Difference between a 1515 1Y and 1515 2Y? - RC Groups
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Sep 03, 2012, 06:38 PM
RC Addict
Raydee's Avatar

Difference between a 1515 1Y and 1515 2Y?

I am running a 1515 1Y in one of my boats using 4s5400mah cells. The boat is a rocket but the run times are pretty low. I am thinking about going to a HV setup using two 4s packs in series for 8s. Since I am doubling the voltage I would need to run the 1515 2Y motor with half the KV of the 1Y. Are the two motors identical besides the wind or are they built differently?
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Sep 05, 2012, 01:25 PM
Registered User
sneu's Avatar
That would be pretty much the case--double the voltage--1/2 the Kv and half the current--with the same prop. Motors have the same stator and rotor.

Sep 05, 2012, 01:32 PM
RC Addict
Raydee's Avatar
Now I have to try and figure out how many milliamps I can drop going from 4s to 8s. Right now I am running 5500mah and if I go 8s I think the largest pack I can fit is a 3000 mah. That may be to much of a drop though.

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