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View Full Version : New PB BJ-24!! Yeah Baby!



ray schrauwen
09-13-2014, 11:18 PM
http://www.proboatmodels.com/Products/Default.aspx?ProdId=PRB08007#parts

Check it out, the new one is out soon! Loving this. Comes with brushless motor and esc...

I was bummed that the MG24 got axed but, this I like better in some ways.

fwlbp
09-14-2014, 09:02 PM
Whoa, this cool. A big upgrade over the mg24. Wonder how it compares to the aquacraft wildcat, sounds like time for a race! :-)

3-UP
09-14-2014, 09:32 PM
Looks nice I like the upgraded hardware over the Geico 24

ray schrauwen
09-15-2014, 08:32 PM
Sponsons and interior are different too. Not sure I like the interior but, good news is they sell the hull & Canopy on it's own so I can use my own bits and pieces...

pukpquango
09-19-2014, 10:18 PM
Sponsons and interior are different too. Not sure I like the interior but, good news is they sell the hull & Canopy on it's own so I can use my own bits and pieces...

I hate to think how much it will cost in the UK, but it's interesting me too and for the same reason....

Pro Boat's website gallery doesn't seem decided on whether it's being issued with a cooling jacket or coil..... The fit of some of those cooling lines looks sketchy too.... Motor mount not available separately from spares....

ray schrauwen
09-23-2014, 08:46 PM
Motor mount is funky 4 sure.

revoltrunner
09-24-2014, 08:45 AM
they have the motor listed as 2400kv and 2000kv.
I wonder which it is....
http://www.proboatmodels.com/Products/Default.aspx?ProdID=DYNM3900

ray schrauwen
09-24-2014, 12:50 PM
My best guess is that it comes with a 2000Kv motor that's cooled by aluminum tube or a water jacket and the 2400kv motor is an upgrade. Eventually we will hear more about the boat in October.

785boats
10-27-2014, 05:45 PM
Looks like it's been released.
http://www.amain.com/Radio-Control-RC-Boats-Kits/c956

ron1950
10-27-2014, 06:02 PM
so much for all the crying about the new dynamite 2000kv motor not being in a rtr boat ...guess it will be legal motor now

Doby
10-27-2014, 06:34 PM
Specs list it at 2400 kv...

Type:Brushless InrunnerSize:540Bearings or Bushings:Two 5 x 13 x 4mm BearingsVoltage:4.5V-12.6VRPM/Volt (Kv):2400KvResistance (Ri):26.5+/-2.5Cells:4-9 cells NiMH/NiCd 1-3 cells LiPo/LiFeWeight:5.22 oz (148g)Overall Diameter:1.41 in (35.8mm)Shaft Diameter:0.20 in (5mm)Shaft Length:0.59 in (15mm)Overall Length:1.97 in (50mm)

ron1950
10-27-2014, 06:57 PM
have to see as usuall proboats people cant figure what they have in it...the proboat site says its 2000kv so just have to see

DBJr
10-27-2014, 06:58 PM
I've got one coming and it's supposed to be here tomorrow.

Can't wait.:biggrin:

ron1950
10-27-2014, 07:49 PM
nice let us know what motor comes in it pls

kfxguy
10-27-2014, 08:11 PM
I just wonder if they fixed the wawawawa....
This would be nice to add to my collection if so. I wouldn't want to go sanding on a brand new boat.

DBJr
10-27-2014, 08:51 PM
nice let us know what motor comes in it pls

Sure, will do.

What I'm really interested in seeing is if there is a cooling coil or water jacket on the motor. The pics on the Proboat website showed a coil. While a coil works fine, I'd prefer the water jacket.

I also ordered the 1.34 x 2.06 stainless prop Proboat offers. I'll try that after the first run or two. Note, these are the exact same dimensions as the stock plastic prop.

I'm really glad they came out with this. I REALLY wanted the Blackjack 29 but really couldn't afford the $400 price tag for the boat itself and about $100 or so for the 2 batteries that are required to run it.

TheShaughnessy
10-28-2014, 01:38 AM
so much for all the crying about the new dynamite 2000kv motor not being in a rtr boat ...guess it will be legal motor now

This isn't the motor that would be used for p limited. It only a 3 cell motor

ray schrauwen
10-28-2014, 06:20 PM
It's not necessarily a 3S motor, it can run on 4S fine BUT, not with props like a BJ29 or the New larger Dynamite motor because this one is a tad smaller (10mm) and does not handle the same amount of power. The esc is also only 30 amps so lets see, 30amps x 14.8V = 444 Watts. Don't prop up or something will go. try a prop that is smaller than stock but, metal.
This isn't the motor that would be used for p limited. It only a 3 cell motor

Doby
10-28-2014, 07:43 PM
Any generational change of an approved motor, or a motor that
is used in a Ready To Run (RTR) offering from a manufacturer
that produces over 100 units of said offering, as long as there is
no more than a 5% increase in any of the following
manufacturers specifications as compared to any single
approved motor: Kv, maximum constant amperage rating,
mass, and MSRP.


if its actually 2400 kv, then its NFG for the current NAMBA rules for KV.

DBJr
10-28-2014, 08:19 PM
Just received the boat and it is indeed a 2000kv 4 pole motor.

Overall, the quality of everything looks great.

I noticed that the prop on this thing is big. The stainless 1.34 x 2.06 stainless one I ordered as an extra appears to be smaller and I don't think it will fit onto the shaft. It appears that it might be the same one (only plastic) that is used on the BJ29.

I'll post some pics later.

T.S.Davis
10-28-2014, 08:36 PM
Drop in a 1415 in the 3600 KV range and run it in offshore on 2s.

That's pretty cool.

ray schrauwen
10-28-2014, 08:43 PM
So I'm wrong again!! Dang... Oh well... Better keep to absolutes from now on...


Just received the boat and it is indeed a 2000kv 4 pole motor.

Overall, the quality of everything looks great.

I noticed that the prop on this thing is big. The stainless 1.34 x 2.06 stainless one I ordered as an extra appears to be smaller and I don't think it will fit onto the shaft. It appears that it might be the same one (only plastic) that is used on the BJ29.

I'll post some pics later.

Please measure the prop diameter for us too please, thanks!

DBJr
10-28-2014, 09:40 PM
Ok, here's some pics.

I hope to get some video on Thursday when I can run this for the first time. Working all day tomorrow.

122649122650122651

kfxguy
10-28-2014, 09:51 PM
That esc is cute!

Spartanator
10-28-2014, 10:19 PM
That esc is cute!

It's almost the size of the switch!

ray schrauwen
10-29-2014, 12:16 AM
*The motor can handle 4S but, the esc only works up to 3S.

DBJr
10-30-2014, 10:53 PM
Please measure the prop diameter for us too please, thanks!

The prop appears to be approximately 1-5/8 inches in diameter. Basically the same as the BJ29 prop. The pitch I'm not sure of as I don't have any way to accurately measure it.

Ran the boat twice. Ran great on a 5100 mah 7 cell nimh pack. I admit it's rather old school but since I live in an apartment at the moment, I haven't made the switch to lipos yet but would love to in the future.

Since there is an electrical outlet right near the front door, I bet I could charge the pack there. That way if the pack exhibited some weird behavior, I could easily toss it outside before it self destructs.

My fiancee managed to get a video. I'll upload it in a bit.

ray schrauwen
10-31-2014, 11:12 AM
That's approx. 41mm prop. most likely a 1.4 pitch. Nice, thanks for the update!

DBJr
11-16-2014, 01:34 AM
Now that I've had several successful runs with this boat, I'm thinking about upgrading to a metal prop.

I'm thinking about trying the Grimracer 40x53 prop. Just wondering what y'all think. I'm still running the stock 30A ESC and motor. The motor I'm not concerned about but I would prefer NOT to fry the ESC if possible.

JackBlack26
11-17-2014, 07:37 PM
I just wonder if they fixed the wawawawa....

You can fix that yourself by adjusting the strut so it sits 2-3mm above the ride pads. That's for any cat that does that. They do that because the boat is trying to lift, hydroplane, but the prop is too low in the water.

kfxguy
11-17-2014, 08:15 PM
You can fix that yourself by adjusting the strut so it sits 2-3mm above the ride pads. That's for any cat that does that. They do that because the boat is trying to lift, hydroplane, but the prop is too low in the water.

You sure? Why is it people remove the "hook" or warpage from the ride pads and it stops? Weird.

kfxguy
11-17-2014, 08:18 PM
The prop appears to be approximately 1-5/8 inches in diameter. Basically the same as the BJ29 prop. The pitch I'm not sure of as I don't have any way to accurately measure it.

Ran the boat twice. Ran great on a 5100 mah 7 cell nimh pack. I admit it's rather old school but since I live in an apartment at the moment, I haven't made the switch to lipos yet but would love to in the future.

Since there is an electrical outlet right near the front door, I bet I could charge the pack there. That way if the pack exhibited some weird behavior, I could easily toss it outside before it self destructs.

My fiancee managed to get a video. I'll upload it in a bit.

Your being waaaay to scary with the lipo bit. You should charge your cell phone outside too since it has a lithium battery too...lol. seriously, if you get a good charger, good batteries and a lipo charging sack, you'll be just fine. Stay away from the cheapie specials on lipos and chargers. Stick with reputable stuff. Do it! You'll be glad you did, there's no comparison in the power difference. The main failures come from over charging, shorting or over discharging the batteries.

DBJr
11-17-2014, 09:02 PM
Your being waaaay to scary with the lipo bit. You should charge your cell phone outside too since it has a lithium battery too...lol. seriously, if you get a good charger, good batteries and a lipo charging sack, you'll be just fine. Stay away from the cheapie specials on lipos and chargers. Stick with reputable stuff. Do it! You'll be glad you did, there's no comparison in the power difference. The main failures come from over charging, shorting or over discharging the batteries.

Sounds good.

It's not that I'm afraid of Lipos - my two quadcopters use little 1S ones - I've only been in the boat hobby for about 2 years now and haven't upgraded yet but I plan to in the very near future.

I was thinking about trying the new Dynamite Reaction 50C lipos. Never heard of one puffing.

JackBlack26
12-03-2014, 04:13 PM
You sure? Why is it people remove the "hook" or warpage from the ride pads and it stops? Weird.
I'm positive. I've had 4 different variations of the MG hull, and I worked it all out with drive hardware adjustment. Weird.
Not saying blue printing doesn't help, but it's hard to blueprint this ABS hull, which is what we are talking about. Or am I in the 29" boat thread?:confused2:..........no, it's still the 24 ABS boat thread.

JackBlack26
12-03-2014, 04:15 PM
I was thinking about trying the new Dynamite Reaction 50C lipos. Never heard of one puffing.
They have a 1 year warranty too. Don't change the connector and keep your receipt.

DBJr
12-05-2014, 10:51 PM
Got a lipo charger and Dynamite Reaction 5000mah 3S 50C lipo coming for Christmas. Good thing too because I somewhat melted the shrink wrap of the Nimh battery I had been using - motor and ESC were still cool to the touch though.

I just wonder how well the stock 30A ESC will stand up to a 3S lipo.

If something happens, I'll probably go with the Seaking 60A or 120A ESC.

tjdabomb
01-19-2015, 11:59 PM
Just in size alone, I wouldn't trust that ESC. the cooling block on my SK 120 is bigger than that ESC! haha

DBJr
01-20-2015, 01:45 AM
Just in size alone, I wouldn't trust that ESC. the cooling block on my SK 120 is bigger than that ESC! haha

I eventually plan to upgrade it to something more robust but for now it seems to work. I've now got several 3S lipo runs on this boat and the ESC hasn't skipped a beat. Gets a bit warm to the touch but nothing that I'd call hot. I'm even running a Prather B215 prop with no problems also.

I've noticed the 3S 50C lipo runs MUCH cooler than the Nimh ever did!!!

tjdabomb
01-21-2015, 02:59 AM
the nimh is complete junk. when i had my stock mg24, that battery would only push this boat 3 mph.

that's right, you read that correct, 3 mph. I swapped in a 2s 30c 5000mah in that stock setup, no other change and got 16 mph. I know, 16 mph isn't earth shattering but its a huge jump from 3 mph. the real fun happened when i grew tired of that brushed motor and went 4s1p. :) POOF went the motor after 30 feet.

DBJr
01-21-2015, 04:24 PM
the nimh is complete junk. when i had my stock mg24, that battery would only push this boat 3 mph.

that's right, you read that correct, 3 mph. I swapped in a 2s 30c 5000mah in that stock setup, no other change and got 16 mph. I know, 16 mph isn't earth shattering but its a huge jump from 3 mph. the real fun happened when i grew tired of that brushed motor and went 4s1p. :) POOF went the motor after 30 feet.

I bet that one sheared the brushes right down to the comm.:wink:

tjdabomb
01-23-2015, 12:10 AM
haha, it was smokin like a forest fire.