3D Hobby Shop 57" Extra 330 SC -Build Thread- - Page 759 - RC Groups
Thread Tools
Feb 01, 2013, 03:40 PM
Gone Huckin'
turnerm's Avatar
Quote:
Originally Posted by RCgirl383
hey guys my 57 is pretty nose heavy (im using a GForce 40C 3700mAh 4S LiPO, Motrolfly 4315 714kv with fiberglass mount, and the Castle Creations ICE 100) im using a pull-pull setup right now with the battery moved back as far as it can go, just to get the recommended CG for the maiden and not 3D. I cant get the CG back any farther, would changing the pull-pull to push-pull help?
Hmmmm.... something doesn't sound right. I had the exact same setup except I was using Gens Ace 4000's and my batteries were right in the middle of the tray. I wondery if our batteries are that different in weight?
Sign up now
to remove ads between posts
Feb 01, 2013, 04:10 PM
It'll be fineee...
RCgirl383's Avatar
Quote:
Originally Posted by turnerm
Hmmmm.... something doesn't sound right. I had the exact same setup except I was using Gens Ace 4000's and my batteries were right in the middle of the tray. I wondery if our batteries are that different in weight?
Mine are 14.29oz according to the website
Feb 01, 2013, 04:19 PM
Gone Huckin'
turnerm's Avatar
Quote:
Originally Posted by RCgirl383
Mine are 14.29oz according to the website
Mine are 15.2oz according to the website so the weight definitely isn't materially different.

How are you measuring your CG?
Feb 01, 2013, 04:25 PM
It'll be fineee...
RCgirl383's Avatar
Measuring the recommended distance from the wings leading edge and putting my fingers at that point and balancing the plane..theres probably a better way to do that isn't there?
Feb 01, 2013, 05:13 PM
Gone Huckin'
turnerm's Avatar
Quote:
Originally Posted by RCgirl383
Measuring the recommended distance from the wings leading edge and putting my fingers at that point and balancing the plane..theres probably a better way to do that isn't there?
That's how I do it! It's just odd that yours is coming out so nose heavy though....

I'm trying to understand why that might be the case. Anyone else have this experience with this plane and the 4315-714?
Feb 01, 2013, 05:34 PM
No, I won't ship it. Don't ask
quadracer's Avatar
Do you have the canopy on when you test it?
Feb 01, 2013, 05:36 PM
It'll be fineee...
RCgirl383's Avatar
Quote:
Originally Posted by quadracer
Do you have the canopy on when you test it?
Yeah
Feb 01, 2013, 05:45 PM
No, I won't ship it. Don't ask
quadracer's Avatar
Hmmmm. Which ESC are you using, and where do you have it located?
Feb 01, 2013, 06:53 PM
Registered User
Alex Schauer's Avatar
She's using the CC Ice 100
Feb 01, 2013, 08:48 PM
Registered User
Mine was nose heavy with a 3620 (much lighter) and 4S 4000 Gens Ace 25C. I had to add 1 1/2 oz to the tail so I could get my battery on the tray for 3D. It doesn't surprise me that with the 4315 that it would be nose heavy. I've been surprised reading here that guys running the 4315 aren't having to add tail weight.

FYI - I'm running a standard ICE 100 on the motor box (pretty far back on it)

MIke
Feb 01, 2013, 09:11 PM
inverted-i-fly
3drcparts's Avatar
4315-480 ice 100 on 6s here and my 6s 2500 sit middle of the tray
Feb 01, 2013, 09:44 PM
Barefoot Birkinsomething
rcbirk21's Avatar
Quote:
Originally Posted by Brownie433
Mine was nose heavy with a 3620 (much lighter) and 4S 4000 Gens Ace 25C. I had to add 1 1/2 oz to the tail so I could get my battery on the tray for 3D. It doesn't surprise me that with the 4315 that it would be nose heavy. I've been surprised reading here that guys running the 4315 aren't having to add tail weight.

FYI - I'm running a standard ICE 100 on the motor box (pretty far back on it)

MIke
pull pull or push pull? makes a big difference
Feb 01, 2013, 09:47 PM
No, I won't ship it. Don't ask
quadracer's Avatar
Mine is pull-pull with the 4315, balances nicely.
Feb 01, 2013, 10:19 PM
Registered User
mine with a reccomended hacker came out waay too tail heavy for my liking... my batteries was as far forward as i could get them...

are you measuring by wingtips or wing root?
Feb 01, 2013, 10:19 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
I have a Reaper GR-60 in my 57" Extra, with pull/pull, and it balances nicely with 4S 45C 4000mAH packs.

SteveT.
Latest blog entry: My hangar...


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
New Product 3D Hobby Shop 47" Edge 540 #BUILD VIDEOS ADDED# ipsmotors 3D Flying 3966 Sep 14, 2017 02:08 PM
Video 3D Hobby Shop 57" Sukhoi sukhoi26mx Electric Plane Talk 7 Sep 17, 2008 08:33 AM
Sold NIB 3D Hobby Shop SHP Extra 300 *Blue* Version 2 thomer Aircraft - Electric - Airplanes (FS/W) 7 May 04, 2008 01:31 PM
Build Log 3D Hobby Shop 55" Katana LIVE Build Log Jeremy Sebens 3D Flying 54 Oct 12, 2007 03:39 PM