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Author Topic: Wasabi 900e running gear ( Fast electric )  (Read 17634 times)

Gaci4

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Re: Wasabi 900e running equipment
« Reply #100 on: August 01, 2017, 10:33:22 AM »

Chines and spray ways
So is there 3 on each side triangular in shape one right on the edge, looking at the photos you both have provided are the diamentions parallel and vertical surface to the base board 5mm x 10mm ?


Martin, what quality are the rudder parts and shaft holders like from prestwich model boats ?


Grant
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pompebled

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Re: Wasabi 900e running equipment
« Reply #101 on: August 01, 2017, 01:54:29 PM »

Hi Grant,

Please take Martin's advice and omit the strakes and just add the sprayrails.
If it turns out the boat runs too wet, you can always add strakes.

The hardware Prestwick sells is Chines made, sold at UK prices.
But, you can also expect service and warranty from a UK seller, something that's not always obvious when you buy from China.

Regards, Jan.
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #102 on: August 01, 2017, 02:17:17 PM »

Cheers Jan. Yes Its easier to add than remove.
Grant
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martno1fan

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Re: Wasabi 900e running equipment
« Reply #103 on: August 01, 2017, 03:09:53 PM »

Maybe you can see the shape a bit better in this pic.Should you decide you need to add some id just add one either side centrally between side and keel and stop it 4-6" short of the transom and maybe 3rd of the way from the bow that should work .The reason the Apaches i build have them all the way forward is because they are big boats and need every bit of lift they can get to get moving .Once the boats on plane theres not much hull left in the water to be honest  :} .
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #104 on: August 02, 2017, 06:33:54 PM »

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pompebled

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Re: Wasabi 900e running equipment
« Reply #105 on: August 02, 2017, 08:21:41 PM »

Yep.

Make sure to order the programming card along with it.
Programming the ESC via the beeps is no fun...
http://www.ebay.co.uk/itm/Flycolor-ESC-Programming-Box-Program-Card-For-RC-Brushless-Car-Boat-Model-/222547683768?hash=item33d0e029b8:g:rtwAAOSw1BlZQzas

Regards, Jan.
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #106 on: August 02, 2017, 08:25:35 PM »

Yep remembered what you said got card as well same seller. So that's esc,card,servo now just the motor,lipo,drive shaft,prop,rudder, etc etc
Grant  %%
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martno1fan

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Re: Wasabi 900e running equipment
« Reply #107 on: August 02, 2017, 10:11:11 PM »

Check this motor it might be ok for your boat it is an outrunner so you might want to use a water cooled mount and a small fan for cooling, no biggy you can buy em cheap and run on a small lipo.Outrunners have more torque for their size than inrunners,this ones on sale .

https://hobbyking.com/en_us/4362-1300kv-1994w-brushless-motor-suitable-for-hydropro-inception.html
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #108 on: August 03, 2017, 02:18:24 AM »

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Gaci4

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Re: Wasabi 900e running equipment
« Reply #109 on: August 03, 2017, 04:12:14 AM »

LEOPARD 4 POLES 4074 2150KV BRUSHLESS MOTOR
[/size][/color]
LEOPARD 4 POLES 4082 1250KV BRUSHLESS MOTOR
[/size][/color]
LEOPARD 4074 2000KV 4 Poles Brushless Motor
[/size][/color]
[size=0px]Boldclash 4092 1250KV Brushless Motor and Water Cooling Combo Set for [/size][/color]
[/size][/color]
[/size][/color]
[size=0px]Hi Martin can you see if any of these motors at suitable. Cheers[/size][/color]
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #110 on: August 03, 2017, 05:50:26 AM »



Hi Martin.  sorry to keep checking this seems the best motor I've found for budget. Is if any good.

LEOPARD RC Model 4082 KV2000 4 Pole
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martno1fan

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Re: Wasabi 900e running equipment
« Reply #111 on: August 03, 2017, 06:59:56 AM »

4074 is too small for an inrunner they dont have the torque for your sized boat ,a 4082 would work but id be looking at a kv around 1500 rather than 2000 if your running 6s.
dif between an in runner and out runner is the inrunner is an enclosed can the moving parts are internal the outrunner the whole can spins which creates lots of torque so although the one i linked is less kv it has tons of torque and will spin a bigger prop .You dont want to go too big on props though but if you check out the video of the hull its meant for they run really well at over 50 mph .
https://www.youtube.com/watch?v=9f0Aun0Lv4E
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bj

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Re: Wasabi 900e running equipment
« Reply #112 on: August 03, 2017, 07:33:49 AM »

Picture of my first build WASABI with strakes at speed but this one was powered by a 4cc nitro engine
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #113 on: August 03, 2017, 07:56:35 AM »

I got the impression from jan that the higher the kv the better, but if your saying 4082 - 1600 inrunner is ok I may get that one. I was looking at the leopard range and turnigy range on hobbyking.
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #114 on: August 03, 2017, 08:02:27 AM »

Found this one on HK that fits the parameters

Turnigy XK-4082 1450KV Brushless Inrunner

Grant
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #115 on: August 03, 2017, 08:17:27 AM »

These batteries are on sale are they any good ??.  On for 24.00

Turnigy nano-tech 6000mah 3S 25~50C Lipo Pack

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pompebled

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Re: Wasabi 900e running equipment
« Reply #116 on: August 03, 2017, 08:17:44 AM »

I got the impression from Jan that the higher the kv the better
Hi Grant,

That is not what I said, read back my posts: rule of thumb is to aim for 28.000 - 32.000 rpm under load.
Running on 6S this, restrics the number of motors suitable (1450 - 1800Kv), considering you don't want to turn huge props with ptopwalk and torque issues in mind...

Regards, Jan.
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #117 on: August 03, 2017, 08:22:08 AM »

So is the 4082-1450 no good ? I know the longer it is there's more torque?
Did you see post about battery any good
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #118 on: August 03, 2017, 08:35:55 AM »

I realised I need a 6s battery not 3s so if I've got this correct ive to aim for 1 that is high mah over 5000, 6s, and a high c found this 6000mah 6s 25~50C  :-)) {:-{
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pompebled

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Re: Wasabi 900e running equipment
« Reply #119 on: August 03, 2017, 08:49:37 AM »

Hi Grant,

Like I mentioned before, either a single 6S pack, or two 3S packs wired in series, the motor doesn't care where the power comes from, as long as it can deliver the current it draws.

I'd also look for HRB Lipo's, I'm currently running them in my fast electrics, very good for their price.

Packing the car to go boating abroad now.

Regards, Jan.
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #120 on: August 03, 2017, 08:51:48 AM »

I'll have a look at them ones
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martno1fan

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Re: Wasabi 900e running equipment
« Reply #121 on: August 03, 2017, 12:18:03 PM »

So is the 4082-1450 no good ? I know the longer it is there's more torque?
Did you see post about battery any good
Yes that kv and size will work perfect its in the ballpark as we keep saying 30 k rpm or as Jan said between 28-32 is safe .Put a link up to the motor and i can see which motor it is.
I have a few of these lipos theyre pretty good for the money.
https://hobbyking.com/en_us/zippy-compact-5800mah-4s-40c-lipo-pack.html?wrh_pdp=1
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Gaci4

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Re: Wasabi 900e running equipment
« Reply #122 on: August 03, 2017, 12:25:39 PM »

I do apologise for keep checking different motors, I have a few medical condition and the medication I take can make me totally forget or get confused over the easiest of things, but if I didn't try I'd go mad.
I'm going to get that motor 4082-1650kv which will go well with the flycolor 150amp esc I've ordered.
What lipo 6s should I be looking for I know the mah needs to be above 5000 but with relation to the discharge rate would 25C be ok or does it nčed to be higher? Grant
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martno1fan

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Re: Wasabi 900e running equipment
« Reply #123 on: August 03, 2017, 12:28:19 PM »

Is it this one? if so its a car motor,the wires coming out the side is a giveaway,it will work but car ones dont have the torque the boat versions do,ive used leopard ones before and they work ok,your not racing anyway so i think it would work ok .
https://hobbyking.com/en_us/turnigy-xk-4082-1450kv-brushless-inrunner.html
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