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>> Home > Tags > anchor

anchor
anchorage
anchor
46Firefloat Mk2 paint by RNinMunich Fleet Admiral!   Posted: 11 days ago
Hi Astromorg, Hmm! Your assessment throws up some interesting questions! 1 If the 'teardrop' is a DF antenna what frequency band was it intended to detect? It's way too small to contain the multiple antenna elements necessary to detect, and determine the angle of incidence, of any frequency in common use at that time. I've also never seen a microwave waveguide that shape. If DF I would expect a rotating loop antenna in that era. 2 It's my conviction that the tear drop on the Vickers Wellington is a streamlined VHF antenna. Or just possibly a radar detector much later in the 'grand ruckus'. 3 Why would a Fireboat need a DF set anyway? 4 Some photos clearly show a forward facing lens (white disc) in the teardrop. 5 Such boats when tied up to a mooring buoy instead of the dock would require a 360° visible light. Hence mast-top is the favourite mounting place. 6 Visible angle is primarily a question of the lamp and lens construction and not necessarily the mounting position. 7 A stern light providing the 'fill in all round' is a contradiction of the purpose of running lights which are so constructed and mounted as to help the observer to determine which way the vessel is moving. Forward and aft lights visible 180°? red and green 90°. Which combination you can see helps indicate which way the vessel is moving; towards or away from you. Conversely the single anchor light should be visible from any angle. It can be yellow to distinguish it from a running light. Current regulations also recommend the use of deck lights while at anchor. 8 I agree re position halfway up the mast for the forward running light, BUT, as the masts on these vessels were often folded down the permanently fixed forward running light on the cabin roof would make sense. But then, that's only my opinion! And what do I know?😲 I only worked in communication engineering for 45 years, the last 32 of 'em in Integrated Naval Communication Systems, on all types of vessels from Fast Patrol Boats through FACs, OPVs, corvettes, frigates, conventional subs and up to Escort Aircraft Carrier. Cheers, Doug 😎

46Firefloat Mk2 paint by astromorg Seaman   Posted: 11 days ago
I would suggest that the light at the top of the mast, while appearing to show all round may actually be masked internally to give the necessary visible angle of 112.5 degs either side of dead ahead. The stern light in the transom will give the 135 deg angle to fill in all round. The teardrop-like unit on the for'd cabin roof looks more like the style of radio direction finder used by the RAF on their aircraft - the one on top of a Wellington bomber is particularly obvious. A useful fitting for an RAF crash boat? Positioned as it is it could not give the required 225 deg beam if it was a steaming light. Normal position for a steaming light would be halfway up the mast at about the yard position, but aside from a small unlabelled bracket on the original masthead drawing, I can find no evidence of a light ever being photo'd there. Combination masthead lights for steaming or anchor are common enough today. Perhaps that was how it was?

46Firefloat Mk2 paint by RNinMunich Fleet Admiral!   Posted: 12 days ago
The mast top light is most likely the Anchor Light and the one on the cabin roof a running light.😎 I figured Robbob would have the gen Gen 👍

LED Tug Mast Navigation Lights by figtree7nts Fleet Admiral!   Posted: 26 days ago
I stand corrected Rule 30! —INTERNATIONAL— Lights and Shapes Rule 30 Anchored Vessels and Vessels Aground (a) A vessel at anchor shall exhibit where it can best be seen: (i) in the fore part, an all-round white light or one ball; (ii) at or near the stern and at a lower level than the light prescribed in subparagraph (i), an all-round white light. (b) A vessel of less than 50 meters in length may exhibit an all-round white light where it can best be seen instead of the lights prescribed in paragraph (a) of this Rule. (c) A vessel at anchor may, and a vessel of 100 meters and more in length shall, also use the available working or equivalent lights to illuminate her decks

LED Tug Mast Navigation Lights by RNinMunich Fleet Admiral!   Posted: 26 days ago
That's the diagram I have been working to Pete, Was also surprised to hear red for the anchor light, but Ed has worked on tugs!? Your boat, your choice! Cheers and G'night All, Doug

LED Tug Mast Navigation Lights by figtree7nts Fleet Admiral!   Posted: 26 days ago
Hi Guy's, R2 should be RED not WHITE! Top most light on the Mast! Anchor lights are RED and their arc of view is 360 degree's!

LED Tug Mast Navigation Lights by RNinMunich Fleet Admiral!   Posted: 26 days ago
Hi Pete, Hope the eyeballs are better 👍 Think I've now got the ultimate configuration 😊 (or the possible, tentative, subject to committee approval and board resolution, potential penultimate configuration 😲) See attached pdf. All new stuff is in red. Thinking is as follows, according to the mast diagram you sent me- L3; NAV & Towing in parallel 2 ccts; one for the port & stbd in the cabin roof, one for the white rear NAV & Towing, yellow, on the mast pointing aft. L4; 2 white deck working lights plus new LED for the cabin light - white or yellow/amber. Your choice. I might be inclined to go for yellow as bridge lighting tends to be not too bright so it doesn't impair the night vision of the watch. Could be why it was a bulb in the first place - softer light ? R2; Anchor light at mast top only. Makes no sense to combine with running (NAV) lights etc. R3; The three new white running lights on the mast pointing forward. L2 and R4 remain as they are for searchlight and horn. Now working on the corresponding wiring sketch. More tomorrow. Cheers, Doug 😎

The Anchor. by robbob Fleet Admiral!   Posted: 1 month ago
Hi Molly. The planking is 7mm x 1.5mm Maple and the caulking is 0.7mm black plasticard. Have a look at the 'Planking' sections in this blog to see how it was done. Robbob.

The Anchor. by molly Seaman   Posted: 1 month ago
hi may i ask what size planking you used on the floors and how did you get the black effect between planks, many thanks colin👍

Happy Hunter by liamduck Sub-Lieutenant   Posted: 2 months ago
[Score: 8/10] 44"/7300g Happy Hunter Twin Propellors (4 Blade 50mm) Direct Drive to a MFA Torpedo 800 (4 Blade) Powered by Lead Acid (12v) 7Amp/h Batteries Controlled Through Action P94 ESC - Comments: Found this kit on a well-known auction site and bought it for £100. It is the original Robbe kit and fittings included. There was no command module and so I have devised a way of having working anchors, tow, crane and warning beacon, bow thruster, nav lights and searchlight. It was a bit of a struggle to balance her properly and she needs quite a lot of ballast. A real handful, you might say but she looks really well on the pond.

Fire Boat (crash tender) colours... by RNinMunich Fleet Admiral!   Posted: 2 months ago
Evenin' Martin, just a quick thought before I hit the hay! For the non slip deck paint why don't you cover the deck with a suitable wet and dry paper? 😉 With a bit of luck you might even find some wet n dry the right shade of grey!! Don't know the size / scale you are building but maybe around 120 / 240 would do! Cut to fit, glue it down with a spray glue, I found some in the 'Creative Corner' of a garden centre near me. Also a good source of fine gauge steel, brass, copper, gold and silver wire and nylon thread, and anchor chains😉😊 Then seal with a spray-on flat sealer or varnish, then spray a satin colour you want. Humbrol H129 might be a good substitute for 'Cerrux Deck Grey'. See Model Boat Mayhem for references to Cerrux Grey 😉 I agree the cabin sides are a much lighter shade of grey, almost white. Just ripped all the innards and deck fittings off my PTB. Just got the bare hull and shaft tubes left. Just havin' a wee dram then up the 'apples and pears to Bedfordshire' before I get tempted to sand and paint through the night. It happens sometimes 😲 G'night all, cheers Doug 😎 ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

Foredeck by Gdaynorm Captain   Posted: 2 months ago
Thanks. Had not forgotten the big capstan, and there may have been four 14lb guns but difficult to tell from photos. I can alter the base plates for the anchor winches easily enough.

LED Tug Mast Navigation Lights by pittsfieldpete Lieutenant   Posted: 2 months ago
Hi, Doug: You’ve been a busy man! I certainly appreciate your efforts & assistance. I haven’t removed the tug’s deck or the bottom cover of its pilot house to look at the circuit boards as yet but I’ll do it later on this morning. I’ve included a marked-up scan from the tug’s instruction booklet to show the transmitter’s current use of its function switches. I also suggested a way to add LED navigation lights to the mast (in two groups) & control them with two of the transmitter switches. Please let me know if the scan or my poor printing are unreadable & I’ll try again. The table below lists the factory-designed transmitter function switches & their original purpose. TABLE ONE - EXISTING CONFIGURATION Switch L2 - Controls (1) clear LED pilot house roof searchlight. Switch L3 - Controls (1) red LED port sidelight. Switch L4 - Controls (2) clear LED aft deck lights. Switch R2 - Controls (1) clear pilot house interior light*. Switch R3 - Controls (1) green LED starboard sidelight. Switch R4 - Controls the horn. *This appears to be an incandescent bulb. Table Two suggests a way of combining some of the existing functions with two groups of new mast LEDs, then using (2) of the existing transmitter switches to control them. For mast lights I’d like to add (1) yellow LED mast top anchor light, (3) clear LED forward-facing navigation lights (1) clear LED aft-facing navigation light & (1) clear LED aft-facing anchor light. TABLE TWO - MODIFIED CONFIGURATION Switch L2 - [No change] Switch L3 - Controls (1) red LED port sidelight, (1) green LED starboard sidelight, (1) aft-facing clear LED anchor light & (1) aft-facing clear LED navigation light. Switch L4 - [No change] Switch R2 - [No change] Switch R3 - Controls (1) yellow LED mast top light & (3) forward- facing clear LED navigation lights. Switch R4 - [No change] Even though an actual tugboat probably wouldn’t have all of her mast lights turned on together, I don’t mind if they’re all on at once on my tug. The modifications above result in having (4) LEDs controlled by Switch L3 & (4) LEDs controlled by Switch R3. If these changes are possible then adding the (6) new LEDs should be relatively easy, plus all lighting & the horn are still powered by the tug’s 7.2 volt battery. I plan to upgrade the battery to a much higher mAh rating to help offset the extra drain from the additional LEDs. Doug? If you’re still awake after reading this what are your thoughts? Is my plan feasible? Thanks again for your help. Pete

Foredeck by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Norm, not bad 👍 Coupla points: 1 Weren't the two capstans on the stb side mounted on the same base plate? See attached GA drawing. 2 And there seems to be a slightly larger general purpose capstan on the centre line slightly forward of the anchor winches, and a few other 'doodads' dotted about the foredeck. 3 The hawser pipes should be more elongated and angled towards the hull side. Neat work nevertheless😉 Cheers Doug 😎 PS: the bollards on the port side seem to be just forward of the anchor winch.

LED Tug Mast Navigation Lights by RNinMunich Fleet Admiral!   Posted: 3 months ago
Hi Pete, Okaaay! That complicates the issue a little. 'I think I better think it out again'! Now we have to decide which lights you want to switch together as some would not normally be on simultaneously; e.g. Anchor and running lights. Do you perchance have a layout drawing of the circuit board and the plugs and sockets? 'snipped' out of the instruction book perhaps. Or a good focussed photo might do. As I understand it you currently have the following switchable functions, correct? 1. red running light, 2. green running light, to be combined with the red, 3. white deck lights, How many individual LEDs? 4. white searchlight, 5. white interior lights, How many individual LEDs? Need to know the numbers of LEDs in 3 and 5 to estimate the current the switching circuits can handle!!! Maybe we could combine some others as well, e.g. deck lights and towing light or anchor light? Stern light with the red and green? Deck lights with the interior lights? Interior lights with the running lights? Let me know what you prefer, (I know... ALL singing, ALL dancing and beer from a tap on the side😁) cheers, Doug 😎