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Old 05-01-2014, 11:33 PM   #21
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She is a good sized boat! 58 feet. 17.68 metres
Definately nota whimpy boat mate
Good having another craig around here to balance things out a bit.

Welcome Mate! Go figure, another Aussie working on a timber boat. I'm starting to think Bruce and Peter are the odd ball Aussies now with fiberglass boats Look over Hendo's thread on rebuilding Axe, if you take less apart than he did in your refit you win
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Old 05-02-2014, 12:09 AM   #22
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Wow, sure locks to have a ton of potential. Just can't coach good lines
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Old 05-02-2014, 12:14 AM   #23
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Gday Bruce K,

thanks for the welcome mate. Are you the staff for the Trawler forum and the person i ask questions for the site?
Just an unpaid IT challenged Moderator. If I can post a pic anyone can.
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Old 05-02-2014, 12:24 AM   #24
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Welcome aboard Craig.
I normally warn new folks about RT Firefly, but you've already encountered his humor. He's smart but nuts.

RTF, how the heck do you type upside down?
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Old 05-02-2014, 12:29 AM   #25
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Cool

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.. BruceK is your man with answers.. Word on the street is that he's going in for a face lift on Monday...
Time ravaged face way beyond repair, vision I hope is not.
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Old 05-02-2014, 01:00 AM   #26
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Thanks FlyWrite!

I better hit him with some quality Q's before he goes under the Knife!
Is that him getting the face lift or his vessel!
I might have put me foot in it already!! hehe

One question i have is when i log back on to my Forum i cant find the message box to find this very thread we are writing on.

Cheers
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Old 05-02-2014, 01:51 AM   #27
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Craig,
Here is a bit of Gardner info. You may have it but hey!!

Did you pick the boat up in Cairns or buy her elsewhere and steam her home.

I run my 6LXB at 1250 RPM. She is rated at 150 BHP at 1500 RPM.
Have you got a good Gardner man up your way?
Sounds like a great project and at 58' she is definitely a good size.
Engine room aft or fwd depends. If it is fwd then you can build in a very good aft cabin (master) sure keeps the Boss Lady happy. Nice walk around bed with good sized ensuite.
Eng room aft then the cabin is under the wheel house and may have restricted head room and less natural lighting.
But at 58' that may not be a problem, I really like the aft cabin configuration.
Cheers
Benn
Attached Files
File Type: pdf GARDNER MARINE PROPULSION DIESEL ENGINES (1).pdf (71.0 KB, 28 views)
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Old 05-02-2014, 03:31 AM   #28
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Thanks AusCan!



Will try that now for a test run!

Oh and she's a woodie! What is it with us Aussies building/rebuilding woodies! Hahaha ... Glad to see ya got the posting of pics sorted mate.


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Old 05-02-2014, 03:35 AM   #29
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Good having another craig around here to balance things out a bit.



Welcome Mate! Go figure, another Aussie working on a timber boat. I'm starting to think Bruce and Peter are the odd ball Aussies now with fiberglass boats Look over Hendo's thread on rebuilding Axe, if you take less apart than he did in your refit you win

Hahaha Craig's is floating mate so there's no contest. Now if it were a battle of the handstands then that'd be a different story haha


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Old 05-02-2014, 10:25 AM   #30
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Hi Benn,

Thanks for the Gardner info mate always appreciated.

I bought her Minus the Engine, Gearbox, Prop and Nozell as that was the deal when i got her.. And im not needed that Trawling gear anyway..

This is my first Gardner! got it a few weeks ago. I like this Gardner Engine a lot because it has its own History!
it came out of the old Tarzali sawmill! it used to drive the big blades! Slicing timber for years!

My biggest issue at the moment is trying to find a Prop and Gearbox thats not going to cost me the earth to buy.. ( Doing this on a bit of a shoe string budget)
I planning to find a Prop around 48 Inch with a 42 Pitch Narrow 4 Blade Propeller.
And a 4:1 Gearbox

I have a 38 Inch x 26 Austral Prop that i cant use as its to small for my project
and i have a MG 509 gearbox 2.95:1 that i cant use Either.. I might have to sell them or trade them for the prop and gearbox im looking for if im lucky!

I was wondering what size prop and box does your Gardner drive Benn?

I am hoping to find a good Gardner guy in Cairns... George Dawson is the most famous Gardner man up north here but he has retired a long time
ago. Could you recommend a good Gardner person. I know there is mainline in brissy but would be great if there was some talent up north

Cheers
Craig
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Old 05-02-2014, 10:33 AM   #31
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Hi Craig!
for sure mate! damn good name that!
Cheers
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Old 05-02-2014, 10:35 AM   #32
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Cheers Mark,

When i finally get her back in the juice and finish the super structure She will be a pearler!
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Old 05-02-2014, 10:39 AM   #33
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Hey Hopcar,
yes saw some pretty artistic vids from firefly.
Typing upside down, just need to turn ur computer upside down dont ya??
Hehe
i reacon he must have typed it, taken a photo and then turned photo upside down ..
I wouldnt know im not the best with computers!
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Old 05-02-2014, 10:43 AM   #34
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Greetings,
Mr. HC. "...you type upside down?" Mr. Hendo alluded to it in post #29.

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Old 05-02-2014, 10:45 AM   #35
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Hahaha Craig's is floating mate so there's no contest. Now if it were a battle of the handstands then that'd be a different story haha


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Hey Hendo, mine is out of the water now doing the work on it and keeping the water on her so she wont open up.
By the way I have mastered the one hand hand stand if there a contest! haha
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Old 05-02-2014, 10:51 AM   #36
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Very Clever!
Cool vid
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Old 05-02-2014, 05:36 PM   #37
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Welcome to the forum Craigstarr

You're starting your dream I am launching mine here in Brazil.
God bless you and be persistent. Some times you'll need some persistence, and when you do, come here and read some. It will work like Redbull, it will give you wings

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Old 05-02-2014, 05:54 PM   #38
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Chris,
Re gearboxes, talk to Wes Jordan in Brisbane he is the Marine Gearbox guru. Welcome to Marine Transmissions
He may even be able to trade your 509 or change the ratio as required.
Given 1/2 a chance I will run your figures thru Boatdiesel and come up with some figures.
Waterline length, beam at water line , weight required. PM these to me and we will see what it comes up with.
I will use the Gardner at 150 HP at 1500 RPM
I am running a 3:1 box and turning a 36 x 32 prop. These figs are approx. as I have had it retuned a couple of times since I installed the Gardner.
Gary Bryant (Gary Gardner) is the main man in Brisbane but is hard to contact , even harder to get action from and is my age so is getting out of the business, that was a lot of help wasn't it.
I have another guy down at Tweed Heads who is in the same league as Gary.
I will dig out his info and pass it on to you.
Will be interesting to watch your project.
Cheers
Benn

PS just a quickie. I ran some figures , using waterline length 52 ft, weight 32 tonne.
Comes up with a gearbox ratio of 2.6:1 turning a 4 bladed 34 x 30" prop.
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Old 05-02-2014, 06:12 PM   #39
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Chris,
That box may be just the goods and the prop won't be too far off.
Depends on what weight the boat comes in at.
The smaller ratios can be more efficient.
It will be interesting to see what the calculator comes up with.
Remember you are now a cruising boat not hauling nets around so high ratio and big props are sometimes not the best answer.

Props, Rogers and Lough (Allan Lough) in Brisbane are good and so is his brothers business Performance Propellers Colin Lough.

Cheers
Benn
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Old 05-02-2014, 07:44 PM   #40
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Morning Benn,

Thanks for the contacts, i went and saw Brian Rogers in brisbane an awesome bloke very helpful, and he gave the figures
for my gardner at 180 Hp but i have since found i need to re rate it for marine to 150 HP So my figures would be out and i would have to
put the new figures in...

6LXB at 1250 RPM. rated at 150 BHP at 1500 RP that you run your Gardner on would that be a general rule for 150 HP?


I saw a Bloke in Cairns who thinks i should be using a 48 inch prop 42 pitch and 4:1 box ratio

My Displacement Hull is probably around 60 Tonnes
My Waterline length = 56 Feet
My Beam 5.5 m
Its Gross tonnes is 90 Tonnes
Its Net Tonnes is 49.86

Im guessing it would be around 60 Tonnes now it could be less as its got all of the Trawling gear off it.

It had a Draft of 2.8 M now its around 2.5 M

My Engine is not in the boat now as i have to find the Gearbox and prop first then i will start the process of moving the
engine room aft.

Thanks for your Info Benn

Cheers
Craig
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