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Author Topic: Billing Boats Phantom, prop, shaft and motor combination  (Read 4097 times)

essex2visuvesi

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Billing Boats Phantom, prop, shaft and motor combination
« on: September 03, 2010, 10:16:37 am »
I am at the stage of my phantom where I need to install the prop tube prior to final finishing of the Hulll

I am not keen on the BB supplied prop and would prefer to use a rasobech propshaft as it looks more prototypical

However I have a small problem, the rasobech is rated for 10K rpm and the reccomended speed 400 motor is 16-18Krpm

What motor would be better to use?

Im pretty sure that the prop would need to be changed as well.... suggestions on this would be appreciated as well
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DickyD

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #1 on: September 03, 2010, 11:47:42 am »
Check out the Deans Marine site. They do Raboesch prop shafts and props.

The Deans Motors are excellent as well .

If you click on the picture of the item you are interested in it will tell you what type of boat or the rpm that is recommended.

I always get my motors props and shafts from them.

http://www.deansmarine.co.uk/shop/index.php/cPath/5
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FullLeatherJacket

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #2 on: September 03, 2010, 12:26:03 pm »
Your options seem to be either a slower motor or a smaller prop. The 400 series are all pretty fast little animals and wouldn't suit a prop of much more than 25mm diameter (ungeared, that is). I'd consider fitting a Speed 600 ECO - if it will physically go in there - and running it on 7.2v with something like a 30mm 3-blade brass prop. A 30mm dia Prop Shop 2-blade cleaver might be an alternative - start saving now!
No Load RPM @7.2v  is around 11k and this motor draws a low current c/w some of the other Speed types.
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essex2visuvesi

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #3 on: September 03, 2010, 02:29:54 pm »
Thanks for the replies I think more prop research is required but I think the 600 route seems the best option for me as I already have one and I can make it fit easily lol

I will be using 2 cell lipos (7.4V)
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poddy

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #4 on: September 03, 2010, 05:05:29 pm »
This might be of interest to you.

http://heliblog.moller-ilsoe.dk/#category8.2

It seems to open better in chrome. But then my explorer has been getting very fussy lately.
you have to click around a bit to get the phantom build. It is informative and the youtube videos are good. Think he went for a brushless of some sort?

enjoy
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essex2visuvesi

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #5 on: September 03, 2010, 06:18:34 pm »
Quote from: poddy on September 03, 2010, 05:05:29 pm
This might be of interest to you.

http://heliblog.moller-ilsoe.dk/#category8.2

It seems to open better in chrome. But then my explorer has been getting very fussy lately.
you have to click around a bit to get the phantom build. It is informative and the youtube videos are good. Think he went for a brushless of some sort?

enjoy

Yes I have this on my bookmarks already.  Xilsoe has been very helpful answering questions regarding his build and also given helpful advice with regards to modifications to make during assembly.

I beleive he used the standard propshaft on his one
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poddy

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #6 on: September 03, 2010, 06:24:50 pm »
I think rasobech do a bb shaft rated up to 15,000 rpm?
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poddy

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #7 on: September 03, 2010, 06:27:24 pm »
yes, they do, cornwall model boats have them
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essex2visuvesi

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #8 on: September 03, 2010, 09:24:31 pm »
Sorry I should have been more clear, I wanted one of the exposed props.... the ones at the bottom of the list

http://www.cornwallmodelboats.co.uk/acatalog/Raboesch_Precision_Propshafts.html
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poddy

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Re: Billing Boats Phantom, prop, shaft and motor combination
« Reply #9 on: September 03, 2010, 10:36:50 pm »
tried this guy? I think he makes pretty much whatever you want.

http://modelboatbits.com/
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