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Post  jmcalata Sat Apr 06, 2013 4:42 pm

Hello, somebody sell one hydro boat like these.

Hydro Boat Cox1510

Hydro Boat Water_10

I´d like to make an RC Cox Small Cox Logo Boat.

There´s a plan for this ? Huh...

Others models.

Hydro Boat 9200_210

Hydro Boat Hydro_10

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Post  SuperDave Sat Apr 06, 2013 5:00 pm

Check the Dumas "Lil Swamp Buggy" .049 pusher kit.

A nice air boat that travels over water, snow or wet grass. Made of mahogany sheeting it's a sharp looker with a clear finish. Mine is running two channel RC powered by a throttled Sure Start .049.

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Post  SuperDave Sun Apr 07, 2013 10:50 am

Also check this site for model hydroplanes:

Model Hydroplane Laser Kits - A Cut Above Boat Works

(1/2A's are 1/16 scale)

SD


Last edited by SuperDave on Sun Apr 07, 2013 11:06 am; edited 1 time in total
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Post  duke.johnson Sun Apr 07, 2013 10:56 am

SuperDave wrote:Also check this site for model hydroplanes:

Model Hydroplane Laser Kits - A Cut Above Boat Works

(1/2A's are 1/6 scale)

SD

SD is there a website you wre thinking of or should we google "Model Hydroplane Laser Kits - A Cut Above Boat Works "?

Tired w/ Coffee Read
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Post  SuperDave Sun Apr 07, 2013 11:05 am

Duke:

A Cut Above Boat Works is the site but it didn't send as "clickable".

Don't know why or how to make it so.

SD

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Post  duke.johnson Sun Apr 07, 2013 11:15 am

Thanks
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Post  jmcalata Sun Apr 07, 2013 2:48 pm

Fantastics Hidroplanes ! Shocked

http://www.acutaboveboatworks.com/

But I´m looking for a plan for a simple home made Hidroboat.

I think to cut the middle of ... Huh...

Hydro Boat Garraf10

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Post  SuperDave Sun Apr 07, 2013 4:40 pm

What are you going to make with a plastic jug?

SD
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Post  jmcalata Sun Apr 07, 2013 5:03 pm

Easy ... a recycled boat. lol!
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Post  SuperDave Sun Apr 07, 2013 5:09 pm

I'm sureou'll not find plans for a boat made from a plastic jug. You are on your own on that one. Laughing

How large do you want your hydroplane to be?

What will power it?

SD
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Post  jmcalata Mon Apr 08, 2013 1:42 am

Two sizes engines: Small Cox Logo

1.- Surestar R/C .049 or Dragonfly .049

2.- Queen Bee .074
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Post  SuperDave Mon Apr 08, 2013 10:44 am

Sounds like something in the 20" LOA range.

What type of propeller? Air or water?

SD
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Post  jmcalata Mon Apr 08, 2013 12:54 pm

Air

Something like these Dumas Air Botas "Swamp Buggies"

Hydro Boat Dumas10

Hydro Boat Di10

I think is better two rudders to launch the air flow.

Building:



Sailing:



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Post  jmcalata Tue Apr 16, 2013 8:18 am

Hydro Boat Air_bo10
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Post  SuperDave Tue Apr 16, 2013 6:18 pm

I've mentioned this before but you said that you wanted to build one from a plan.

Tower Hobbies # LXE383 Dumas Li'l Swamp Buggy Kit 18"
Accessories Needed Add to Wish List
34.99 In Stock

SD
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Post  jmcalata Wed Apr 17, 2013 1:54 am

Good idea Very Happy

Thanks
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Post  SuperDave Wed Apr 17, 2013 9:21 am

If it's any help I used Sullivan "Gold-n- Cable" #507 controls on my Dumas "Lil'Swamp Buggy". You'll need two sets; one for the rudder and one for the throttle.

Further I used Futaba S3114 micro-servos concealed under the deck hatch.

SD
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Post  jmcalata Wed Apr 17, 2013 10:32 am

What do you think about cord wire pull-pull to the rudders? Huh...
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Post  SuperDave Wed Apr 17, 2013 10:51 am

The Dumas "Lil Swamp Buggy" has a single rudder which seems plenty adequate on mine because it is located directly behind the pusher APC prop.

The boat performs best when running at full-throttle and also because of the semi-V hull.

What would be the advantage of two rudders? (They would make starting the engine more difficult because the rudders would get in the way and could become damaged)

SD
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Post  dinsdale Sun May 26, 2013 10:43 am

Take a look over here - http://www.rcairboats.net/phpBB/index.php
They have hyooj resources for airboat enthusiasts.

At the bottom of this page - http://ozzietraders.com/Pacific_Balsa/DIE_CUT_SERIES/die_cut_series.html
There are 3 boats. I'm in the throes of modifying a Challenger and a Dictator to use Surestarts, probably as pushers.

I've been playing with airboats for years. I no longer muck around with air rudders. I use only water rudders, easily available on E-Bay, beautifully CNC machined parts. This just 1 example. There are many out there.
http://www.ebay.com.au/itm/RC-Model-Ship-55mm-Silver-Aluminium-Cooling-R-C-Hobby-Boat-Rudder-HR275-/281110228095?pt=AU_Toys_Hobbies_Radio_Controlled_Vehicles&hash=item417379ac7f
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Post  dinsdale Tue May 28, 2013 8:03 am

Something I should mention: Dumas' kits are little better than fire wood! As there are no importers of Dumas kits in Oz I bought a "Big Swamp Buggy" kit, figuring that for the over-inflated price it'd at least be OK. Alas and alack, not so!! I was so disgusted that I left it on the shelf for over a year. I've since begun to use the kit parts as templates and am slowly building a modified "BSB" using plywood which is better than the scrap pieces of sub-standard fire wood supplied by Dumas.

I could not possibly recommend a Dumas kit to anyone.
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Post  jmcalata Thu May 30, 2013 3:12 pm

Thanls at all, but this year is very rare, it´s very cold, I´ve not spring.
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