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>> Home > Members > pmdevlin
26th Apr 2008
Last Online
21st Oct 2017

Member Stats
Member No. 89
Registered 26th Apr 2008
Last Online 21st Oct 2017
City Wirral
Country United Kingdom
Boats in Harbour 4
Sailing Locations 1
Forum Posts 315
Photos Posted 298
Likes Received 105
Likes Given 1
499 Total Posts
Sailing Locations
St Helens Model Boat Club
Since: 18th Sep 2012
Aerokits Fireboat crashtender 46"
Type: Fire Boat
The Orca
Type: Working Vessel
Veron Huntsman 28
Type: Pleasure Craft
Fire Boat
Type: Fire Boat
Fleet Admiral!
Ranks Points
Fleet Admiral 1000
Admiral 800
Captain 600
Commander 400
Lieutenant 200
Sub-Lieutenant 100
Chief Petty Officer 50
Petty Officer 25
Seaman 10
Apprentice 2
Recruit 0
Top Ranking Member!
Activity Worth Awarded
Boats in Harbour 8 32
Forum Thread 5 170
Forum Post 2 630
Event 8 16
Photo Gallery 10 30
Photos Response 3 6
Video Post 15 45
Video Response 3 21
Build Blog 20 20
Blog Post 5 360
Blog Response 3 276
Sailor 8 8
Guestbook Post 8 0
Liked Posts 1 1
Received Likes 2 210
1825 Total Points
Good Conduct Medal
This member donated!
United Kingdom
Recent Posts
Display stand and transport case. by pmdevlin Fleet Admiral!   Posted: 1 month ago
don't know why I thought you where lake district? Yeah, I went to the first few, out Derby way, it was great fun, run by the God of Fireboats, Peter Dimberline, but then other boats crept in, and the theme was lost. This website was originally only for aerokits Fireboats, but had to grow to survive, as we are the few!

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
Hi Doug (time for bed now!) dont know to this day what it was, water was high, it was winter, its a big lake, no sign of something floating, but it was a right loud whack! It was in my home town of Liverpool, so maybe was a stolen car or shopping trolley dropped in the lake!😁 I was convinced it was a right off, luckily it survived! (you had a much better description of the skeg!)

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
Neil, the suggestions about prop support are all valid, just different takes on things. I would (if you intend to repaint the hull) sand off to key, or prime the old paint prior to installing the shaft, as it will be easier to repaint and prep. Question, sorry if I missed this, is that a new shaft with new bearings? If not get new from shg marine (they are at the Blackpool, show, and the midlands engineering show if you can get to either, I'm not sure where you are?) they are dirt cheap, called aceteal or something similar, they water lubricate, and cost about £2 each. Roll the inner shaft on a piece of glass or a mirror, this will tell you if its bent, any sign of this, get a new one, or you might have alignment and vibration issues. (glass is totally flat! there's a free tip to test you prop shafts ha ha !!👍) same can be bought from shg, and get stainless. Back to the support, the thing Dave mentions is a piece of wood that fits between the hull, and the shaft. The shaft is then epoxied to this, giving support, but it wont be true to original. You have the original support, so remodel this to fit your new angle. If you use any bolts etc to secure, use stainless so they don't rust. Once painted, it will be hidden, and its underneath anyway so cant be seen. It will need to be tight to the outershaft, once positioned, you could solder, as they are both brass, and either feed into the hull bend over and epoxy, or screw as per original. Here is my big fireboat, its twin, but the concept is the same, the support came into the hull, and on this example, I put a brass pin through, and epoxied it all

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
ha, got you! check this out Doug! Huntsman, single screw, with prop support, A simple brass strip, epoxied into the hull. Sailing around, Wham! something just under the water, fuzzy picture but the shaft bent (and its a 5mm stainless one) rudder as you see, without internal and external support, that hull would have cracked, boat could have sunk. I get what you say, but its at the build stage that you (builder) can decide what to do prior to painting etc. The twin screw pic was just for reference, I didn't have a pic of the same thing for single screw, but its each to their own, and we all have a different view on things, which is great👍

Display stand and transport case. by pmdevlin Fleet Admiral!   Posted: 1 month ago
I keep thinking about selling mine, its not getting used, but the amount of hours we put in, how do you put a price on that?

Display stand and transport case. by pmdevlin Fleet Admiral!   Posted: 1 month ago
I love boxes! Kind of "finishes things off", especially as I knock things about with my clumsy hands, 😁 Now stop chickening out, and get it dunked😜 Are you going to Blackpool? All being well I'm going, we can have a Fireboat special handshake club!😉

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
that angle is way better, give yourself a bit of room for a bigger prop, say your 40mm, just incase. For reference, here is my original set up with a brushed 700 motor, direct drive, it ran hot! then I used a gearbox, it ran cooller, but the boat was getting very heavy by now. Currently its a brushless direct drive, its been ignored for a few years now, I must get it out and use it again. Its an original Aerokits, built in 1963 by my Uncle as a straight runner ic, the ended up in my parents attic for 30 years

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
what a rip off that is, its just a simple strip of brass, make it yourself Neil, it will also give more satisfaction when you do it yourself, and save £9!! Not to compromise other opinions, but I think you need some sort of prop support, even single screw. If you are ham fisted like me, it can get knocked, dropped, or could hit something in the water. With no support, the "knock" can cause structural damage inside the hull, I'm always knocking my models with clumsy hands, so always "over engineer" things so they don't fall off! . Dave suggested a fillet under the prop, that would work, it doesn't have to be anything more complicated, however the real boat was this (pic) its got a support like the one you bought👍 so it depends how accurate you want to be

Display stand and transport case. by pmdevlin Fleet Admiral!   Posted: 1 month ago
Hey Rob, has it got wet yet? or have I missed the water trials?

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 1 month ago
Ill chip in! Pictures tell a story. Ok, a twin shaft, but the principle is the same. Imagine the angle of shaft you have, then propeller is pushing up, get it a shallow angle, and its now pushing forward. On the 34" fireboat, largest prop you will end up with is 50mm, so cut a dics 50mm, attach to your shaft, with a flat on it so it sits on the hull, viola, here is your prop angle👍 Prop support, use a strip of brass, heat it, and bend around same diameter rod (as your outer shaft, not on the shaft as the heat could damage the bearings), clamp together and either solder or use a small nut and bolt, fit through a slot in the hull, and then bend the side over, like wings, inside the hull, and epoxy. Paul Fit a water pick up, its easier at the build time, than regretting it later, you don't have to use it if its not necessary

new brighton model boat lake by pmdevlin Fleet Admiral!   Posted: 2 months ago
New Brighton (Wirral), Hoylake, West Kirby (Ashton Park) Gautby Road (Birkenhead) all on the Wirral Peninsula, and all within 30 mins of each other, are public lakes, anyone can sail on them, with the exception of ic and I believe only NB allows steam. Gautby road will allow ic, they have a club that races there on certain days. Out of courtesy, if the clubs are in attendance, its nuce to say hello. Ashton Park is an ornamental lake with wildlife, so sailing area is a bit restricted, and you can get a lot of public "tut tuts" if sailing in nesting season etc. This lake might have private permission, and tbh isn't worth the mither when the other lakes are so close. Gautby road is by far the best, however in an area that attracts a load of kids, and the odd "tinny" drinker. I go there with an eye to the surroundings, if you know what I mean, its got one way in, one way out, but is a fantastic lake with water that is right to the top. Hop through the Mersey tunnel, and you also have newshaw Park in Liverpool, 20 mins away, big lake with a club, and public. We are well served in this area👍 To give you an idea of the lakes My 4 ft Fireboat at Hoylake (that box has now been removed) My 4 ft Huntsman at Gautby Road (not great quality sorry)

smart phone problems by pmdevlin Fleet Admiral!   Posted: 2 months ago
done it, looks very different to being on my pc, I hate old age and being left behind with technology!🤔

smart phone problems by pmdevlin Fleet Admiral!   Posted: 2 months ago
didnt know there was an app!😋

Richards 48" Swordsman by pmdevlin Fleet Admiral!   Posted: 2 months ago
Hi Richard your motor has a big 8mm shaft, have you thought about how you are going to connect to your propshaft? It might be too late now, but the early ic shafts where a steep angle, and really a bit far forward under the hull. Imagine the propeller is pushing up, rather than forward. If not too late (its actually not as daunting as you might think) you could do with altering the angle, so the propeller is close to the hull. Work on the fact that 55mm "x" prop will be the biggest, you will end up with 50mm or 52.5mm 👍 I did a lot of testing with my 4 foot 28, hulls are the same almost, we just have to now consider your battery and the resulting amp draw as your esc and motor are rated at 60a

smart phone problems by pmdevlin Fleet Admiral!   Posted: 2 months ago
its galaxy s3, al other forums etc are fine, its just this one, that advert is a real nuisance😡

basic submarine commission build wanted by pmdevlin Fleet Admiral!   Posted: 2 months ago
I need a sub! tried it many times and failed. All I want is a dorsal fin, and tail fin to resemble a shark, and the top of the hull/body. Needs to be 18 inches or so. I want it to submerse to dorsal fin depth, forwards, left and right. I have am mmb subsonic hull, an auto leveller, the tx and rx, just cant sort it. (some pics attached) Anybody have something to sell, or want a commission build? Thanks Paul

battery charging by pmdevlin Fleet Admiral!   Posted: 2 months ago
Hi Roy, I like your want for the answers! I have an eagle tree, great bit of kit, but, you are relying on the given info regarding the battery to be correct. As an example, I have an internal resistance meter, I fly planes, so rely on accurate lipo battery info. The "c" rating, and milliamps on most chinese battery stuff is grossly over egged! as are esc ratings and so on. I wouldnt get too hooked on these stats. If the batt is losing a cell, throw it and get another, its not worth the hassle. Overlay that graph with volts, this should correspond to the amp spikes, and if you have a gps then also overlay speed, faster is more amps is quicker volts drop for enjoyment 😲 check out my amp draw on my Huntsman! Paul

smart phone problems by pmdevlin Fleet Admiral!   Posted: 2 months ago
Hi, I use a Samsung, and have been having problems viewing and posting with this phone for ages. Once on the website, a real annoying advert appears on the left, covering 2/3 of the screen, I cant get rid of it, and when trying to post, this screen as I type isn't visible, making the whole experience pretty awful. I know this is dumb user issues, But I cant fix it, can anyone help please!😭

Secure the hatches and raise the flags ! by pmdevlin Fleet Admiral!   Posted: 3 months ago
Rob, make sure you video the maiden! Also, I would recommend short runs, and keep an eye on esc/motor heat etc, but I'm sure you know all this! best of luck Paul

RAF fIRE TENDER MAST DETAILS ?? by pmdevlin Fleet Admiral!   Posted: 4 months ago
this is a copy of the a plan. I was told ages ago, by someone who knew a crewmember, the side legs of the mast where made from aeroplane propeller blades. Nice story, dont know how true it is, but they do very much resemble the same profile, so I like to believe it!😉

a very noisy fireboat by pmdevlin Fleet Admiral!   Posted: 4 months ago
Had another play out, and this time had the correct screwdriver to turn the sound down! It sounded much better, but I need to remount the transducers. The thickness of the ply (being very thin) has caused the "tinny" sound, the mounting point needs to be thicker, not too thick, or the volume will be lost, but thicker to increase the deeper tones, and sound more like a twin merlin, which it is. I also tried the mercruiser v8 sound, I like this one. Now the problem is, the TT25 transducers are epoxied on to the hull, do I risk getting them off to remount better!😲

The suction hoses – part 1. by pmdevlin Fleet Admiral!   Posted: 4 months ago
great idea with the masking tape Rob, they look very nice👍

a very noisy fireboat by pmdevlin Fleet Admiral!   Posted: 5 months ago
Hoylake is just close Dave, and you can park close, its usually quiet, so for testing etc its fine, just a bit small for the bigger scale boats. New Brighton is very busy on these light evenings, parking can be a problem in summer. My other local lake is gautby, a superb lake, big, easy access to all sides, but its not in the best of places. I could go over to Newsham in Liverpool, but you run the risk of kids again, and fishermen, hence Hoylake! and if the wind is down, I can fly on the beach! Paul

a very noisy fireboat by pmdevlin Fleet Admiral!   Posted: 5 months ago
Hi Doug, they are from mrrcsound, available on the website, they are called tt25 transducers. Having played with these at length with model planes, I now know the hull thickness isn't enough. The thicker the material, the deeper the sound, but you lose volume. Unfortunately once epoxied on, they don't come off, until the epoxy goes brittle, which does happen as the vibrations cause this. If I try to pull them off now, they will break. I have too much volume, and not enough depth. With a plane, due to distance away from operator, you need the volume, with the boat, they don't go anywhere near as far away from the operator, so I messed up here😭 Ill turn it down a lot, see how that works out

a very noisy fireboat by pmdevlin Fleet Admiral!   Posted: 5 months ago
its early on with this project, I was going to wait until its completed, but not sure when that will be, so Ill give you a sneak peak. I've been using a sound system in one of my model planes, and over time have become friendly with the guy who makes them, helping him with various things. I got thinking about the 4 foot fireboat I have, and how cool it would be to have a sound unit. So, to cut a long story short, I knew he had a plane sound with twin Merlin's for a bomber, and I use a merlin for my P51 Mustang model. After a serious amount of pestering, I got him to modify one of the 5 stock sounds on his Boat sound unit, using the twin Merlin sound from the planes. It took some work, getting rid of the propeller sound on the start up and shut down sequence. I ran it for the first time last night, but forgot to take spare batteries, and a small screwdriver to adjust the settings, so couldnt change the settings, in particular, the volume was set way too loud, losing some of the clarity of sound. This is pretty close to the real engines, which where v8 meteor, this sound is an actual recording of the v12 Merlin, its doubled up, and staggered, so you can hear the two engines running. It has start up and shut down sequence, it isn't clever enough to read reverse unfortunately. Its a speakerless system, using transducers instead of speakers, which are much louder, smaller and lighter. They rely on vibrations, they are epoxied to the hull, and the whole boat becomes the speaker! Its the first time I've done this, and its pretty new on the market for boats, planes have been going for a few years. I've realised that whilst I put them above the waterline, I didn't account for the roll of the hull, when one (there is one on either side) goes below the waterline it muffles the vibrations, and causes a funny sort of gurgling noise, ah well, like I say, its early days! Still a bit of tweaking to do, but you get the idea. Stock sounds are Turbo cat diesel, Johnson outboard, evenrude outboard, mercule v8, steam. They also have aux sounds, such as ships bell, steam whistle, horn, seagulls etc. I think on my system the Johnson is dropped in lieu of the twin merlin sound. Have a look at

ORCA by pmdevlin Fleet Admiral!   Posted: 5 months ago
Hi Dave, its Hoylake, Wirral, whilst filled with fresh water, on the odd high tide as its right on the beach (hence lifeboat station on the background) it does get salt water In it Jaws, well here is the thing, remember MMB subsonic submarine kits? I bought one, and never got it to work. I have a box of bits, jus wanted it to dive to dorsal fin depth, and surface, it would be a cool project. I nearly got there, but gave up If anybody want to do a commission build, let me know👍

ORCA by pmdevlin Fleet Admiral!   Posted: 5 months ago
had a play out, even in the dark, everyone knows what this boat is!

not quite a boat! by pmdevlin Fleet Admiral!   Posted: 5 months ago
ok, its not a boat, but does use the water😉 I didn't have the nerve to land on the sea, tide was going the wrong way in event of a "problem"!! something different to enjoy

3 Footer on a very rare outing by pmdevlin Fleet Admiral!   Posted: 5 months ago
Hey Doug, what does high length to beam mean? thanks Paul

3 Footer on a very rare outing by pmdevlin Fleet Admiral!   Posted: 5 months ago
"pmdevlin, it's difficult to build heavy if you follow the instructions" Yes it is, its also difficult when you didnt actually build the boat, it was originally built (as prev stated) circa 1962 by my uncle, with IC engine, and a straight running rudder, as he couldnt afford full rc gear back then. Im thinking Martin you have watched the video, and saw that the boats did plane, be it 30 knots or 300 knots, they planed, scale speed or not. I also own a four footer which handles beautifully, and is capable of well over scale speed, but speed is only relative to the position of the throttle stick, we all build to our own required specifications, and our own take on the original, with some modellers license😊 I would rather have power in reserve, than not enough power. The problem with my smaller 3 footer is at the time my lack of experience, resulting in a heavy boat, Now I own some fast scale boats, I dont need the performance from the 3 footer, so it can be rebuilt using a lighter motor, lighter power packs, and get rid of some of the unecessary weight to make it sit better in the water, and look better at slower speeds work in progress, as it hardly gets used, its not high on my to do list😡 thanks for the weight Dave, I remember that your 3 footer performs very nice, and is light. Ill weigh mine this week, its buried deep in the man shed, thanks also rob, but its the smaller 3 foot weight I was after👍 Paul