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Old Dec 30, 2010, 12:09 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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I'd say 4540's. I think the trade off of 1/5" diameter for 1" of pitch won't make much difference. But adding 1" of pitch will.

I will pick up some 4540's soon and run some numbers.

Pat
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Old Dec 31, 2010, 08:56 PM
master of the universe
captaingeek's Avatar
USA, CA, Novato
Joined Jul 2008
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Quote:
Originally Posted by AirmanAirhead View Post
Anybody know where you can get the recommended motor (Mini F-22) or a similar one other than HobbyKing? Was hoping to find a supplier in the US
Quote:
Originally Posted by AirmanAirhead View Post
So are we looking for 4040s or 4540?
hmmm mini f22 sounds interesting. hows a 2200kv with 6x4 prop sound?
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Old Dec 31, 2010, 08:57 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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Too much for the mini. The best combo I've found (so far) is the 1806N 2500kv and 4530 prop. It may be a bit better with a 4540 instead, will be trying that soon.

Pat
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Old Dec 31, 2010, 10:00 PM
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Hampton, VA
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Crxmanpat,

Verified the prop is a "4.5x4.5E". If I'm not mistaken, it's an APC prop.

Ksqm
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Old Dec 31, 2010, 11:01 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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Huh, couldn't find one that size, even on the APC site. I'll see if maybe I can dig one up at one of the shops around here.

Pat
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Old Dec 31, 2010, 11:40 PM
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My bad, it's a TGS Sport 4.5x4.5E. Got it from RCFoam.com

Ksqm
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Old Jan 01, 2011, 12:12 AM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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I wonder if that's the same as the EMP Neodym Scimitar props? Looks very similar:

http://www.cermark.com/products/EMP-...4.5-prop.html#

Pat
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Old Jan 01, 2011, 01:58 AM
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Novato, CA
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Quote:
Originally Posted by captaingeek View Post
hmmm mini f22 sounds interesting. hows a 2200kv with 6x4 prop sound?
You know CG you are just way too nosy I thought you gave up flying fixed wing aircraft, Naw just kidding. Well you introduced me to the 100% size F-22. I've got a Mini F-22 just about ready to go. Got my motor from Pat (thanks Pat!, fast shipping for sure). Got her painted and ready to put in the guts.
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Old Jan 01, 2011, 10:09 AM
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martys's Avatar
New Jersey
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Another one

Well Boys, spent last night (till 2 AM) building another back up mini F22 airframe just in case! My Buddy Big Fran convinced me to do one now since we aren't doing any flying and I can take my time building/painting it. Any suggestions about a different paint scheme Boys? marty
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Old Jan 01, 2011, 01:13 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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Thunderbirds

F-15 Active (red/white/blue stripes)

Edwards (white with red tips)

Blue Angels

Neon green and white

Pat
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Old Jan 01, 2011, 08:56 PM
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So here's a photo of my version of the mini F-22. I used Dollar Tree foam for the wing/horizontal part of the fuse, and Depron for the vertical fuse and the under belly and elevons. I reinforced the LE with bamboo (poor man's CF) as well as the rear panel near the prop. I found these to be weak places on my 100% size.

I hope to maiden it on Monday if weather permits. Fun little guy to build, eager to see how it flies.

Jeff
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Old Jan 01, 2011, 09:02 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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Wow, those are some bright colors! Good luck on the maiden.

I just finished building another one for a friend of mine. He's been flying one that he won at the FEAR event back in October. Last week he broke off one of the vertical stabs, but flew it again anyway.

Today we were goofing around together and his battery was running low, so he landed. He came in a little hot and smacked the flight box, which broke off the nose. But he put a new lipo in it, and flew it without the nose!

Then he made a few inverted landings just goofing around. On the last one he hit a little hard and broke it's back. But he'll have a nice shiny new one tomorrow!

Pat
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Old Jan 01, 2011, 10:14 PM
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I've seen CaptGeek (above with 2200 KV motor question) fly his 100% F-22 with the nose completely gone from a crash. It looked pretty goofy, and I was surprised it flew at all. I'm curious how twitchy if at all these mini's are. You might have really hooked me on these little birds. I like that they are much easier to transport. That all said, the proof is in the flying. Rain all day on Sunday, hoping for a clearer Monday.
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Old Jan 01, 2011, 10:17 PM
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Pat, you guys suggest putting the servos just in front of the motor?

I assume that is to keep the CG forward of course which can be adjusted by the placement of the battery.
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Old Jan 01, 2011, 10:29 PM
Pusher jets rule!
crxmanpat's Avatar
Mesa, AZ
Joined Jan 2006
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I put my servos just behind the main wing break. This does two things; it helps get the CG forward, and it keeps the servo wires out of the prop.

As for twitchy, I wouldn't say twitchy per se, but they are much more responsive than the bigger birds. I get so used to flying my little one, that when I fly the big one I have to remember to stay about a half step ahead of the plane as it doesn't respond as fast to control inputs.

I'd say dial your throws down to 50% on low rate, 75% on high (or 100% if you want to fly crazy! ). No need for expo.

Pat
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