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Author Topic: Phantom from Billing Boats  (Read 10226 times)

tica

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Phantom from Billing Boats
« on: July 23, 2013, 06:01:24 pm »

Hi there

Just bought a Billings Phantom kit that had been started for approx 60

It will get a brushless Graupner compact 260 VA 1420KV with a 18A ESC and a 3S Lipo.

As it came






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tica

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Re: Phantom from Billing Boats
« Reply #1 on: July 23, 2013, 06:44:52 pm »

Started on it the July 9Th.

I'm using a PU adhesive and I know it will take some cleaning afterwards.

First plank


Last plank on, next it will be cleaning and sanding
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tica

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Re: Phantom from Billing Boats
« Reply #2 on: September 01, 2013, 06:44:13 pm »

Some progress after 2 weeks of vacation and a business trip to Japan.



And some more



And the last for today




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pompebled

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Re: Phantom from Billing Boats
« Reply #3 on: September 01, 2013, 09:07:06 pm »

Hi Tica,

Your build is coming along nicely!

I assume you motorisation is going to be similar to the Phantom of Jorgen?

The reason I ask is; 1420 x 11,1V =14000 rpm under load, which is too much for a submerged prop.
I'd go for a lower Kv motor if I were you, 10.000 rpm is about the maximum before cavitation will occur.

On 3S that would be a motor with about 1000Kv, something like this for example:
http://www.hobbyking.com/hobbyking/store/__12921__D2830_11_1000kv_Brushless_Motor.html

With 10.000 rpm the boat will still be blistering fast, and when running partial throttle, the motor (and ESC won't heat up so fast, something Jorgen has some issues with).

If you want to avoid overheating the outrunner, a watercooled motormount is the way to go.

If you have doubts, 10.000rpm won't be fast enough, check out my MAS:
http://www.youtube.com/watch?v=-igDcvLySEM&feature=youtu.be
(turn up the volume really high)

Regards, Jan.
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tica

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Re: Phantom from Billing Boats
« Reply #4 on: September 02, 2013, 06:00:51 pm »

Hi Jan

I'm not quit sure what setup Jorgen is using right now.

I'm used almost the same setup in my wife's Classic, and it goes like h... with 3s. and a Hydroprop from graupner with no heat problems, video is with 2s.


http://www.youtube.com/watch?v=a3_VGfSnTho

But I'm always open for input and the next few days (week) will be in the varnish corner, so I will look into other solutions :-)

Br
Carsten
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Re: Phantom from Billing Boats
« Reply #5 on: September 02, 2013, 06:35:09 pm »

A bit more progress



One more



And the last for today


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Re: Phantom from Billing Boats
« Reply #6 on: September 02, 2013, 07:53:59 pm »

Hi Carsten,

If you feel that combo on 2S isn't quick enough, by all means try 3S, it will be silly fast...

I'm looking forward to the video.

Regards, Jan.
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Re: Phantom from Billing Boats
« Reply #7 on: September 03, 2013, 08:52:30 am »

Gents, just to say thanks for the information in this thread. My winter project is to build a semi scale MTB.
http://www.myhobbystore.co.uk/product/16872/black-marauder-mm840
 
I was wondering about a motor, battery, prop combination to power it and the information in this thread has made my job a lot easier, thanks.
 
Victor.
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tica

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Re: Phantom from Billing Boats
« Reply #8 on: September 03, 2013, 05:20:15 pm »

@Jan

If the water is flat next Sunday I will try to get some video with 3S, I have tried and once before and it almost took off due to the waves.
I will also try with a lighter 2S battery, the one we uses now is approx. 450grams.
But it's my wife's and she is still afraid to do more than gas on 2S.

Regarding the build of Phantom, the next days will be sanding, sanding sanding so no updates until I get to the varnish part.

Power wise I think that I will go for a 1100KV outrunner with watercooled mount as used in this Diva http://www.youtube.com/watch?v=LHZgXuln4Fc
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Re: Phantom from Billing Boats
« Reply #9 on: September 20, 2013, 03:09:46 pm »

Batteries, 1100KV BL motor and water cooled ESC has arrived and waiting for the water cooled motor mount.

Due to a knee problem and some strong pills  %% nothing has been done on the build  >>:-(


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tica

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Re: Phantom from Billing Boats
« Reply #10 on: October 06, 2013, 05:51:18 pm »

Build is on track again after a week of audit in CH.

Water cooled mount and programming card for the BL motor.



The bottom has been plastered and sanded.



The sides has also been sanded, still not there but the arm said stop ;-)


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tica

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Re: Phantom from Billing Boats
« Reply #11 on: October 08, 2013, 05:40:13 pm »

The wood was finished with 400 grid and 1. coat of lacquer has been applied.


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pompebled

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Re: Phantom from Billing Boats
« Reply #12 on: October 08, 2013, 09:42:03 pm »

Looking good!

I also like your solution of cooling the base of the outrunner with what's commercially available.

Regards, Jan.
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tica

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Re: Phantom from Billing Boats
« Reply #13 on: October 09, 2013, 11:45:26 am »

Cooling solution is from Hobbyking http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=12201
But only avalible from international warehouse but 2 pcs could be keept below the non Tax amount for Denmark.
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Re: Phantom from Billing Boats
« Reply #14 on: October 09, 2013, 08:00:26 pm »

I know, I recognized it as the same cooler used in the boats from Dragon (ARPRO a.O.), of which I have two lying around here.

Regards, Jan.
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tica

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Re: Phantom from Billing Boats
« Reply #15 on: February 24, 2014, 05:31:15 pm »

Slow progress but getting there  ok2

I choose to apply a sheet of ricepaper and resin on the bottom.

Rudder and shaft are in and aligned.



And a close-up of the prop 35mm 3 blade for now

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tica

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Re: Phantom from Billing Boats
« Reply #16 on: October 30, 2014, 04:07:49 pm »

Slow but still some progress. Engine in together with battery tray and servo mount.



Deck is on it's getting there  :-)
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Re: Phantom from Billing Boats
« Reply #17 on: October 30, 2014, 07:01:15 pm »

Hi Tica,

The outholder for the rear bearing, in front of the prop, has a lot of drag in it's present shape.
See if you can streamline it a bit more (forward) to reduce the drag.

Also, the angle of the propshaft looks rather steep in the pictures, but this could be due to the camera position...

Regards, Jan.
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tica

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Re: Phantom from Billing Boats
« Reply #18 on: October 31, 2014, 03:38:13 pm »

Hi Jan

Outside hull is not yet finished so I will address the P-Station before paint.

The angel of the propshaft is identical with Jorgen's so I guess that it will work, I uses another type of prop than he do.

This weekend I'll attend a Hobby exhibition in Copenhagen so no work on the boat but some good time with friends.

Next week is vacation time so hope to do some work on the model.
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tica

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Re: Phantom from Billing Boats
« Reply #19 on: November 08, 2014, 07:59:47 am »

Deck sanded down and started to lay down the mahogany deck.

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tica

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Re: Phantom from Billing Boats
« Reply #20 on: November 09, 2014, 03:34:09 pm »

A bit more progress.

The instructions showed that I should use a thin strip of mahogany between the strips but I opted for a thin strip of 0,25mm black styrene. IMO it looks much better.

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tica

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Re: Phantom from Billing Boats
« Reply #21 on: November 14, 2014, 04:43:30 pm »

Rubbing strip has been added and the deck has got the first layer of varnish

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tica

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Re: Phantom from Billing Boats
« Reply #22 on: December 28, 2014, 08:13:40 am »

A bit more has happened







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tica

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Re: Phantom from Billing Boats
« Reply #23 on: January 15, 2015, 04:16:48 pm »

Almost there just need some minor touch up and the ESC to be safely fixed.

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Re: Phantom from Billing Boats
« Reply #24 on: January 15, 2015, 04:52:46 pm »

Looking good!

Jan.
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