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>> Home > Tags > batteries

battery life
battery mount
battery pack
battery power
battery voltage
Fairmile D 1/24 Scale Build by reilly4 Fleet Admiral!   Posted: 2 hours ago
I am afraid that I disagree with the comments about Doug. They do not reflect Doug's comments or intentions. We are here to offer assistance to those that request it and others that may learn from the comments etc. Doug offers some of the best most practical advice from his experience. A Fairmile D had 4 engines and props. If you want to recreate it as a true scale model then that is the the aim. You are entitled to have one prop, one engine and one SLA battery in your boat. It may plane for approx 10 minutes before it slows and drops off the plane. I had such an arrangement a few decades ago in an old MTB, but have learned from it and moved on. I would not advise this arrangement with all the newer motors, battery types and ESCs available. My Fairmile D has 2 x Speed 700 motors and NiMH batteries. It runs on plane for an hour or more. My newer Vosper MTB and La Combattante III boats have 2 x brushless motors each and the same NiMH battery packs - my choice. Other people use LiPo batteries. We respect all modellers and their quest to build 'their' own models. Nothing wrong with having the best advice available, so modellers can make up their own minds.

Tin Can Madness by Joe727 Captain   Posted: 3 days ago
Hello, Could not resist starting an experiment with an all metal container. This is a small tomato sauce tin can out of the pantry. First time I tried soldering tin to brass and it is very easy, with flux, to do. Will run test on both smokers and publish photos. As noted, it is a good idea to add a fuse between the batteries and the powers switch as these heaters tend to draw 2 amps or more, be careful with wire gauge as well. Danger of fire.... Joe

Cracked Battery! by RNinMunich Fleet Admiral!   Posted: 6 days ago
I know what is was 😉 COMMS equipment; particularly for ship to shore radio! Obviously made a deeper impression than batteries 😁

Cracked Battery! by figtree7nts Fleet Admiral!   Posted: 7 days ago
Hi Doug, No, I mean $40.00 for all three Batteries! But, I'm still looking! I found one for $23.33. It's 6 volts at 8.5Ah and it weighs 3.1 Lbs. Which is just the right Ballast for Tug Brooklyn! Also ample power 1.5 hour run.....👍

Cracked Battery! by Joe727 Captain   Posted: 7 days ago
Did you see my note about the 2 pound batteries? At the local battery and light bulb shop they wanted about $24 for each. I got my TWO for $22 from Walmart. Pays to shop around.

Cracked Battery! by figtree7nts Fleet Admiral!   Posted: 7 days ago
Captain's Log: I hadn't inspected the new batteries. I received for Tug Brooklyn! But, on close inspection of the Batteries. One of them came with a crack!😱😤😡 So, got in contact with the company. I purchased the batteries from. And will be sending both. Batteries back for a refund! Luckily, I was looking around and have found. Lighter Batteries! Will be ordering those soon! At half the price of the ones I sent back!

Weight Too Much! by Joe727 Captain   Posted: 8 days ago
Ed, For my Spinger Tug, I was able to find 6 volt / 4.5 ah batteries that are only 2 pounds each. 1 7/8 x 2 3/4 x 3 7/8" .... I purchased two (2) for $22 USD, ordered thru Walmart and they arrived within a week. There are a lot of SLA's out there, takes some time to find the right ones. Good luck! Joe

Reassembly by Joe727 Captain   Posted: 8 days ago
Continuing on, I finished mounting the light bar, all lights are functioning. For some reason my iPad does not like LEDs and they don't photograph when lit. Made an exhaust stack out of brass tube, mitered the top, soldered and painted. Hull dry now so I mounted the superstructure onto the hatch, reinstalled the tow bits, switch and batteries, RX, motor, etc. Getting close to sea trials, maybe this week schedule permitting. Cheers, Joe

New Batteries! by figtree7nts Fleet Admiral!   Posted: 17 days ago
Captain's Log: Well, I order new batteries for the Tug Brooklyn. I placed the order about a week ago. I received them last night! Before I continue let me say this. I was using the Batteries from Tug Serenity AKA Jersey City! Those Batteries are 6 Volts at 2.5 Amps! For a total of two! I saw what I thought were the same battery. Only at 6 Volts at 8 Amps. For a total of 12 Volts at 8 Amps! Well the batteries are huge! I had to take all of the Forward ballast out of Tug Brooklyn! Even then she's a bit bow heavy. But, I really want the extra Power! Because Tug Brooklyn is a 12 Volt Tugboat! Take a look at the Batteries side by side. It's a good thing there's enough room in her forecastle! I'm putting the Batteries end to end and they fit! Oh, the Batteries weigh 6.5 LBS!😱

Electronics,wiring by Joe727 Captain   Posted: 18 days ago
My batteries arrived, could not find locally so ordered through Walmart online. Two - 6volt 4.5AH, wired in parallel to give me 6v @ 9AH. Used inline fuse, prior to switch, then on to the esc, a Dynamite Tazar 15 T marine type. On/off switch will operate from outside so hatch will not have to be removed. Had some real nightmares trying to program this esc! Setup lights would not come on, went through all procedures, slept on it tried ecpvery website, tried again today, nothing. I was about to look into a new purchase, THEN LIKE MAGIC.... I mistakenly switched it to my zBrooklyn Tug mod on th TX which uses the same esc, and it startled me with the motor running and rudder moving. Everything worked great. So I just copied all of the settings into this build on the TX. HAPPY NOW Photo shows the mass of wires that allows me to shift the batteries for final ballasting, they will be tucked away neatly as build is finalized. Regards, Joe

All hooked up, nowt happens... by canabus Fleet Admiral!   Posted: 24 days ago
Hi All If you require a brush ESC. The Hobbyking one is the only one I have found with straight forward/ reverse with NO BRAKE. Set is with links, but the they only work on Nicads and Lipo batteries. They will run on 12 volt SLA, but no less!!!! I am using them in my two Hellen fishing boats with 55 turn rock crawler motors on 2S Lipo on 60% throttle. Canabus

Crack in Seam Update! by RNinMunich Fleet Admiral!   Posted: 24 days ago
Star date 29.12.18 Supplemental 00.52 😁 I hope it works too Ed. 👍 Don't forget to seal any exposed wood before dunking it again. And I would recommend putting all the ballast and batteries back in (at least loosely) to recreate actual sailing conditions; i.e. water pressure on the potential leak area. I wondered why you went to such lengths anyway. Had similar problems with the restorations of my Sea Scout and fish cutter. I simply soaked the affected areas in resin, inside and out, while holding in clamps. Sand, fill (Bondo?😁), sand, paint and Bob's yer uncle and Fanny's yer Aunt 😁😁 Nevertheless; hope it works for you Ed, cheers, Doug 😎

Crack in Seam Update! by figtree7nts Fleet Admiral!   Posted: 24 days ago
Captain's Log: Supplemental Well, today was a good day to fix. The leak in Brooklyn's aft end! I scraped off the paint around the skeg area and boss! I then took a piece of 10mm x 110mm plastic. And glued it to the seam. Making sure to cover the area. That was cracked and leaking! I am then going to let the glue set over night. If all goes well, the leak should stop..... I will reassemble her aft end. And do a Domestic Test Tank Test! If the Test Succeeds. I will then repaint the aft end of the tug! And put all of her Ballast back and her batteries! Hope my repair works!!!

Deck, servo mount by Joe727 Captain   Posted: 26 days ago
Put together a pilot house based on some tugs I've seen. Just freelanced it as I went. I build a lot with styrene so I am used to just cutting and building. I use liquid styrene cement that fuses the materials together. See photo, will trim it out as I mount it, need to add some detail at roof and some Navigational lighting. Put on on 3mm plywood deck, same as hull bottom. The deck is also curved (proper term is SHEAR) and I started to build up some wood edge at the opening. Will sand everything well, then start sealing and priming all surfaces. Made a bracket for the rudder servo mount and an adjacent platform for the ESC and RX. Ordered two 6v 5ah SLA batteries. I will wire in parallel to stay with 6v and get 10ah. I like to stay with 6 volts as I want the motor to run slow like a tug should. Will wire in an in-line fuse. Haven't decided where I will put switch, up high somewhere to avoid water. I will show the wiring once I get to it. This build is going fast because it's a simple design, just what I was looking for. I work on it late afternoons and into the evening while I watch basketball games. About 4 hrs a day. Looking forward to building the hatch and getting some primer started tomorrow. Regards, Joe 👍

Hum, Now What! by figtree7nts Fleet Admiral!   Posted: 29 days ago
Hi Joe, Thanks for the Idea! I'm going to take the boat apart! I have to take her ballast out! Take her batteries out! I think she's leaking from where the prop shaft. comes out of the Boss! So, I'm going to make a flange. Which will be the same size as the Boss. And will cover the Boss! Hopefully this will fix the leak problem! Regards, Ed