show off those ar6400 planes! - Page 105 - RC Groups
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Nov 03, 2011, 09:23 PM
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Nooflyer's Avatar

My Latest Build


Here's my scratchbuilt extra 300. Its a little bigger than E-flite's Extra because i wanted a slower UM planes while still using the 4-site equipment. Weight should come out 32g hopefully!
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Nov 04, 2011, 10:10 AM

Video of my 3rd gen Micro Capricorn


Video of my Micro Capricorn. 1.1 oz with 9" wingspan. All electronics from Parkzone P-51.

Micro Capricorn, 1.1 oz and 84 sq inches, flown by Otto Dieffenbach (3 min 7 sec)
Nov 04, 2011, 10:14 AM
Registered User
starscream4002's Avatar
Quote:
Originally Posted by Nooflyer
Here's my scratchbuilt extra 300. Its a little bigger than E-flite's Extra because i wanted a slower UM planes while still using the 4-site equipment. Weight should come out 32g hopefully!
2mm depron?

SS
Nov 04, 2011, 10:53 AM
Registered User
But will it rise off water? I'm surprised how well it performs at various speeds, altitude, and attitude!

Jay
Nov 04, 2011, 01:18 PM
Quote:
Originally Posted by Faethor
But will it rise off water? I'm surprised how well it performs at various speeds, altitude, and attitude!

Jay
Me too. It won't ROW, I tried in the pool. It needs more power to break the adhession of the water or I need to develop some skis like I did for my 7 oz mini to get the pontoons and rear wing surface out of the water. It will not pull through an inside loop but can handle outsides which I believe is thrust line related. Best.
Nov 04, 2011, 05:21 PM
Registered User

Ryan NYP and Ford TriMotor (Dumas kits)


After a bit of a (forced) break from building I've finally gotten two new micros ready to test fly.

The RyanNYP comes in at 36g flying weight and the TriMotor at 46g. Both rudder/elevator only.

I chose not to make any specific efforts to save weight and added most of the detailing and trims as I was keen to get a more scale result than some of my other planes.
Nov 05, 2011, 04:15 PM
P. Seitz
The maiden went well just slightly nose heavy. so i'm calling it done! I ended up at 38 grams

Paul
Last edited by seitz2c; Nov 05, 2011 at 04:24 PM. Reason: spelling what else !
Nov 05, 2011, 06:50 PM
Registered User
Nooflyer's Avatar
starscream4002,

yes its all 2mm depron. I'm waiting for my brushless setup to arrive from HK or i might just trash my yak 55m to try it out.
Nov 05, 2011, 07:14 PM
Registered User
Quote:
Originally Posted by seitz2c
The maiden went well ....
Paul,

Beautiful!

Gene K
Nov 05, 2011, 08:59 PM
Registered User

Spirit of St Louis & Ford Trimotor


DarylB,
great fun last night, the Spirit was very realistic in flight flew beautiful. What can I say about the Trimotor, she looks terrific, but couldn't quite sustain flight. Keep at her she will be a real beaut to.

Cheers

Paul
Nov 05, 2011, 10:56 PM
Registered User
Beautiful Super Chipmunk.

Might encourage me to finish up my Super Chipmunk conversion from a set of Guillows plans.
Nov 05, 2011, 11:24 PM
Registered User
BryanEW710's Avatar
Quote:
Originally Posted by Nooflyer
starscream4002,

yes its all 2mm depron. I'm waiting for my brushless setup to arrive from HK or i might just trash my yak 55m to try it out.
What's the powertrain going to be made of?
Nov 06, 2011, 08:06 AM
Registered User
richard hanson's Avatar
I built a few models around the 6400 setup- using the UMXExtra as the baseline for performance .
The most noticeable problem came when I tried comparisons of the VAPOR with the UMX

I wanted VAPOR speed with UMX performace
The rub was the weight issue

Using UMX rx and motor and mount - I added the VAPOR landing gear and a 160 ma battery
The airframe weight is the issue - You must stay under 34 grams all up inc battery to achieve same power loading
BUT you must drop down to low 20 gram area to get same wing loading!
This little flying disc weighs all up at 27 grams
The airframe is 7 grams- the next one will be larger - thei one is 12" dia (113 sq inches total) from 3mm Depron and has .027 dia cf around perimeter and a strip CF trailing edge . the elevons are bare foam
It is FAST! and accelerates vertically .
I think -I can go to 14" dia using 3 mm foam and narrower flat sections-and still stay below 32 grams all up with battery-this will give 153 sq inches
The airframes I have tried using milled 2mm foam are just too heavy- so for the next scale like aerobat -I am going to CF and covering.
I used Reynolds green film - attached with Elmer's spray adhesive - this works well and light heat shrinks the film easily
Nov 06, 2011, 02:02 PM
Registered User
Nooflyer's Avatar
BryanEW710,

I'll probably put an AP03 with the 3.5a .3g esc in it. Not sure what prop i should use. But i know i'll stay with single cells.
Nov 06, 2011, 02:44 PM
Registered User
BryanEW710's Avatar
Quote:
Originally Posted by Nooflyer
BryanEW710,

I'll probably put an AP03 with the 3.5a .3g esc in it. Not sure what prop i should use. But i know i'll stay with single cells.
Do you use a lot of carbon reinforcement?


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