups' are needed 😲They nozzles also fit DIY shop cans 😊 Start spraying beyond the object and carry on at an even pace beyond the other end. Go back in a slightly overlapping stripe until there's an even THIN coat all over. Then - FIND SOMETHING ELSE TO DO FOR A HALF HOUR OR SO!! It's like the old lady in Brooklyn who asked a Cop 'How do I get to Carnegie Hall'? Cop's answer "Practise lady, practise" 😁 BTW: shaking a good bit longer and heating the can in hot water (to increase the pressure!) can sometimes help with the 'spitting'.👍

The Lone Ranger Rides Again or Hull Finishing ;-)) by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Boatshed, Know what you mean about brushing and brushes! You CAN achieve the same effect with brushes, but it takes much longer, with much more flattening in between coats. So much more 'secret ingredient is needed! Brushes from DIY shops, and most model shops, you can forget 🤔 too synthetic, too coarse and too prone to shedding hairs. 😡 For tiny detailing work, esp on Plastic Magic projects, I went to an art supplies store! Prompted by the GF who is into oil and water colour painting! There you will find a great selection of very fine real hair brushes in sizes from 'Help I can't see it'! to about 1" flat, used for applying 'washes' 😉 Not cheap, but quality never is! For example; I'm using a 1/4" flat camel hair brush for renovating the wood decks of my Graf Spee and HMS Belfast with sealer and satin varnish from the Lord nelson range. Will also apply some Jotica Oak stain to dampen the bright colour a bit. For the pinstripe / Boot Topping on the Sea Scout I'm 'Going for Gold', to be applied with the finest airbrush nozzle I have and using Tamiya masking tape to get a good clean edge. hardest part will be getting the tape on right 😲 Hope I don't mess up what I have already achieved! Cheers Doug 😎

The Lone Ranger Rides Again or Hull Finishing ;-)) by RNinMunich Fleet Admiral!   Posted: 2 months ago
Thanks Boatshed👍. Yep, after consultation here on the site I've decided to 'Go For Gold' pin-striping. Never attempted that before, hope I don't screw up the hull 😲 Sea Trials have been postponed due to snow and sub-zero temperatures again 😡 Soon as it warms up I'll be off with TX and cam! Oh yes, and perhaps the boat as well😁 PS: Have some gold enamel (14ml tin) so will fire up the compressor and use my smallest air brush nozzle ~0.03mm! Out of practise so will try on scrap wood / gloss photo paper first!!!! 😉 Many thanks to all for the very encouraging responses 😊😊 All the best, Doug 😎

Command Boat 90 by Colin H. Fleet Admiral!   Posted: 2 months ago
I tried one of these but couldn't get it to reverse the boat. Possibly not got the correct set up for the jet nozzle. It pushed a 30 inch fiber glass fast patrol boat very well, might try to sort outlet to give better control. You've raised my interest again thanks, Colin.

Hovercraft by Dave M Fleet Admiral!   Posted: 3 months ago
One of our members used a couple of old drone bits to make a twin prop version with steerable nozzles. Worked OK but very twitch as only a small craft like yours and the motors were powerful.

SS Helen Louise by dufmiester Apprentice   Posted: 4 months ago
[Score: 5/10] 54"/16100g SS Helen Louise Single Propellor (4 Blade 85mm) Direct Drive to a 19 mm Bore/Stroke x2 (4 Blade) Powered by Lead Acid (12v) 14Amp/h Batteries Controlled Through 11 Channel r/c ESC - Comments: She is about 80% complete. Expect launch May 2018 . Has automatic water feed make-up , Telemetry engine speed , steam temp , aux battery monitoring. Smoke generator added to steam pipe, sound module, single stick direction and throttle. Will be equipped with FPV front and rear. Kort Nozzle (fixed) and Becker Rudder. Steam pressure 60 PSI .

robbe neptun tug boat by figtree7nts Fleet Admiral!   Posted: 5 months ago
Hi Nutrunner, It's a great little tug, good response from the kort nozzle! I built one over 30 yrs ago! Good memories! I used a 7.2 volt NiCad back then. It ran for hours on one battery!

Al KHUBAR 2 by RNinMunich Fleet Admiral!   Posted: 5 months ago
Nice job👍👍 BTW: the nozzles are Korts! Kort Propulsion Co Ltd, The Boat House, 20 High Street, Erith, Kent DA8 1QY, United Kingdom http://www.kortpropulsion.com/products/kort- style='background-color:yellow;'>nozzles Merry Christmas, CU next year, Doug 😎

12v esc for trolling motor build by Dave M Fleet Admiral!   Posted: 5 months ago
Interesting project. Difficult to give advice on the info available. Looks like a steerable powered nozzle at the rear but what motor is it and what are the specs? An Esc does all the hard work and converts the rx pulses into usable power. I have arduinos and they can be programmed to control the power and rotation of a motor but would need additional high power Mosfets as well as other circuitry to buffer the unit from the output. If you are really into arduinos then a walk in the park but I believe an ESC would possibly be more robust and waterproof. It would be good if you were to post a build blog of your progress as the subject is certainly different to any models we have seen to-date. Good luck with the build

Fairplay V (Hegi) rebuild / refit by Radiosailor Sub-Lieutenant   Posted: 7 months ago
Today my Fleabay find arrived in a big box: O dear... ...Nothing wrong with the new hull, paperwork consists of some printed scans with the main drawing in just A3 format. That drawing doen't show any measurements, but partnumbers. The superstructure and wheelhouse are... well, they show 'some' patina. (cough) Since there are no other drawings of the used parts everything must be expanded to the correct size, and then made/build. Thinking about using thick foam sheet material for frames and ABS sheet for the deck, so I can speed up the process a bit. (not having to paint any wooden parts, and use epoxy for bonding) Thing is tough, I need to decide which engine, propellor, shortnozzle and battery combination will be good. (another tread over here) Let's hope that hull is as good as it looks once I'm trimming off the excessive material... it might have become brittle over the years. The plan is - as soon as the hull, deck & hardware are done - get her on the water with the old wheelhouse. Meanwhile I can build a new one using 0.2 and 0.5mm ABS sheet.

Propulsion Hegi Revell Fairplay V tug model by Dave M Fleet Admiral!   Posted: 7 months ago
Hi Radiosailor I was not familiar with the model so have just searched. The Tug forum http://modeltugforum.com/ has an article by a member who did some mods. If you register you can see the pics and ask for advice. Regarding fixed or steerable nozzles they both work better than a standard prop. For maximum effect the steerable works best and this will certainly be the case with a single prop. I have had both types on tugs but mine were twin screw and I could turn both on the spot with independent motor control. From the motors you have I suspect the Xdrive 555 may have the best torque which as Doug said is best for Tugs. There are several suppliers but without knowing any measurements it's difficult to point you to a specific site. It should make into a nice model and will certainly look the part on the water. If you look on Model Slipiway's web site http://www.modelslipway.com/ they have a kit Al Khubar and AZIZ which are twin Kort. There are links to build blogs for the AZIZ which may be useful. Model Boats and MMI also had featured articles on builds for Al Khubar.

Propulsion Hegi Revell Fairplay V tug model by RNinMunich Fleet Admiral!   Posted: 7 months ago
Hi, I can't profess to be a Tug expert but I believe the general rule is 'Low revs & Hi Torque'. I hope one of the tug fans here will pick up this thread. Also this forum might be useful to you; a discussion on kort nozzles & tugs 'Fixed or steerable'. https://www.rcgroups.com/forums/showthread.php?1536288-Steer... style='background-color:yellow;'>nozzle-vs-fixed-kort-and-rudder Good luck, let us know how it goes. Cheers Doug 😎

Propulsion Hegi Revell Fairplay V tug model by RNinMunich Fleet Admiral!   Posted: 7 months ago
Hi Radiosailor, have a look here http://www.mobilemarinemodels.com/kort- style='background-color:yellow;'>nozzles-69-c.asp might give you some inspiration. Cheers Doug 😎

Propulsion Hegi Revell Fairplay V tug model by Radiosailor Sub-Lieutenant   Posted: 8 months ago
I recently bought a on Ebay 'stranded' vintage harbourtug which will be fully rebuild. (I actually bought a NOS hull, and old - but good build - superstructure and all the deckgear & fittings. Except for some essential parts... There's no kortnozzle/rudder and propellor. I would like to know what size of nozzle and propdiameter I should mount. Originally it was designed with a steering nozzle/rudder, but the only item which comes close is the fixed nozzle as used on the Robbe Happy Hunter salvage tug model.(which has twin nozzles) That nozzle would be fixed with a seperate rudder for steering. What would you advise? What alternatives are available? (Making a proper nozzle myself which actually works and looks to scale is out of the question.) Attached three photos: one showing original (steering nozzle) and teh other with this Happy Hunter fixed nozzle, and te drawing showing the design.