3s and 4s set up - HeliFreak
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Old 05-23-2010, 03:46 PM   #1 (permalink)
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Join Date: Apr 2009
Location: Ft Rucker, AL
Default 3s and 4s set up

I want to get a set up that allows me to run both 3s and 4s but want to ask if thats even a possibility. I have 3x4s packs not being used.I was looking at getting this set up...What do you guys think?

Scorpion HK-2221-10 V2 (3000 KV) Trex 450 (4S)
Castle Creations Phoenix Ice 50A 8s (33.6V) Brushless ESC
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Old 05-23-2010, 04:40 PM   #2 (permalink)
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A popular motor used for both 3 and 4S is the 2221-8.

I ended up preferring the Neu 1107H/2Y, which gave me great power and a minute more flight than the -8.

You will not be able to just swap between 3 and 4S (unless you don't mind a really low HS with the 3S packs). You'll have to swap pinions along with the packs.
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Old 05-23-2010, 05:21 PM   #3 (permalink)
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Whats a good pinion for a 4s. Im running a 13 with my 3s
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Old 05-23-2010, 09:15 PM   #4 (permalink)
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I ran an 11t pinion governed with a Jazz ESC for 3300-3400HS.

Non-governed, you'd need a 10t most likely.
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Old 05-23-2010, 09:25 PM   #5 (permalink)
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Okay thanks, I'll try to make up my mind on what to run...
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