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Stealth boat

Old 01-02-2010, 09:39 AM
  #1  
Swanseajack87
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Default Stealth boat

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Hey guys, new here with my first RC boat. I had a Stealth boat for christmas after seeing it in a gadget shop. I was impressed with the video of it and my girlfriend bought me it for crimbo. Anyway, I charged it for 5 hours and took it for it first ever voyage. Was not impressed. It doesn't seem as fast as in the video and after looking at yours, the turning circle is no where near as quick as some on you tube. Is there a way of modifying it to go faster and turn faster?
Hey guys, new here with my first RC boat. I had a Stealth boat for christmas after seeing it in a gadget shop. I was impressed with the video of it and my girlfriend bought me it for crimbo. Anyway, I charged it for 5 hours and took it for it first ever voyage. Was not impressed. It doesn't seem as fast as in the video and after looking at yours, the turning circle is no where near as quick as some on you tube. Is there a way of modifying it to go faster and turn faster?

Powered by a ALS Ni-MH 6xSC1800mAh 7.2V battery

2x 380 racing motors
• Speed of 30 km/h
• Range of 30 metres
• 2x high torsion propellers and spares
• Propellers stop when removed from water
• Radio controller handset
• 1x set of transfers
• Suitable for age 12 years and up
• Size: Stealth Ultra Fast Boat L 70.0 cm

Any help/info on getting it faster would be great. Thanks.
Old 01-02-2010, 02:42 PM
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machetteman
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Default RE: Stealth boat

hi and welcome to the forums, sorry to say it but me think's you have wasted your money on this.

there are a few things thart you could do to make it go faster

1 put a 8.4 nm hi batterie in
2 you could go brushless but you will need to change the speed controler too

the other you could do is save up some money and build a kit your self which then would be more spares on the market and more reliable too

regards phil
Old 01-02-2010, 03:20 PM
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wave waker
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Default RE: Stealth boat

any pics?
Old 01-03-2010, 05:48 AM
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Swanseajack87
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Default RE: Stealth boat

Ohhhhh. Speed controller? What is onvolved in getting this changed, is it major work? If you go on you tube and type in fruits rc boat, that is the stealth with brushless motors and two 13.2V batteries. Its a flier and I would love to get mine as quick as that but don't know what motors to get etc.
Old 01-04-2010, 06:35 AM
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nick 30
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Default RE: Stealth boat

you could stick a lithium polymer (lipo) battery but the ESC needs to be lipo capable plus the relevent charger for the battery

OR

go brushless

if you go brushless, its no major thing, tell us the lenght of your boat, if its 20" plus then a motor with a diameter of 28mm or 36mm will be fine, kv rating motor for the boat will be 2500kv - 3500kv, then you use a brushless ESC, depending on how fast you want to go depends on the ESC, most people use 60a, 120a or 200a ESC's plus you need to replace the reciever, get a TRANSMITTER package (transmitter, receiver, servo) rudder aswell, it is advisable to buy watercooled motor and ESC, keeps everything cooler, longer runtime then

transmitter types for boats are 27Mhz, 40Mhz or 2.4Ghz (the 2.4 requires no crystals) the last one is better

list of parts
 - battery (lipo plus charger)
 - motor
 - ESC (brushless)
 - transmitter/receiver package
 -rudder

you can use the exsisting motor mount, prop shaft and prop

the simplest solution is buy a lipo capable ESC and battery, some soldering may be needed
Old 01-04-2010, 10:34 AM
  #6  
mfr02
 
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Default RE: Stealth boat

With a range of approx 30 metres its just as well it doesn't go very fast - you get time to keep it within range.
After you have costed the list that Nick has suggested, you might find that adding the cost of a hull designed for RC in the first place is not too big a price step-up compared with the uncertainty of a successful conversion of this one.
To get any improvement will likely need a complete electronic and mechanical transplant. Most toy makers opt for non-standard ways of cutting costs to keep the price down. This never results in performance that matches the artwork on the box.
Old 01-06-2010, 05:45 PM
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sundogz
 
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Default RE: Stealth boat


ORIGINAL: Swanseajack87

Ohhhhh. Speed controller? What is onvolved in getting this changed, is it major work? If you go on you tube and type in fruits rc boat, that is the stealth with brushless motors and two 13.2V batteries. Its a flier and I would love to get mine as quick as that but don't know what motors to get etc.
I am a fan of converting toy boats but it can get pricey. This is the same boat as the NQD High Wind and the Ed Hardy Viper. It has vector steering which means it turns by having 1 prop slow down. It is a proprietary receiver/esc so you can't tweak it really. I have the Viper and converted it to Jet Drive (do a search in 'all things jet drive' for 'batboat'). It is spunky now. Or several people have converted it to single prop surface drive - do a search on the High Wind on this forum. But to hop it up (brushless) you would need two B/L motors, two esc's, and a stick transmitter with 'V' tail presets. They do this with Tug boats and some planes. Gets real pricey!

If you know the speed (kv) or number of windings of the stock motors, you could get faster (lower number of windings) brushed motors but you still won't know if the esc/receiver will handle the amps required until you try it. Another fella on Youtube has tried 9.6v batteries (8c) with the stock radio with success - but it didn't appear to go very much faster. I'd like to see someone get these to go faster cheaply. If you try it and it fries the radio, I've still got the (new - never used) guts & radio to the Viper here somewhere and you're welcome to it. Just post your build and lots of pics! Sdg.

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