RunRyder RC Helicopter Topic - E325 Scorpion 2221-8 or 2221-10 (for the motor upgraders)

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Ron’s HeliProz South	.	MTA Hobbies	.	Model Rectifier Corp
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e-Thunder Tiger Raptor E Series > E325 Scorpion 2221-8 or 2221-10 (for the motor upgraders)

HeliMan Dave
Senior Heliman
Location: Chicago

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I'm about to upgrade my MT motor again. This time from a JGF500TH.

The stock MT motor is supposedly 3500kv

The Scorp 2221-8 is 3595kv and the 2221-10 is 3000kv (but is being touted as an E325 replacement motor).

I'm running 3s and have 13 and 14t pinions. Looking for 5-6 min flights at 2900+/-100 HS

What do you guys recommend?

Logo 500 3D / E550 Raptor / E325 mini-Titan / T-Rex 250 / Blade CX-2 / Blade mCX

10-27-2009 03:12 AM

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Heli 770
rrProfessor
Location: Lemon Grove, Ca. USA.

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I don't think the HK-2221-10 is a replacment for the MT, It's more like a 4S motor.

10-27-2009 03:17 AM

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RMG2
Senior Heliman
Location: Oregon, USA

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I fly a 2221-8 on 12T and get 5:15min. flights on 3S 2200mah 25C. I only got 4:00min flights on the 13T eventhough I was flying the same headspeed with both setups (throttle curve changes).

The 2221-10 is a 4s motor. If I didn't have a bunch of 3s batts. already I would go 4S and the 2221-10 with about a 1600-1800mah batt.

10-27-2009 03:19 AM

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HeliMan Dave
Senior Heliman
Location: Chicago

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Thanks guys.

I still have 5 good 3s 2200mAh packs and a JGF500TH on a 14t pinion so I guess I'm going to wait until the packs die and then decide if i still want to upgrade to 4s.

Logo 500 3D / E550 Raptor / E325 mini-Titan / T-Rex 250 / Blade CX-2 / Blade mCX

10-28-2009 12:05 AM

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Heli 770
rrProfessor
Location: Lemon Grove, Ca. USA.

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Was the 500TH better than the stock motor?

10-28-2009 12:09 AM

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HeliMan Dave
Senior Heliman
Location: Chicago

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It didn't get as hot as the stock motor (which was my issue) but power-wise, they are probably pretty close. It's been so long since I've flown the stock motor I can't give you a better answer.

Logo 500 3D / E550 Raptor / E325 mini-Titan / T-Rex 250 / Blade CX-2 / Blade mCX

10-28-2009 12:21 AM

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Heli 770
rrProfessor
Location: Lemon Grove, Ca. USA.

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Thanks!

10-28-2009 12:34 AM

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lloyd
Key Veteran
Location: Port Elizabeth,South Africa

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For a cheap alternative motor better than the stock try the Typhoon 2215....

Heres some info http://rc.runryder.com/helicopter/t...?top=1256917807

10-30-2009 04:52 PM

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Scorpion Power System	.	RCHover	.	HeliDirect
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e-Thunder Tiger Raptor E Series > E325 Scorpion 2221-8 or 2221-10 (for the motor upgraders)

Zaneman007
Elite Veteran
Location: Texas - USA

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The -8 is the hot motor.

The -10 is the hotter motor.

Scorpion motors are high current motors as compared to the stock motor.
I have the -8 with 13T and get 4.5 minutes with 12 degrees of pitch.

Old Guys Rule!

10-30-2009 05:02 PM

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Ron’s HeliProz South	.	MTA Hobbies	.	Model Rectifier Corp
	.		.

e-Thunder Tiger Raptor E Series > E325 Scorpion 2221-8 or 2221-10 (for the motor upgraders)

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