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Author Topic: whats the BIGGEST steering nozzle for the AMSTERDAM ?  (Read 8249 times)

old shrimper

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whats the BIGGEST steering nozzle for the AMSTERDAM ?
« on: March 21, 2013, 06:56:15 AM »

HI guys
my wife just bought me the AMSTERDAM kit for my birthday ( lucky me )
after reading up on lots of builds on the BIG MOTHER it apers to handle like a dray ?
so seeing as how i love big props and nozzles
im going to fit a BIG STEERING NOZZLE and a bow thrust er ,does any know what is the biggest one that will fit under her,  90 mm?
i have finish off the TC first so i have plenty of time to get stuff to gether
what does the fitting kit from  Westbourne models. consist of ? is worth buying [/size]
cheers bob

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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #1 on: March 21, 2013, 10:46:11 AM »

Here's a shot I found on the internet of one of the sister ships, Malabar. I don't know if it helps, but it is big.

John
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adamD98

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #2 on: March 21, 2013, 11:28:04 AM »

Me personally I'd go with a 70-80mm Steerable Kort, 4 bladed prop and a Bow Thruster.
 
 I think that would give very good maneuverability.  :-)
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Cheers,

-Adam-

old shrimper

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #3 on: March 21, 2013, 12:09:42 PM »

wow looks like about 12 ft in reality
what that in scale?
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #4 on: March 21, 2013, 12:16:16 PM »

wow looks like about 12 ft in reality
what that in scale?

The Model Amsterdam is 1/4" to the foot, work it out.
Here's a shot of the real Amsterdam

John
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adamD98

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #5 on: March 21, 2013, 12:19:23 PM »

1/50th I think the Amsterdam is - so 12ft would roughly be 72-73mm?
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Captbearuk

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #6 on: March 21, 2013, 02:56:12 PM »

Looks like the 'Amsterdam' is a popular choice on the gift front. I've just received one for my birthday and am looking at all internet information including the steerable kort nozzle option. I was considering the 60mm but now that 70mm has been mentioned I'll have a think about that. Does anyone think there'll be a difference between 60mm or 70mm?  {:-{


Glyn
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Captbearuk

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #7 on: March 21, 2013, 02:59:16 PM »

Oh yes, can anyone tell me if the prop for a steerable kort nozzle needs to be a special prop - flat tipped blades, or will a standard prop be fine?


Glyn
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #8 on: March 21, 2013, 03:16:23 PM »

Here's some more Amsterdam pictures for those looking for the same.

John
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #9 on: March 21, 2013, 03:24:45 PM »

.............some more........
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #10 on: March 21, 2013, 03:27:02 PM »

My version of it.
I've also got a copy of John Fryant's article on building the Amsterdam. If anyone wants a copy, PM me

John
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boat captain

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #11 on: March 21, 2013, 03:56:14 PM »

Oh yes, can anyone tell me if the prop for a steerable kort nozzle needs to be a special prop - flat tipped blades, or will a standard prop be fine?

 
 

The proper flat tip prop will produce more pulling power than a standard prop.
Joe  :-))
 :-)) :-)) 
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Captbearuk

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #12 on: March 21, 2013, 04:28:41 PM »

John - Thanks for the photo's and a PM sent for the offer of the Amsterdam build. Last night I read your airbrush tutorial, very well presented and informative. Thanks for your effort.


Joe - Okay it looks like I need to source a proper kort nozzle prop for the steerable kort. I guess the position of the prop within the steerable kort nozzle is critical and therefore I need to be accurate on the length of the prop shaft.


Regards


Glyn




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nemesis

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #13 on: March 21, 2013, 04:49:05 PM »

Hi, seeing as you are going to use a steering kort you may find that you have to use a rounded tip
prop, with the prop centred on steering shaft line it will not bind when you put the helm on. The kort nozzle props which are tipped to run very close to the inner sides of the nozzle would bind when the helm is put on. This nozzle does not move. Nemesis
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #14 on: March 21, 2013, 05:01:09 PM »

1/50th I think the Amsterdam is - so 12ft would roughly be 72-73mm?


1/4" to the foot = 1/48 scale  = .02083
                         1/50 scale  = .02

Pretty significant difference I guess.

John
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Captbearuk

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #15 on: March 21, 2013, 06:07:22 PM »

Nemesis,


I found this photo of Malabar somewhere on the net, which is why I posed the question.




But I may play safe and go for a regular shaped prop.


Regards
Glyn



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old shrimper

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #16 on: March 21, 2013, 08:45:48 PM »

thanks for the pic and info
just a another query do you think a pair of schottels would fit in the stern


would be a nice modern up grade for her
cheers Bob
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RAAArtyGunner

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #17 on: March 21, 2013, 10:07:32 PM »

My version of it.
I've also got a copy of John Fryant's article on building the Amsterdam. If anyone wants a copy, PM me

John

Thank you John (AKA oldiron), copy received. :-)) :-))
 
My kit is the original with plank on frame.
 
The article by John Fryant has lots and lots of good detail/information.  O0 O0
 
Thank you  :-)) :-))
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #18 on: March 21, 2013, 11:34:25 PM »


Thank you John (AKA oldiron), copy received. :-)) :-))
 
My kit is the original with plank on frame.
 
The article by John Fryant has lots and lots of good detail/information.  O0 O0
 
Thank you  :-)) :-))

 No problem, glad to be of assistance.

John
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chipchase

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #19 on: March 22, 2013, 09:51:34 AM »

John - Thanks for the photo's and a PM sent for the offer of the Amsterdam build. Last night I read your airbrush tutorial, very well presented and informative. Thanks for your effort.


Joe - Okay it looks like I need to source a proper kort nozzle prop for the steerable kort. I guess the position of the prop within the steerable kort nozzle is critical and therefore I need to be accurate on the length of the prop shaft.


Regards


Glyn

Hi Glyn I think Nemesis has made a good point about the steering Kort. Here is the one that I have just finished making for one of my builds, the Kort has an inside diameter of 130mm. 
 

Cyberdan

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #20 on: March 22, 2013, 04:59:44 PM »

Hello,
 
A good source for the capped Kort propeller would be Cornwall model boats. But if you look at any of the above pictures, they seem to use what looks like an older version of Kort props where the blade corners are rounded and tops are flat.
 
I have the same boat with the old plank on frame hull in the works as well, I opted to make the nozzle from drain pipe which I'm still debating with myself about and purchased the regular four bladed Raboesch 70mm propeller from the same source since I'm a little concerned with it hitting the inner walls if it was fully capped like thier current offering, also it was a lot more reasonable in price  :-))

Thanks John (Oldiron) for the article it is exactly what I was looking for, I'll PM you if I'm ever going around Lindsay so I can see some of your awsome work in the flesh.
 
Hany
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Captbearuk

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #21 on: March 22, 2013, 05:08:55 PM »

Hany,
Do you believe that a 70mm steerable kort is the largest size kort that can fit the Amsterdam model? I am going to play it safe for now and get a standard prop for the kort. It's not a major issue to try a flat tipped prop later, if I want to.
Glyn
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oldiron

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #22 on: March 22, 2013, 05:22:02 PM »

Hello,
 
Thanks John (Oldiron) for the article it is exactly what I was looking for, I'll PM you if I'm ever going around Lindsay so I can see some of your awsome work in the flesh.
 
Hany

  Thanks Hany, Our boat club is putting on a mall show tomorrow. if you can see your way clear to come to the Lindsay Mall drop by and say hello.

John
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Cyberdan

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #23 on: March 22, 2013, 05:30:35 PM »

Thanks John,
 
Very tempting, I might just do it if I get out at a decent time from the Dentist's office (And if I can still walk). {-)
 
Hany
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old shrimper

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Re: whats the BIGGEST steering nozzle for the AMSTERDAM ?
« Reply #24 on: March 22, 2013, 08:38:59 PM »

hi john
is there a HOW TO   on how to set up a steering nozzle on the  forum some were ?
 i don't seam to have much joy with the search button
cheers Bob
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