Cabin cruiser project

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Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
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I have been boating for a while now, I have a shetland 535 and and a RIB. I've seen lots of youtube videos of people restoring boats and fancied having a go at it. Scanned gumtree and found this.



It was sanded ready for paint and then the guy found the transom had turned to compost so was looking rid. I got it for a song and brought it to my yard, got the engine off and assessed the wooden bits. The PTT unit was siezed and engine wouldnt start, there basically was no wood left anywhere so cleaning out the transom shouldn't be too hard! But maybe I'd bitten off too much.




Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
quotequote all
I cut the back down as it was a pain climbing over the high rear to get in and out, and sitting in the cockpit was claustrophobic so wanted to open this area up.



With a nice open cockpit area I decided I would flat deck it all, 2 sun loungers on the benches, a table in the centre and hidden hatches.








Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
quotequote all
This type of joinery I have plenty of experience with but the transom and stringers is entirely new territory for me.

I ordered up the marine ply and loads of fibreglass supplies. I planned to slide the transom ply in from above rather than removing the inner or outer skin. I tried to make a template but I didnt trust it so cut the ply oversize.




Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
quotequote all
I decided to tackle the engine first as I've a bit more experience with that. Gave it a service with plugs, fuel filter, waterpump etc and cleaned the carbs, washed out the 2 stroke tank and fuel tank filled them with fresh stuff, greased all points, and still no response.

Turned out the multi plug wasnt getting Batt+ve so bit of bypassing and boom off it went within a sec of turning the key. Success!



I dismantled the PTT and water had got in along the power wires and rusted it out from the inside. Looking up the serial number, it's been defaced, ffs hope this isn't going to turn out to be stolen or something!



Got a PTT and replaced it and it's now going up and down on demand. Another step in the right direction.

akirk

5,775 posts

128 months

Friday 28th March
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looks a fun project - what are the details?
boat type / length / engine size etc.?

will look forward to seeing it restored

Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
quotequote all
It's around 17 or 18 foot, came with a 60hp 2 stroke mariner but I might down grade it to a smaller capacity for river canal cruising but will decide that when I get there.

I cant work out who the manufacturer is, the only clue I have is this logo, which seems to match Ace caravans but no boat companies.



It's been heavily modified in the past, not sure the cabin top or inner liner are original but they fit well. There is closed cell foam between the hull and liner which seems to be dry and solid.

Simpo Two

88,925 posts

279 months

Friday 28th March
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Good work so far.

I'm sure you can make a nicer-looking windscreen than the last owner did!

akirk

5,775 posts

128 months

Friday 28th March
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thank you!

my 16ft cabin cruiser (on the Thames) had a 15hp engine which was more than enough...
I did put the rib (4m searider) with 50hp on the thames occasionally but it was very overpowered!

will enjoy watching with interest

Decky_Q

Original Poster:

1,794 posts

191 months

Friday 28th March
quotequote all
Good to know about engine power, I was thinking of a fourstroke 15 to 25, good to know that can overcome the flow of a river like the Thames, should have no problems with my local canals, rivers and lakes which have barely any flow to them.

For the windscreen I have 2 sheets of poly carb from making track cars, so hope I can heat it and form something nice frameless and curvy. I'll get up pictures of my progress as I get to it.

akirk

5,775 posts

128 months

Friday 28th March
quotequote all
Decky_Q said:
Good to know about engine power, I was thinking of a fourstroke 15 to 25, good to know that can overcome the flow of a river like the Thames, should have no problems with my local canals, rivers and lakes which have barely any flow to them.
I was moored up above Lechlade, so less flow there - but your approach sounds ample for your needs

Simpo Two

88,925 posts

279 months

Friday 28th March
quotequote all
Decky_Q said:
Good to know about engine power, I was thinking of a fourstroke 15 to 25, good to know that can overcome the flow of a river like the Thames, should have no problems with my local canals, rivers and lakes which have barely any flow to them.

For the windscreen I have 2 sheets of poly carb from making track cars, so hope I can heat it and form something nice frameless and curvy. I'll get up pictures of my progress as I get to it.
It doesn't take much power to move a boat (unless you want to go fast). My cabin cruiser is 27' and 2.2 tons, and for inland use 40hp is fine (inboard Yanmar 1.6 diesel so decent torque).

Re the windscreen, if you plan to fit a canopy then a frame would be useful for attaching it, usually with press studs.

In the event that you want to navigate a river with strong current, keep to the side for better progress.

OutInTheShed

11,247 posts

40 months

Friday 28th March
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They tend to shut rivers like the Thames if it's flowing fast.
Speed limit is quite low to avoid wash.

A small engine is all you need, bu t 10 or 15HP can be handy for stopping and starting the boat.
Also you run for hours at a constant speed so running something like a twin cylinder four stroke is quiet and easy on the engine.

Only problem is, a boat that's designed for a big outboard may have a poor hull shape for river work, with an immersed transom at low speeds.
A lighter engine will trim the boat more down by the bow perhaps.
It might be worth floating the boat with some weights to represent different engines before too many final decisions are made?

Simpo Two

88,925 posts

279 months

Friday 28th March
quotequote all
OutInTheShed said:
They tend to shut rivers like the Thames if it's flowing fast.
I was on the Avon last year and that was pretty hairy at times, especially in a 68' narrowboat!

The EA, who cover the Thames and Great Ouse, issue 'strong stream warnings' which I believe void your insurance.

OutInTheShed

11,247 posts

40 months

Saturday 29th March
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Simpo Two said:
OutInTheShed said:
They tend to shut rivers like the Thames if it's flowing fast.
I was on the Avon last year and that was pretty hairy at times, especially in a 68' narrowboat!

The EA, who cover the Thames and Great Ouse, issue 'strong stream warnings' which I believe void your insurance.
Try sailing a dinghy back into the Arun against the ebb....

Simpo Two

88,925 posts

279 months

Saturday 29th March
quotequote all
OutInTheShed said:
Try sailing a dinghy back into the Arun against the ebb....
Luxury. My colleague abandoned the tiller at full speed downstream having just missed the lock turning - next stop, the weir. 'Take over' he said... redface

Decky_Q

Original Poster:

1,794 posts

191 months

Sunday 30th March
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I have found another 'Ace' for sale and it has the same.layout and fittings so it's not as modified as I thought. Just a pity theres no year or any more info.



Edited by Decky_Q on Sunday 30th March 19:24

OutInTheShed

11,247 posts

40 months

Sunday 30th March
quotequote all
Decky_Q said:
I have found another 'Ace' for sale and it has the same.layout and fittings so it's not as modified as I thought. Just a pity theres no year or any more info.
...]
A half-hearted poke at google tells me that Ace Caravans was owned by Cosalt.

Cosalt is/was a brand connected with marine safety.

A lot of small boat builders come and go, moulds get sold, stuff gets copied, people pick a name out of the blue and don't realise it's been used 18 times before..

While I'm obviously a 'rag and stick' boater, I've enjoyed trips on rivers in motorboats. A good friend used to have a small cabin boat on the Thames, another was based in Bristol.

I have a friend down here whose power boat uses 30 litres an hour. I think my boat used 30 litres of diesel last year.

Decky_Q

Original Poster:

1,794 posts

191 months

Tuesday 13th May
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Cosalt is probably correct but still no info available in any of my searches.

I haven't been doing much on the project lately, lots of painting and varnishing has been time consuming, with not much to show.

The weather has been amazing so I've been out on my other boats at every opportunity. Spent last weekend on Coney Island with wife, kids and a few friends and had a fantastic time.




HocusPocus

1,467 posts

115 months

Wednesday 14th May
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Hard to see from photos, but with a V shaped hull I suggest you check along the underside of the keel for any strike point where it may foul the trailer axle on launch/recovery. That cracked the hull of one of my boats which weak spot got directly pressure washed by 40kt of water jet....so the boat took on much much much water. When I opened a locker door and realised out at sea what the reason for sloppy and sluggish handling was......#%&@!!

Repaired and future prevention by adjusting the trailer roller heights and a rope shrouded with drilled garden hose hung directly above the trailer axle to cushion/lift the deep vee hull when driving on/off. So now impossible for the keel to strike the steel axle.

Edited by HocusPocus on Wednesday 14th May 10:16

Decky_Q

Original Poster:

1,794 posts

191 months

Saturday 17th May
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Funny you should say that, I got about 750ml of water in the cabin sole and none was spilled so think I have a small leak, checked along the keel line (theres stainless steel band bonded to it) and theres a few rough looking bits of fibreglass so I'll get them scraped down, epoxied, fresh antifoul and hopefully be dry next trip out.