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T-REX 450 › 450M and Scorpion 2221-8?
04-09-2011 02:43 AM  6 years agoPost 1
robv

rrApprentice

SoCal

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I am running the stock 450M motor on my 450Pro. I like it... it has enough power for me. However, I purchased a Scorpion 2221-8 motor.

I was told they are almost identical in performance. I pretty much know the differences in specifications, but can anyone with first hand experience with these two motors briefly compare and contrast the two?

I am using the stock ESC that came with the 450Pro at 100% throttle curve. I am also using the pinion that came with the kit, which I believe is a 13 tooth. My packs are Lectron Pro 2200 40C. With this setup I get about a good 4:30 flight, using around 85-90% capacity. I fly mild to aggressive 3D.

Thanks in advance to those who reply.

Team JR | Gens Ace | YS Engines | Scorpion Motors | Pure Tech

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04-09-2011 02:50 AM  6 years agoPost 2
Wingman77

rrProfessor

Pulaski Tennessee

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I don't have experience with the align motor but I can tell you the -8 is awesome, especially since you have it available I would drop it in.

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04-10-2011 02:19 AM  6 years agoPost 3
KCinNC

rrApprentice

Mooresville, NC

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i haven't had any luck finding a 2221-8 in stock anywhere ?

nothing to it but to do it

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04-10-2011 02:27 AM  6 years agoPost 4
Heli 770

rrProfessor

USA.

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I have. But, they wanted $88.00 for it!

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04-10-2011 03:00 AM  6 years agoPost 5
robv

rrApprentice

SoCal

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I have. But, they wanted $88.00 for it!
Did they go up in price? I got mine directly from innovative designs for around $50.

Team JR | Gens Ace | YS Engines | Scorpion Motors | Pure Tech

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04-10-2011 03:06 AM  6 years agoPost 6
Heli 770

rrProfessor

USA.

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No, they did not go up in price. This retailer is apparently price gouging.

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04-12-2011 05:59 PM  6 years agoPost 7
Andy from Sandy

rrElite Veteran

Bedfordshire, UK

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I think the shaft sizes on the motors is different. On the 2221-8 I got Align part numbers HZ054T 13T and HZ053T 12T.

Using a Kontronik Koby set at 80% and 13T pinion I am running a comfortable 3000 rpm headspeed.

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