What went wrong?

[javierecr]

Hi, I am trying to figure out want went wrong.

I am new to FE and I went out today for my first run with my brand new Genesis.

First, let me post my setup.

Genesis cat with Leopard 4074 1400 KV, Turnigy Marine 180A, Prather S-225 propeller.

The first run I did with 5S, (a 3 and 2), I felt it wasn't fast enough so quickly brought it back to change the 2S with a 3S of the same capacity and check the temps, motor and ESC both at about 125F. Put it back in the water and after just 5 seconds the boat stops and I see a small cloud of smoke........2 more seconds and a big cloud

Isn't the seaking rated to handle 6S? Should I get another seaking 180A or something higher? What would be the next steps?

[Make-a-Wake]

The s225 is way too big for that setup............................an s215 or an x442 would have been much better.................... The amp draw was HUGE...................Its not the T180 that was the problem, they are great ESC's

[dasboata]

Hi, I am trying to figure out want went wrong.

I am new to FE and I went out today for my first run with my brand new Genesis.

First, let me post my setup.

Genesis cat with Leopard 4074 1400 KV, Turnigy Marine 180A, Prather S-225 propeller.

The first run I did with 5S, (a 3 and 2), I felt it wasn't fast enough so quickly brought it back to change the 2S with a 3S of the same capacity and check the temps, motor and ESC both at about 125F. Put it back in the water and after just 5 seconds the boat stops and I see a small cloud of smoke........2 more seconds and a big cloud

Isn't the seaking rated to handle 6S? Should I get another seaking 180A or something higher? What would be the next steps?

Bummer man that looks like a lot of damage I am sorry for you bro !!

[keithbradley]

I've never actually owned a T-180, but I can tell you a Swordfish 240HV will take that setup all day long.
I would run 6s2p with that setup though.
It probably would have even went faster with a s220 or the s215 Make a wake mentioned. I dont think you have enough battery (or possibly motor) there to turn a s225 at that RPM. My Leopard 4082 seemed to reach its limit with the s225, so I would assume it might be a bit much for the 4074.

[6sHyper]

considering your temps were 125f on esc and motor after just a quick run on 5s, i'm a little confused why you would be so quick to go to 6s?? Heck you probably would have gone faster on a smaller prop. I haven't had my T-180 over 90f yet on 6s even after 6 mins of running.

Either way that sucks, sorry for your loss, also when checking your temps the motor wires are usually the hottest, so be sure to check them not just the motor and esc casings.

[keithbradley]

Try something alcohol based on that hull, your batteries, everything that has that black paste of death on it (and smell that lives forever). Ive even taken it offf with RainX before just because its what I had in front of me. If that doesnt work easy off over cleaner is really good stuff, but Ive never needed it on a boat so test a small spot and make sure it doesnt do anything crazy. Hopefully you can salvage everything but the esc.

With chinese stuff, especially the lower cost stuff like Seaking, you will sometimes run into a product that just wasnt assembled correctly (poor solder connections, ect). You were probably at the limit of that esc with your setup, but sometimes guys run hot setups and they last...just luck of the draw. I say give yourself a little more headroom and go with the sworfish 240HV. I've also ran a castle ICE 160HV with great luck. Those things can take a pounding much beyond the 160A rating.

[johnson22456]

considering your temps were 125f on esc and motor after just a quick run on 5s, i'm a little confused why you would be so quick to go to 6s?? Heck you probably would have gone faster on a smaller prop. I haven't had my T-180 over 90f yet on 6s even after 6 mins of running.

Either way that sucks, sorry for your loss, also when checking your temps the motor wires are usually the hottest, so be sure to check them not just the motor and esc casings.

This has been my experience with the 180's too. I ran 2 yesterday on 6s and neu 1521 1.5d's with peaks in the 170a range, but my temps were under 100f. Seems your temps were to high and a cap let go. I would say prop it a little more conservatively and try it again. I don't think a swordfish would have liked the high temps either.

[keithbradley]

This has been my experience with the 180's too. I ran 2 yesterday on 6s and neu 1521 1.5d's. Seems your temps were to high and a cap let go. I would say prop it a little more conservatively and try it again. I don't think a swordfish would have liked the high temps either.

125F? I wouldnt call that a high temp. If an esc cant run at 125F, I wouldnt run it. I've ran my Swordfish 240 at a higher RPM, pushing a bigger hull, with a s240 and x457 props, so I wouldnt be worried about a s225.
He says it fried 5 SECONDS into running it after switching batteries...that doesnt sound like temp build up from a 47mm prop. Maybe a short would do that...or POOR quality soldering in one of your components.

Im not buying that this esc baked at 125 degrees and was gone in 5 minutes. And I dont think Ive ever ran ANYTHING where the esc didnt reach 90F. Unless it was a very short run in cold temps. I have had escs over that just sitting in the boat in the summer, before even running.

[johnson22456]

It's obvious your a fan of the swordfish controllers, but thats not the issue here. You dont have to BUY the reason the speedo let go was heat,but if the speedo was 125f the caps were a lot hotter.

[Make-a-Wake]

So............we have too large a prop..................a motor trying to pull in the 200+ amp range spinning that monster....................an ESC rated at 180a..........and batts that provide 165a constant.............a recipe for

[lectriglide]

IMO if you are running an esc at the max recommended voltage, you should be ultra conservative on the setup, at least to start. Others have documented blowing the T180 on 6S. Read the thread below. Questtek (Joe) has done a lot of testing on various electronic components and always has good advice. IF you are getting another T180 and going to run 6S, I would definitely add additional caps. A little too late but some patience and research could have saved you from that dreaded STENCH you are unfortunately dealing with now.

http://forums.offshoreelectrics.com/...ad.php?t=21429

[javierecr]

Thanks all for all the useful information. It appears the culprit was indeed the large prop.

What setup would you guys go with, S-220, X645, X642?
Should I buy another Seaking 180A?

Thanks again

[lectriglide]

What setup would you guys go with, S-220, X645, X642?
Should I buy another Seaking 180A?

Thanks again

See post #2 - good advice.

[Make-a-Wake]

Thanks all for all the useful information. It appears the culprit was indeed the large prop.

What setup would you guys go with, S-220, X645, X642?
Should I buy another Seaking 180A?

Thanks again

s220 - NO
x645 - NO
x642 - "may" work.................

x442 - will work....................

[javierecr]

Is there a prop chart or something to go by when selecting a prop based on motor, voltage, etc.?