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💬 Re: Aerokits Sea Commander. Strange Handling ?
6 hours ago by 🇬🇧 ChrisF (
Rear Admiral)
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Better remove that wedge! And try it on the other side?
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hermank
Madwelshman
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💬 Re: Classic Model Power Boats
1 day ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 23 Views · 1 Like
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Never heard of some of those old makes. Few more for Will to collect there! 😂
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Madwelshman
💬 Re: Classic Model Power Boats
1 day ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 23 Views · 4 Likes
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Oxford-Dave. I don't see what the problem is, plenty of room around the house! 😂 I keep telling my wife to view them as object d'art or it is only temporary! Worked so far! 😀
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📝 Sprite
1 day ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 9 Views · 1 Like
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I'm going to stop coming on forums! 🤔 I keep, getting distracted (in a good way 😀) from my primary aim of finishing my Fairey builds, which have also increased in number to the current 7!
I want to make a start on my water-jet project and then the Sprite Plus but I think they will be a few weeks away yet? I'm on the verge of ordering the outboard motor though.
I want to make a start on my water-jet project and then the Sprite Plus but I think they will be a few weeks away yet? I'm on the verge of ordering the outboard motor though.
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Madwelshman
📝 Sprite
2 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 17 Views · 2 Likes
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Yes, that's the one Bob. I've used Noahs Ark for my waterjet and they were very good to deal with.
Unfortunately there's not much available out there now.
Unfortunately there's not much available out there now.
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hermank
📝 Sprite
3 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 20 Views · 3 Likes
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Like this? 😀
Advantage of using the Sprite Plus is that I've already got the drawings for the original version. I shall have to stick with the 30" length now to suit the size of the outboard but that's fine. I'd already started modifying them to suit the building off a flat deck method and am working on modifying the stern for the outboard now along with some other tweaks.
Advantage of using the Sprite Plus is that I've already got the drawings for the original version. I shall have to stick with the 30" length now to suit the size of the outboard but that's fine. I'd already started modifying them to suit the building off a flat deck method and am working on modifying the stern for the outboard now along with some other tweaks.
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📝 Surpass ESC Problem?
3 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 24 Views · 1 Like
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Hi Bob
Yes, the ESCs do have a safety cut-out and as you say the voltage per cell, around 3.0 to 3.4v for lipos, but you have to program in the number of cells, 3S or 4S etc. to set the cut-off at 9v, 12v etc.
Having said that, given how flat your battery went I'm surprised that it didn’t cut-off anyway unless there is a setting for no cut-off?
As for program cards I had to buy one for the first Huntress I bought as it had a Hawk ESC but after that I've standardised on the HobbyWing Quicrun and Seaking ESCs and so only need the one card for those.
There are the odd brands of ESC that will work with the same card but they are few and far between.
Yes, the ESCs do have a safety cut-out and as you say the voltage per cell, around 3.0 to 3.4v for lipos, but you have to program in the number of cells, 3S or 4S etc. to set the cut-off at 9v, 12v etc.
Having said that, given how flat your battery went I'm surprised that it didn’t cut-off anyway unless there is a setting for no cut-off?
As for program cards I had to buy one for the first Huntress I bought as it had a Hawk ESC but after that I've standardised on the HobbyWing Quicrun and Seaking ESCs and so only need the one card for those.
There are the odd brands of ESC that will work with the same card but they are few and far between.
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thadlietz
📝 Sprite
4 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 24 Views · 1 Like
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I know what you're saying Bob but part of the attraction of builds for me is doing something different (for me that is), doing the drawings and seeing how it works out.
After building something with a stern-drive and having the water-jet project on the cards, something with an outboard has always been something I wanted to do. Nearly did it with the Faun but was unsure about the little outboards I have and I fancied doing an inboard conversion as per some of the full-sized craft.
But with a bigger outboard no problem, though it needs a "faster" hull and after watching your Remora video thought it would be the ideal candidate. I did think about using the Sprite Plus initially but then thought of the Remora, which as well having a good performing hull has more flowing superstructure which I think goes better with an outboard. I might turn it into more of a speedboat look?
Despite doing other things and doing a bit more on the Faun I have spent the odd hour on Sprite B Plus and will have a play with the Remora drawing. Obviously nothing is set in stone and I have an open mind at the moment - but an outboard project is calling me more and more! 😀
But I really shouldn't even be thinking about new projects! 🤔
After building something with a stern-drive and having the water-jet project on the cards, something with an outboard has always been something I wanted to do. Nearly did it with the Faun but was unsure about the little outboards I have and I fancied doing an inboard conversion as per some of the full-sized craft.
But with a bigger outboard no problem, though it needs a "faster" hull and after watching your Remora video thought it would be the ideal candidate. I did think about using the Sprite Plus initially but then thought of the Remora, which as well having a good performing hull has more flowing superstructure which I think goes better with an outboard. I might turn it into more of a speedboat look?
Despite doing other things and doing a bit more on the Faun I have spent the odd hour on Sprite B Plus and will have a play with the Remora drawing. Obviously nothing is set in stone and I have an open mind at the moment - but an outboard project is calling me more and more! 😀
But I really shouldn't even be thinking about new projects! 🤔
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Madwelshman
📝 Surpass ESC Problem?
4 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 51 Views · 4 Likes
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You can get a program card for that ESC which allows you to easily set the low-voltage cut-off and reverse!
What's the new ESC because unless you set the cut-off on that you will have the same problem!
What's the new ESC because unless you set the cut-off on that you will have the same problem!
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thadlietz
RogerA1
hermank
RNinMunich
📝 Animal and nature photos to enjoy.
4 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 20 Views · 7 Likes
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Looks like you had some nice weather as well. The scenery is certainly beautiful. We did the train journey at Flam. The waterfall maybe doesn't look that big until you look for the small red object about half up, which becomes clear in the next photo!
Wolle - it was the Spirit of Adventure.
Wolle - it was the Spirit of Adventure.
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Madwelshman
EdW
peterd
hermank
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Wolle
📝 Animal and nature photos to enjoy.
4 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 19 Views · 5 Likes
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Thanks Will. It was our first cruise as well to celebrate my wife's big birthday. We were really lucky and it only rained on the last day when we were in Bergan.
May well do another in a couple of year's time around the Med.
Chris
May well do another in a couple of year's time around the Med.
Chris
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💬 Re: Unknown power type boat
5 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 47 Views · 1 Like
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Didn't realise you'd started two threads asking the same thing! 🤔
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hermank
💬 Re: Unknown power type boat
5 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 51 Views · 1 Like
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With those dimensions it makes me wonder if someone has taken something like a warship type hull and fitted a freelance superstructure?
Guessing it will be difficult to turn and rather unstable and flop into turns?
Guessing it will be difficult to turn and rather unstable and flop into turns?
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hermank
📝 Sprite
5 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 28 Views · 3 Likes
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Quick cut and paste showing a TFL outboard. I'm using their water-jet in my project of that name.
It's a big motor at 173 mm high and 1/8 scale but it's bevel drive. Remora would need to stick at a minimum of 30" to suit the motor which I think it just about gets away with.
It's fitted with a 3660 brushless so will have good performance! 😀
It's a big motor at 173 mm high and 1/8 scale but it's bevel drive. Remora would need to stick at a minimum of 30" to suit the motor which I think it just about gets away with.
It's fitted with a 3660 brushless so will have good performance! 😀
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📝 Midland Model Engineers Exhibition
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 42 Views · 1 Like
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Thanks for the reminder Ed, I forgot about it last year and missed it!
Chris
Chris
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hermank
📝 Sprite
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 32 Views · 1 Like
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I was intrigued by you saying that Remora is wider than the Sprite Plus as that looks wide and indeed the Remora is wider, blimey.
As I mentioned on your other thread though (unless I do a quick and simple build first) the main interest for me is the hull design and my intention would be to fit it with an outboard - you know I can't help myself! 😀
As I mentioned on your other thread though (unless I do a quick and simple build first) the main interest for me is the hull design and my intention would be to fit it with an outboard - you know I can't help myself! 😀
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Madwelshman
📝 Animal and nature photos to enjoy.
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 21 Views · 10 Likes
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Few from our recent trip to the Norwegian fiords, including a few water craft!
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💬 Re: Aerokits Sea Commander. Strange Handling ?
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 36 Views · 5 Likes
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As I said, I do wonder if the problem is due to a combination of things? Maybe it is due to torque which then causes the spray rails/strakes to catch/act as a barrier when turning right?
You are right Chum, they don't need to be taken that far forwards for lift but they often are - many of my Fairey builds are like that and based on the full-sized craft - see my Swordsman. But they are not as substantial, relatively speaking as on Bob's Sea Commander.
When undertaking lake trials with my Huntsman 28, it did dig in on one occasion when turning, which I did wonder if was due to the spray rails/strakes. It was my first build and I followed the layout shown in a drawing which I wished I hadn't now. Reason being they turn outwards slightly as they approach the chine rail which looks a little bit weird - on my Huntress, which has the same bow, I've run them straight.
With the Huntress it wasn't torque that caused the problem though, having a deep vee hull it leans inwards on turns and I think when leaned over on a tight turn a wave caught the strakes? I need to do some more work on the superstructure which will add some weight rearwards and I'll try it again.
As with Bob's model the chine rail doesn't turn up much at the bow either (unlike on the Rapier), which might be part of the problem as water can get above it.
It's certainly prompting some discussion though and keeping our brain cells active! 😀
Bob, I'd still like to see if an opposite hand prop (if you can get a plastic one) transfers the problem to turning left! Maybe some subtle difference somewhere means it doesn't!
You are right Chum, they don't need to be taken that far forwards for lift but they often are - many of my Fairey builds are like that and based on the full-sized craft - see my Swordsman. But they are not as substantial, relatively speaking as on Bob's Sea Commander.
When undertaking lake trials with my Huntsman 28, it did dig in on one occasion when turning, which I did wonder if was due to the spray rails/strakes. It was my first build and I followed the layout shown in a drawing which I wished I hadn't now. Reason being they turn outwards slightly as they approach the chine rail which looks a little bit weird - on my Huntress, which has the same bow, I've run them straight.
With the Huntress it wasn't torque that caused the problem though, having a deep vee hull it leans inwards on turns and I think when leaned over on a tight turn a wave caught the strakes? I need to do some more work on the superstructure which will add some weight rearwards and I'll try it again.
As with Bob's model the chine rail doesn't turn up much at the bow either (unlike on the Rapier), which might be part of the problem as water can get above it.
It's certainly prompting some discussion though and keeping our brain cells active! 😀
Bob, I'd still like to see if an opposite hand prop (if you can get a plastic one) transfers the problem to turning left! Maybe some subtle difference somewhere means it doesn't!
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Madwelshman
hermank
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📝 Sprite
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 27 Views · 2 Likes
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I'll have to whisper this! But I've been looking at the Remora plans! Only looking of course! 😁
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Madwelshman
zooma
📝 Sprite
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 27 Views · 1 Like
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Thanks Will. Yes, it is a pretty simple and basic build. I might plank the deck but that will be done in straight planks, unlike with the Faireys, which was fiddly and time consuming. Actually, thinking about it I've got some laser etched ply decking which will be ideal and quick.
Other than that it's best to keep detailing to a minimum which is where the time goes.
Other than that it's best to keep detailing to a minimum which is where the time goes.
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Madwelshman
📝 Sprite
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 24 Views · 1 Like
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Yes, I was thinking it would be going back to a similar size to the original Sprite but even making it a few inches bigger will make a difference.
My work won't be wasted as my Sprite B Plus 😁 will incorporate the changes such as the cockpit and I may still adopt the fixed superstructure!
My work won't be wasted as my Sprite B Plus 😁 will incorporate the changes such as the cockpit and I may still adopt the fixed superstructure!
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📝 Sprite
6 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 21 Views · 1 Like
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All printed out now and taping the larger pieces together.
As our lake is quite small I'm going to build a smaller version, around 25/26" and make the construction simpler by building off a flat deck. I can always form some camber to the deck afterwards with timber strips or balsa. And it will have a removable superstructure.
As I'm typing I'm even thinking of an outboard version 😁 as that's something I want to do along with the water-jet project. But that's moving away from the simplicity and quick build so maybe not, we shall see. 🤔
I think the Remora hull might make a better candidate anyway! 😁
Anyway, that's enough drawing for now as I need to progress my builds. I'm also doing a drawing of a full-size aircraft for a friend who's writing a book so I've got that to do as well.
As our lake is quite small I'm going to build a smaller version, around 25/26" and make the construction simpler by building off a flat deck. I can always form some camber to the deck afterwards with timber strips or balsa. And it will have a removable superstructure.
As I'm typing I'm even thinking of an outboard version 😁 as that's something I want to do along with the water-jet project. But that's moving away from the simplicity and quick build so maybe not, we shall see. 🤔
I think the Remora hull might make a better candidate anyway! 😁
Anyway, that's enough drawing for now as I need to progress my builds. I'm also doing a drawing of a full-size aircraft for a friend who's writing a book so I've got that to do as well.
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Madwelshman
💬 Re: Classic Model Power Boats
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 44 Views · 0 Likes
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Bob, needs to be fairly closed grained and not too hard so lime/bass as we use on our chine rails would certainly fit the bill. Don't know about ash but worth a try.
I use mainly mahogany (not listed on that site) for rubbing strips etc. but it can be a bit fragile sometimes and break.
I use mainly mahogany (not listed on that site) for rubbing strips etc. but it can be a bit fragile sometimes and break.
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💬 Re: Classic Model Power Boats
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 44 Views · 1 Like
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Hi Doug
I was just about to get all heated at your mention of triangular but I see it's balsa and bigger sections than we use for strakes, phew! 😀 We can get that for model aircraft use.
I was just about to get all heated at your mention of triangular but I see it's balsa and bigger sections than we use for strakes, phew! 😀 We can get that for model aircraft use.
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Madwelshman
💬 Re: Aerokits Sea Commander. Strange Handling ?
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 45 Views · 2 Likes
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I was looking at some YouTube videos recently and it was interesting that the Sea Commanders were either turning flat or slightly outwards (which I still find strange in boats like this) whereas the bigger Sea Queens lean inwards.
Before doing anything more drastic you really do need to try a three blade prop to see if the alleged lower torque inducement of these does make a difference. So at least that cheap potential fix can be eliminated.
With the weights in have you checked to see what the point of balance is?
It could be of course that more than one thing is contributing to the problem which makes it very difficult to rectify! But like the others I'm leaning towards it being mainly due to torque and prop walk/lift which is causing the stern to move sideways and upwards as power is applied. In a model that leans inwards when turning this wouldn't be such an issue. Maybe the relatively flat bottom at the stern could also be part of the problem?
Looking at your video of Remora, like your Rapier, that does perform rather nicely. And like the Rapier I do like the design of the hull! 🤔 😀 🙈🙉🙊
Before doing anything more drastic you really do need to try a three blade prop to see if the alleged lower torque inducement of these does make a difference. So at least that cheap potential fix can be eliminated.
With the weights in have you checked to see what the point of balance is?
It could be of course that more than one thing is contributing to the problem which makes it very difficult to rectify! But like the others I'm leaning towards it being mainly due to torque and prop walk/lift which is causing the stern to move sideways and upwards as power is applied. In a model that leans inwards when turning this wouldn't be such an issue. Maybe the relatively flat bottom at the stern could also be part of the problem?
Looking at your video of Remora, like your Rapier, that does perform rather nicely. And like the Rapier I do like the design of the hull! 🤔 😀 🙈🙉🙊
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Chum444
📝 Sprite
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 19 Views · 1 Like
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I accidently ended up printing the keel the opposite way to what I intended so that only leaves the cabin/cockpit sides so I may as well print both hands of them as well now!
It's looking a big model at 30" but obviously much smaller than some of your others like Rapier. Mind you I thought that when I printed out my Swordsman drawings but once built it looks smaller! 😀
It's looking a big model at 30" but obviously much smaller than some of your others like Rapier. Mind you I thought that when I printed out my Swordsman drawings but once built it looks smaller! 😀
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Madwelshman
📝 Sprite
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 22 Views · 2 Likes
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Hi Bob
Just printing the parts off and you should get them during the week.
Are you happy to have the symmetrical parts like the cabin/cockpit sides as one rather than mirror images? No problem for a big printer but with A3 I'm having to print the bigger parts and views over multiple sheets and tape them together.
Frames printed off first to see how they look.
Just printing the parts off and you should get them during the week.
Are you happy to have the symmetrical parts like the cabin/cockpit sides as one rather than mirror images? No problem for a big printer but with A3 I'm having to print the bigger parts and views over multiple sheets and tape them together.
Frames printed off first to see how they look.
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Madwelshman
zooma
💬 Re: Classic Model Power Boats
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 45 Views · 2 Likes
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With mention earlier of rudders being offset on faster electric boats I've just noticed on Scott Free that the prop, rudder and water intake are all inline! Can be got away with on larger models I guess. But it does make you wonder if off-setting the rudder does make any difference?
My much smaller Lite Warrior has the off-set rudder.
My much smaller Lite Warrior has the off-set rudder.
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hermank
💬 Re: Classic Model Power Boats
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 45 Views · 1 Like
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A quick search on hardwood dowel threw up this company who do a selection and in long lengths, not in all diameters though depending on the type of timber. Other companies as well but this shows it is available.
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hermank
💬 Re: GLYNN GUEST KNOCKER WHITE TUG
7 days ago by 🇬🇧 ChrisF ( Rear Admiral)
Rear Admiral)✧ 68 Views · 3 Likes
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Similar concept to the Sprite Plus that Bob will be building and myself later on. Relatively quick and simple that can be built and on the water whilst finishing other builds off.
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Madwelshman
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