F-22 30mm - Page 3 - RC Groups
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Nov 16, 2012, 07:01 PM
Need 4 Speed!
pdawg's Avatar
Loookin sweet! Very nicely done! Love the integrated ducting!
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Nov 16, 2012, 08:03 PM
Registered User
Thanks.
I think my ducts are a little small in area. I found some formula's on square to round duct equivalency. Looks like a square inlet/exhaust needs much more area than a circle, for the same flow. I'll see how that works out in real life. Should have found the formula's before I cut them.
Nov 24, 2012, 08:19 PM
Registered User
I missed the mail man, but my ESC's are in town. So I'll be back to this project Monday.
Nov 25, 2012, 03:46 AM
Team30 Micro EDF
NitroCharged's Avatar
Sweet!
Nov 25, 2012, 11:03 AM
Addicted to building...
Freddie B's Avatar
Very cool, looks great!

Fred
Nov 25, 2012, 12:24 PM
Registered User
jumo004's Avatar
Thanks for taking the time to post your progress.
Amazing work !
Nov 26, 2012, 03:54 AM
Registered User
Thanks.
I fiberglassed the bottom of the wing. I'm using Elmers white glue, water, and microballons to secure the fiberglass (a squirt of each, so about equal amounts of each by volume, maybe a little less for the microballons). My scale shows its now 19.7 grams. Cost me 1.5 grams. I plan to glass the rest of the bottom after the electronics are installed.
Nov 27, 2012, 04:04 AM
Registered User
Looks like the electronics might fit, without to much hastle.
In the second photo the receiver is sitting about where the CG is easy to get. I can move the lipo for a more forward CG. To move it aft would be more difficult. From the glide test the fuselage makes about as much lift as the wings. So I think I'll be close to a flyable CG, with the electronics close to where placed in the first picture.
Nov 27, 2012, 09:52 AM
Checking CG is for NERDS!
Smokescreen38's Avatar
Gorgeous work, Rob! You are an inspiration.
Nov 28, 2012, 03:30 AM
Registered User
Thanks again.
I have had a bunch of important projects come up, so hope I can get a little time in on this project. Might go a little slow.
Nov 28, 2012, 04:57 AM
Registered User
chester2240's Avatar
what size battery are you gonna use?
Nov 28, 2012, 05:08 AM
Registered User
I have a Hyperion 2 cell, 500mah. It is the one in the picture. I would use a lighter one, if I can find one up to the task.
Nov 28, 2012, 07:43 PM
Team30 Micro EDF
NitroCharged's Avatar
Dinogy have 65C 450mah lipo's in stock now.
Nov 29, 2012, 07:05 AM
Registered User
I probably should order a couple of those lipo's.
Nov 29, 2012, 09:40 AM
Flying Dutchman!
robertboxhoorn's Avatar
Why not tp 325 65c?


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