Nue-Castle 1515 Y1 2200, Timing and Set up help

[turbomania]

I have been half the summer setting up my Motley, Aero and Trim are finally were I need them to be, runs low 70's very well for what it is.
Now to get the temps down and run times up. I am running 2, 3S, 6000/35C packs. 4 minutes run time with the M445 puts me at, motor 160f, ESC 140f, Packs 100f. Thats with 15° timing. On 4s everything stays near 100 except the packs. Way hot, 140f.
It does have dual pick ups, didn't make any difference.
Will prop down today and play with timing. Any ideas or advice would be great...
This Y motor is a mystery to me.


Thanks Joe

[kevinpratt823]

Is that (2) 2s packs in series? If you can fit a couple 4s(4000-5000mah) packs in paralell they would share the load and run cooler, otherwise you're already pushing a lot of the limits with that setup, at 14.8v you're pulling a lot of amps to go that fast. The motor will run best at about 15 deg, a couple deg more or less may make the motor run a bit cooler, but that's probably about it.

[martin]

What connectors do you have on the batteries, what make of battery also I would be using higher c rating than 35c.

[Rumdog]

70mph with 4s and m445? How?

[turbomania]

Sorry everyone, left out the most important part... I am running 6S. 2, 3S, 6000/35C ...
Ran boat 4 times so far today, went down to a 42-55 Prop. Motor 145/150f, ESC 130f, not much cooler ??? Dropped timing down to 11°, same temps, timing at 7.5 same thing... Losses 2/3 mph on each timing drop.

[Heaving Earth]

There's your problem. 6s is too much really

[Chilli]

The problem on 6S is you are working way over the motors most efficient RPM. That means building up heat really fast so run times have to be very short. Your motor is much more comfortable on 4S and your temperatures show that. Are you running to low voltage cut off??

[kevinpratt823]

There's your problem. 6s is too much really

Especially for 4 minute runs. You may want to check your temp gun, I would think you would be getting much higher readings with that kind of setup, 48,000 rpms (especially with a 45mm) prop is a LOT to ask of that equipment even for just a couple passes. If you want the stuff to last, I would stick with 4s(quality packs), or get a lower kv motor(1600kv max on 6s for me). If you want to do 70+mph for 4 minutes, you may want to consider a more sturdy hull/setup, or at least do some reinforcing on the one you have, as a RTR hull will not handle too many crashes/blow-overs at that speed.

[turbomania]

There's your problem. 6s is too much really

Agree !!! I like too much :)

[turbomania]

The problem on 6S is you are working way over the motors most efficient RPM. That means building up heat really fast so run times have to be very short. Your motor is much more comfortable on 4S and your temperatures show that. Are you running to low voltage cut off??

LVC is off, I do timed runs. 2 minute and 4

[Chilli]

It's fine that you do timed runs but the time has to be based on temperatures and how many mah you are sucking out of the packs. Do you know what voltage your cells are at when you put them on the charger? You may be over discharging them which would cause excessive heat, reducing their life and putting stress on the ESC.

[turbomania]

Especially for 4 minute runs. You may want to check your temp gun, I would think you would be getting much higher readings with that kind of setup, 48,000 rpms (especially with a 45mm) prop is a LOT to ask of that equipment even for just a couple passes. If you want the stuff to last, I would stick with 4s(quality packs), or get a lower kv motor(1600kv max on 6s for me). If you want to do 70+mph for 4 minutes, you may want to consider a more sturdy hull/setup, or at least do some reinforcing on the one you have, as a RTR hull will not handle too many crashes/blow-overs at that speed.

The gun is off about 5 degrees, checked it against a K type TC at work...
This thing is parts and pieces I rounded up for $300, as I am finding out , not the ideal combo... It's my cheap learning boat. :) it has survived lots of trial and error lower speed crashes, while figuring out the Aero and trim. It is just about toast from 55.mph blow overs. Now that its runs safe on the water, I am trying to learn more about this motor so next season I can put it all in a nice hull.
Thanks everyone for your advice and many many awesome post that have helped a newbie learn a lot in 2 months... The wiper blade trick is the best.. THANKS !!!
Sorry to ramble on....

Joe

[Wetter]

70mph with 4s and m445? How?

I Love The Rumdog!
Twissted is 2nd.
hey! i mean i have almost read every damn post here( on OSE) you guys crack me up but i have learned a lot from you guys you just can not put them in a box and secure it. There are others but you two have to be the the most complex minds on here.
I admire that.
this site is truly one of the most fun.

[turbomania]

It's fine that you do timed runs but the time has to be based on temperatures and how many mah youcould be sucking out of the packs. Do you know what voltage your cells are at when you put them on the charger? You may be over discharging them which would cause ece2ssive heat, reducing their life and putting stress on the ESC.

A 4 minute run with the M prop uses about 75% of the pack. With less prop it's about 60%. Before using a .187 shaft i could not run a decent prop or run times were less, broken shafts and lots of adjustments. Now that it's dialed in, I'm able to push things harder.

Joe

[tlandauer]

70mph with 4s and m445? How?

The OP ORIGINALLY ( before the edit!) did not say it is on 6s, legit questioning.

I Love The Rumdog!
Twissted is 2nd.hey! i mean i have almost read every damn post here( on OSE) you guys crack me up but i have learned a lot from you guys you just can not put them in a box and secure it. There are others but you two have to be the the most complex minds on here.
I admire that.
this site is truly one of the most fun.

Am I missing something here???
Mr. Rummler here has built boats that run very fast, not to mention that his cable turns the right way and therefore doesn't come unraveled...
That must be it, I had a long day, good night folks!