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Author Topic: flat holm (i think)  (Read 2549 times)

Mat_B

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flat holm (i think)
« on: December 22, 2009, 01:37:27 PM »

hi everyone
happy christmas {-)

i have started a 1/24 al khubar scratch build which i think i will do a conversion to flat holm as i think its a far more interesting boat
made a start today as couldnt get to work coz the snow so heres a few pics for you

 

cat helping not to read the plan







hope you all have a great christmas break

mat
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DickyD

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Re: flat holm (i think)
« Reply #1 on: December 22, 2009, 02:04:26 PM »

Hi Mat its probably an age thing but those bows dont appear to be the same as on my Al Khubar

Yours appears to have a bit of a flared bow whilst mine doesn't or is it an optical illusion

.
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Richard Solent Radio Controlled Model Boat Club http://www.srcmbc.org.uk

Mat_B

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Re: flat holm (i think)
« Reply #2 on: December 22, 2009, 04:32:26 PM »

hi DickyD

nice tug :-))

yeh i thought that too but i found a pic of Flat holm



and in this pic it does seem to be quite obviously flared

also its going to be 40.75 x 14 inches with 65mm- 70mm props finished weight around 43 lbs
what motors?

720 torque
540 mfa 6:1
900 tourqe

i dont have a clue so any help would be great

Mat %%
 
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FullLeatherJacket

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Re: flat holm (i think)
« Reply #3 on: December 22, 2009, 05:46:03 PM »

2 x MMB900 on 12v - no brainer.
FLJ
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Mat_B

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Re: flat holm (i think)
« Reply #4 on: December 23, 2009, 05:16:14 PM »

hi

thanks FLJ those motors look good i guess the CEN 900 is about the same spec? rpm current etc

got all the frames cut out and almost shaped for plank bends its huge!!!! :o
better than my 1:75 smit rotterdam
but 1:24 much better  :}

heres the pics




mat
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FullLeatherJacket

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Re: flat holm (i think)
« Reply #5 on: December 23, 2009, 06:07:10 PM »

i guess the CEN 900 is about the same spec? rpm current etc
mat

CEN 900? I can't find any reference to that motor anywhere. MMB900 details are on either MMB's website or our own (See ACTion at the top of the Forum Home page).
FLJ
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andyn

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Re: flat holm (i think)
« Reply #6 on: December 23, 2009, 10:22:55 PM »

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HS93 (RIP)

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Re: flat holm (i think)
« Reply #7 on: December 23, 2009, 10:29:28 PM »

looks like everyone is selling the same 900 motor with there own name on it  :o

Peter
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andyn

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Re: flat holm (i think)
« Reply #8 on: December 23, 2009, 10:30:54 PM »

Nah they're all different O0
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Mat_B

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Re: flat holm (i think)
« Reply #9 on: January 04, 2010, 08:55:27 PM »

been making slow progress during the christmas holidays :}
started planking and also made a hinged hatch (for light switches) and started the control room which will be lit with fibre optics












Mat :-))
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Mat_B

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Re: flat holm (i think)
« Reply #10 on: January 11, 2010, 08:01:36 PM »

hi

getting there slowly with planking
never again will i use balsa!!!!!!!  >>:-(



Mat
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dougal99

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Re: flat holm (i think)
« Reply #11 on: January 11, 2010, 10:14:39 PM »

hi

getting there slowly with planking
never again will i use balsa!!!!!!!  >>:-(



Mat

I find it good work with

What problems are you having?
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Hammer

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Re: flat holm (i think)
« Reply #12 on: January 12, 2010, 01:54:59 PM »

Yes what problems apart from the expence. My balsa I have had in stock for 40 years still got stikers on 19p,24p,35p. Hammer.
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Mat_B

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Re: flat holm (i think)
« Reply #13 on: January 12, 2010, 06:44:29 PM »

its just realy brittle i keep snapping it on curves or even just being a bit heavy handed
the last few boats had obechi i think and i just got on better with it

Mat
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Hammer

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Re: flat holm (i think)
« Reply #14 on: January 21, 2010, 12:17:35 PM »

Yes Mat I must agree it is not much good for a finishing layer.  Methods I have used, are to use thicker balsa in small strips rub down to get a perfect shape. Then cover with with a second layer of 1.5 mm ply as scale planks or cider can plates, depending on the prototype. With two layers I have never had leaks touch wood. Except when I had a ply center plate box split. and the boat sank. I have also used 1/16" balsa soaked in water this bent OK. I then coated it with resin, worked well if a bit rough, but that is what I wanted. this was on a west country trading schooner and there hulls where rough. Hammer   
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