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Old Feb 14, 2012, 12:52 AM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,717 Posts
Quote:
Originally Posted by lammbn View Post
My both of my 3620-480 motors run 15x8 props. Come down cold, not even warm at all, every time. Even on a 6 min flight of nothing but high throttle KE passes. Do check your own wattage though. There is a possibility of the kv not being exactly 480.
Now we have a little more info...which is always good to know.....(knowledge is good)...

SteveT
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Old Feb 14, 2012, 05:05 AM
Wingman II
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United States, KY, Louisville
Joined Sep 2011
1,254 Posts
Yes it is. Thanks for the reassurance guys!
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Old Feb 14, 2012, 06:59 AM
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Joined Oct 2006
26 Posts
are the HS5245 worth the extra expense over the HS225?
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Old Feb 14, 2012, 02:04 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,717 Posts
Digital servos usually hold better, and center better, at the cost of needing a better BEC to supply them. Most people using digital servos use an external BEC, which is a bit more weight, but not much.

SteveT
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Old Feb 14, 2012, 04:34 PM
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United States, FL, Cocoa Beach
Joined Mar 2011
41 Posts
Anyone have shipping box dimensions on this bad boy?? Strange question i know but i am coming back to the states and want to pick one up and will have to bring it back on the plane, as checked baggage off course.
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Old Feb 14, 2012, 04:51 PM
AMA 1034020
ATCH's Avatar
United States, AL, Alexander City
Joined Jul 2011
140 Posts
46 inches Long
18 inches Wide
9 inches Tall
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Old Feb 14, 2012, 09:09 PM
Wingman II
diggity2424's Avatar
United States, KY, Louisville
Joined Sep 2011
1,254 Posts
What's a good CG to maiden this bad boy?? She's ready to rock!
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Old Feb 14, 2012, 09:33 PM
mdv
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United States, CA, San Diego
Joined Jun 2009
477 Posts
Quote:
Originally Posted by diggity2424 View Post
What's a good CG to maiden this bad boy?? She's ready to rock!
It would be a good idea to decided whether it's a he or a she. Otherwise, it'll get a complex or something.
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Old Feb 14, 2012, 09:39 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,717 Posts
Quote:
Originally Posted by mdv View Post
It would be a good idea to decided whether it's a he or a she. Otherwise, it'll get a complex or something.
Good aircraft are "things of beauty", therefore they are always a "She".....

SteveT
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Old Feb 14, 2012, 09:50 PM
Wingman II
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United States, KY, Louisville
Joined Sep 2011
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hahaha! She is a beaut...
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Old Feb 15, 2012, 07:53 AM
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United States, IL, Crystal Lake
Joined Jan 2009
5,496 Posts
Quote:
Originally Posted by diggity2424 View Post
What's a good CG to maiden this bad boy?? She's ready to rock!
Per Bivens:

I added 1.5 oz to the firewall and a castle BEC pro on the "Shelf" I built over my batts....a pair of 3s-2600s pushed to the firewall. I really like this CG now....a little noseheavy on the inverted test....just a tiny pitch couple on KE.....I checked my CG on the fingertips.....3.75 inches....same as fliprob.
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Old Feb 15, 2012, 08:12 AM
Wingman II
diggity2424's Avatar
United States, KY, Louisville
Joined Sep 2011
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Quote:
Originally Posted by SnowDog1974 View Post
Per Bivens:

I added 1.5 oz to the firewall and a castle BEC pro on the "Shelf" I built over my batts....a pair of 3s-2600s pushed to the firewall. I really like this CG now....a little noseheavy on the inverted test....just a tiny pitch couple on KE.....I checked my CG on the fingertips.....3.75 inches....same as fliprob.
Thanks, I was figuring on adding 1 oz to the nose because I have a ton of 3s 2200s that I was going to run in series. Might have to do more. I will work with 3.75inches. thanks, again.
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Old Feb 15, 2012, 08:15 AM
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United States, IL, Crystal Lake
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Originally Posted by diggity2424 View Post
Thanks, I was figuring on adding 1 oz to the nose because I have a ton of 3s 2200s that I was going to run in series. Might have to do more. I will work with 3.75inches. thanks, again.
Sure, no problem....I decided to add an ounce or two of weight to the nose by putting in a 4315-480...but I have not mounted it yet or done any CG checking. I am planning on using 3s 2500's in series.
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Old Feb 15, 2012, 09:25 AM
Registered User
United States, NJ, Clayton
Joined Aug 2010
1,580 Posts
Quote:
Originally Posted by diggity2424 View Post
What's a good CG to maiden this bad boy?? She's ready to rock!
congrats! I took off of work friday to start my build! can't wait!
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Old Feb 15, 2012, 12:11 PM
Hooked on 3DHS
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United States, ID, Boise
Joined Nov 2009
908 Posts
with the 3620 mounted as far out as the cowl will allow my plane balanced perfectly with two 3s 2200's against the firewall. but i could not come up with a good way to secure them so i added two ounces to the firewall and moved my batts back a couple inches. i would really like to see some pics of the "shelf" that some of you built to hold your batteries up front. there doesn't look like much to secure it too at the front of the motorbox. has anybody else noticed how open the front of the motor box looks on this plane vs other 3dhs planes?
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