show off those ar6400 planes! - Page 153 - RC Groups
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Feb 11, 2012, 03:25 AM
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Chrizz's Avatar
Beautiful build Vyceroy!
What paint did you use?
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Feb 11, 2012, 09:51 AM
G G Ghost Pirates !!!
Vyceroy's Avatar
Thanks guys ... Yes she should be able to ROW if i have the step and all correct ..
No paint on her at all ..Econokote and Ultracote and also some solarfilm The nacelles were so curvy i had to use solarfilm .. it stretches nicely when applying ..
Feb 11, 2012, 09:57 AM
Registered User
Great job. You must love those float planes

Feb 11, 2012, 11:03 AM
Registered User
dbacon's Avatar
Airplanes are ideal for floating, they are light, need smooth runways, and open spaces. Probably why you don't see many Float tanks.
Feb 11, 2012, 11:34 AM
BlazingStar's Avatar
Float tanks.... we tried that on D-day.

Foe me, float planes are a special reminder of the golden age of flight when aeronautical development out paced airfield and logistic development.
back when not all of this planet was explored, paved, connected and regulated.
Feb 11, 2012, 06:40 PM
BYOP - Build Your Own Planes
Mountain Models's Avatar

2 out of 3 ain't bad.

The Tom-E-Boy (blue/yellow) and PeregrinE (red/black) are AR6400 birds. 1.7 to 1.8 oz each, PZ P-51 motor/gearbox in each.

Coming soon, from Mountain Models.
Feb 12, 2012, 06:05 AM
Registered User
dbacon's Avatar
I like the way you said it better...
Feb 12, 2012, 03:11 PM
Foam rules
Thatovalguy's Avatar
Vyceroy, really super job there.
Feb 12, 2012, 03:18 PM
Registered User
Bill Quantock's Avatar

Heck of a Goose!!!

The Goose looks spectacular! Congrats! You are a brave man if you risk a plane that pretty on water!
Feb 12, 2012, 03:35 PM
Registered User
Bill Quantock's Avatar

Feline Storch and 8.4 RPM?

Well, tried again with my 33" Storch with 4-Site organs. Similar result...model looked like a cartoon cat chasing invisible mice but wouldn't take-off.
I had increased the wing incidence and added a bigger prop...still no ROG. Hand- launch was a little more successful, but at WOT, the model wouldn't climb.
I still haven't cut the slots off but am sharpening my hobby knife in case the model refuses to take-off next time.
Lack of power may be contributing as the model is getting heavy...70g with no battery on board. Before I resort to a BL motor, I'd like to be sure the 8.4 mm brushed motor in the model is producing expected power, so...I've measured the RPMs and if my measurement was accurate, I think I'm getting about 5800 RPM at measurement on another 8.4 mm brushed gave 6400 RPM.
Does anybody know if those figures are in the ball park or what the expected RPM for this motor with a stock prop is?
Also, how do you measure the voltage of one of the 160 mah 1S batteries with HH connectors? I'm used to measuring battery voltage before every flight with bigger models but I haven't figured out how to do that with the tiny 1S's
Feb 13, 2012, 10:25 AM
Registered User
dbacon's Avatar
That RPM sounds low for (what I guess is) a small prop.
Here is a link to experiment with:
"U" means RPM on this German calculator page.

Here's more:

I measured my 4 x 2 prop on my small brushless snowball and got this:
35 ounce plane, OK I screwed up --- 35 grams, sheesh...160MAH 1 cell LiPo battery, HK-AP03-7000 (7000 kV) motor, ESC = HK DP 3A.
12,300 RPM, 36 grams thrust.
Last edited by dbacon; Feb 13, 2012 at 08:16 PM.
Feb 13, 2012, 11:02 AM
Registered User
starscream4002's Avatar
35ounce plane?! with 36g of thrust?! Are you sure?

Feb 13, 2012, 11:03 AM
Registered User
BryanEW710's Avatar
Originally Posted by starscream4002
35ounce plane?! with 36g of thrust?! Are you sure?

Considering it's about 28g to the ounce, I hope he's not.
Feb 13, 2012, 08:17 PM
Registered User
dbacon's Avatar
I would have impressed you if I got them mixed up the other way...he he
Feb 13, 2012, 09:59 PM
Am I a Registered user?
Eratix 3D's Avatar
I have a couple too.

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