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Hunter 69"

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Old 08-20-2012, 07:25 AM
  #1
Mario Giordano
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Default Hunter 69"



Hello guys, i finally decided and took this hull that is a long time that I wanted. Mart, from waveriders models, told me some time ago why not try an electric? So i'm thinking to do it, i know that this is a very big boat but someone has already done it (video) so why not try myself. I had seen some motors arround, but my main target is the running time, here in italy i was advised to use brushed motors to have greater running times, becouse brushless have more power consumption, what do you think? What kind of setup do you think is better for this boat? Consider that i will mount z-drives on it.
Here are some pics. Thanks

Regards

http://www.youtube.com/watch?v=7Z5A1ll-Uds

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Old 08-26-2012, 01:18 PM
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Default RE: Hunter 69

Well, 82 views and not even 1 reply,  maybe i'm in the wrong place.
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Old 08-26-2012, 03:27 PM
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Default RE: Hunter 69

All hope is not lost haha.

How fast do you want to go? A very popular electric setrup (for good reason) is running a Leopard motor, with perhaps a fightercat or Castle Hydra esc are popular choices. Brushed motors won't be feasable at all for a 69 inch hull. To get good run times, your going to need a parrelel battery connector, which makes it so two batteries equal the voltage of one, but it gives you twice the amount of run time. It's expensive, but if you want runtime it's what you have to do.

A good setup would be:

Single or twin 730Kv Leopard 5692 motors

Single or twin castle hydra HV 240amp esc's

4 12s batteries (two will be run parrelel)

This will be a heck of alot of power, now that I think about it 10s or 8s in parrel will be more manageable.

Also regarding brushed vs brushless, brushed may take less power but they are far less efficent.

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Old 08-27-2012, 01:36 AM
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Default RE: Hunter 69

Hi Fridge, thanks for the answer, as i said in another forum, i'm not sick of speed and i will be very happy if this boat reaches 40 or 50 mph, like my gas boats. Since i'm more interested in the run time, i was thinking the same setup as yours and 2 10s 5000 mah pack in parallel for each motor in order to have 10000 mah x motor, how much can i run with it?  Someone told me no more than 10 min.[] Is this true?  I would like to reach at least 15 minutes. Is it possible? Remember the z-drives (eat amps) and the weight of the boat, around 15 kg.
Thanks again Fridge.

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Old 08-27-2012, 08:36 PM
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Default RE: Hunter 69

I think 10 minutes is the bare minimum, as in running full throttle for 85% of that time. However, I havn't used the z-drives so I couldn't help you out there. Probobly your best bet for runtime now that I think about it would be 4 batteries of the highest possible voltage. Therefore, the boat would be so fast you wouldn't run it at full throttle very much.

But one thing for sure is that running 75% throttle for your whole run, you won't see much more then 10 minutes.
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Old 09-02-2012, 05:02 AM
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Default RE: Hunter 69

Ok Fridge, that`s good to me, thanks again.
I started to do some work in the hatch, here are some pics.
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Old 09-02-2012, 05:10 AM
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Default RE: Hunter 69

One thing you need to remember with Electric is you need to be able to seal that hatch so its completeley water tight.I think Brushless and lipos is def the way to go,5692 motors might work,voltage is upto you, personally im going with twin 5694 1000 kv motors in my 58 Apache on 6 s moving upto 8s later problem with going upto 10 s is you then need to spend big $ on hv escs.If you choose hig voltage then go with lower kv and larger props.Thats a massive boat youve chosen to go electric on though.
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Old 09-02-2012, 05:32 AM
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Default RE: Hunter 69

Thanks Mart, yes, you're right, as i said in another forum, the inside will be completely isolated  with a plexiglas mod.
About the power, i will start with a 10s conf.  Can you tell me something about the motor you're talking about, the 5694, what will be the price? It's similar to this one, with water cool included?  http://www.horracing.com/product_inf...roducts_id=587 thanks.

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Old 09-02-2012, 07:26 AM
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Default RE: Hunter 69

Hi yes look like the same motors,these are pretty new on the market so as yet no feedback on them that i know of but they seem well made.
Mart
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Old 09-03-2012, 09:40 AM
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Default RE: Hunter 69

This is a very large Fountain replica. A twin setup is the best choice with 10S for each combo esc/motor.. A 600kV motor should be great.
Have a look to the new SKY RC Proteus Marine motors www.skyrc.com/index.php


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Old 09-05-2012, 02:49 AM
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Default RE: Hunter 69

Thanks Rebel, this proteus motor looks very interesting, trying to find the price.
About low prices, have a look at this new big brushlees motor from turnigy, seems a very powerfull monster http://www.hobbyking.com/hobbyking/s...ess_Motor.html
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Old 09-08-2012, 04:30 AM
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Default RE: Hunter 69

Dont like the idea of all those wire configurations i like to keep things simple like me lol.Turnigy make good motors though,twin t 600 outrunners push my 58 apaches to 50 mph on just 6 s.Will do my 5694 twin build over the winter and see how she runs on 6 s i think 55+ is not too much to expect.
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Old 09-08-2012, 06:13 AM
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Default RE: Hunter 69

Turnigy doesn't make anything! It's simply Hobby Kings house name. They rebrand everything. Some of their stuff is good other stuff isn't worth a damn!
If you look around you can find the exact same products from other retailers with a different brand name on it.
A lot of times they sell a knock off product that looks just like somebody else's high quality stuff but at half the price and quality with a Turnigy label on it.
Just cause it looks like a Lehner doesn't mean it will perform like one!
Those "Turnigy" T-600 motors are actually made by Suppo, you can also buy them as FighterCat Racing motors and a number of other places under different labels.
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Old 09-08-2012, 01:28 PM
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Default RE: Hunter 69

All i can say is the T 600 motors are awesome performers and they may not be lehners or even scorpion motors,def not price wise thats for sure but they perform awesome so for the price theyre tough to beat and most def not poor quallity.
Some companys will build a motor for anyone to there own specs and you can then call them what you want theres nothing wrong with that,i could name names but i wont on here.
People can spend 1000s on expensive motors if they wish but the fact is you can get results with cheaper ones so turn your nose up all you like i couldnt care less,a 60 mph boat is a 60 mph boat no matter what the price tag .
Mart
ps dont think i ever mentioned lehner motors in any of my previous posts.
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Old 09-08-2012, 04:36 PM
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Default RE: Hunter 69

The proteus motors are a Lehner knock off.
Never said that the suppo was a bad motor, said it wasn't a made by Turnigy like everything else they sell!
Pretty dumb to say Turningy makes great stuff when all they do is rebadge some quality merchandise and a lot of garbage and manufacture nothing.
I'll gladly put my Lehners, Castle and Neu motors up against anything out there and amp for amp will out perform it and outlast it.
I do own a few cheap motors including a t-600 1940kv version, and run them in sport setups, but they do not perform anywhere near the same as a high end motor.
Data logger does not lie, nor does the GPS. Same props back to back runs with the same brand of batteries, higher amp draws and temps along with a slower boat, means less efficient motor!
60 mph is pointless when everybody your up against is doing 70! I can get over 60 out of a used UL-1 motor in my H&M Drifter S with the old version UL-1 esc!
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Old 09-09-2012, 01:19 AM
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Default RE: Hunter 69

Were talking about large offshore boats here not small boats running on mill ponds, when i said 60 i was talking about a 58" Apache.Im not arguing the Lehner motors may be better ive never seen one not that i would ever buy one.If i can get my 60 mph and run a reliable setup and pay a fraction of the cost then i will do it and be happy im getting as good a speed as the guys running boats costing thousands more.
Oh and while i said 60 mph im sure with the 5694 motors i have here i could quite easily get above 70 if i wanted but then i would need to use HV escs,s and i dont want to do that as im not wanting to go that fast.Im more than happy to run mid 50s in a large boat as im sure Mario would be.
Mart
ps it allways makes me smile when people tell us it wont work and it wont be as fast blah blah,makes it all the sweeter when people prove them wrong.Many didnt think it was possible to get the Apache to anywhere near 50 mph with twin t 600 motors on 6 s,think that one was blown out of the water,best bit was he only used cheap turnigy ooops hobby king err supo escs who cares who made what so long as they work,shes still going strong a year later lol.
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Old 09-10-2012, 10:25 AM
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Default RE: Hunter 69

Yes  Mart, i'll be very happy if i reach 50 mph with this big beast, and more happy if i do it with cheaper motors, i'm not going to spend over 1000 € for 2 lehner 3060, that's for sure, ive seen big boats like popeyes (1.65 m long) runing very fast with 2 leopard 5692 10s conf, also on offshoreelectrics ther's a guy building a big mhz cat, the biggest (over 2.4 metres and 32 kgs) and in his second test he's using TP 5850 9D 820KV, german motors i think (200€) and running very fast, so i think that is posible. My big problem is the running time.

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Old 09-12-2012, 05:27 PM
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Default RE: Hunter 69


Quote:
ORIGINAL: Mario Giordano

Thanks Rebel, this proteus motor looks very interesting, trying to find the price.
About low prices, have a look at this new big brushlees motor from turnigy, seems a very powerfull monster http://www.hobbyking.com/hobbyking/s...ess_Motor.html
are you looking to do twins?
those motors for the price can't be beat..
and running two on 10s would be more than enough power to push this big hull
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Old 09-13-2012, 03:45 AM
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Default RE: Hunter 69

Yes srt10, i will go with 2 motors. Are you talking about the new turnigy, right?
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Old 09-13-2012, 07:35 AM
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Default RE: Hunter 69


Quote:
ORIGINAL: Mario Giordano

Yes srt10, i will go with 2 motors. Are you talking about the new turnigy, right?
yes sir.
two of those on 10s would have way more than enough juice to push this hull into the 50s
I have one of these motors and it will go into my DF39 on 6s with an X452/3 to start
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Old 09-13-2012, 12:13 PM
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Default RE: Hunter 69

With this hull RPM unload must be near 25000 RPM. I thing that 10S per motor is perfect, 8S isn' t enough IMHO. With 10S you need a 675kV motor, if you choose 8S you need a 850kV motor
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Old 09-13-2012, 12:31 PM
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Default RE: Hunter 69

58 Apache on 6S ,910 kv outrunners 50 mph no need to go upto 10 s in my opinion its not all about high voltage.
Mart

http://www.youtube.com/watch?v=5cb9cX4_kw0&feature=plcp
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Old 09-13-2012, 04:11 PM
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Default RE: Hunter 69


Quote:
ORIGINAL: srt10


Quote:
ORIGINAL: Mario Giordano

Yes srt10, i will go with 2 motors. Are you talking about the new turnigy, right?
yes sir.
two of those on 10s would have way more than enough juice to push this hull into the 50s
I have one of these motors and it will go into my DF39 on 6s with an X452/3 to start
with these motors at about 27,000rpms on 10s and 7hp each
more than enough and plenty to spare to run all day with no heat issues with them

and by the way, these Turningy motors can be run on 6s with the 1280kv setup right near 28,000rpms each
and thats the way mine will be ran in my DF39.. io 6s with one of those big motors
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Old 09-13-2012, 05:25 PM
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Default RE: Hunter 69

6S is ok for my 1 meter(39")mono with a CC 1717 1580kV
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Old 09-13-2012, 06:21 PM
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Quote:
ORIGINAL: Rebel bay

6S is ok for my 1 meter( 39'') mono with a CC 1717 1580kV
this motor aint no CC1717 [:-]
but the top one is...
by the way, the CC1717 on 6s in a DF39 mono can run 60mph
so it's plenty more than ok
but the 56102 is the motor that's taking the place of my CC1717
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