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Old Oct 10, 2012, 02:48 AM
-plancks only-
Franck's Avatar
The Netherlands, UT, Benschop
Joined Oct 2001
1,082 Posts
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Multiplex Twinstar FPV, show your stuff

Hi,

This thread is solely about using the Multiplex Twinstar (I and II) for FPV use. I'm a experienced RC flyer, but at the time of writing I'm a total rookie on FPV flying.

During the process of building and getting experienced in FPV I feel the need for info to share and get on how I should configure my Twinstar for FPV.

So, please post your FPV setup, experiences and video's with this sweet plane!

Regards,

Franck


MY story:
I got the idea of starting FPV a year ago. I scanned all forums on what to do for FPV, and ordered a Twinstar.Most of the components FPV related I bought second hand on ebay / local RC forums. Then it all went quite, job/kids etc...but last months i've been actively focussing on getting experience in flying FPV. KNowing that FPV is a more risky form of RC flying i tried to prepare myself for succes.

Step 1:
Getting familiar with the flightcharacteristics of the twinstar, non FPV.
Step 2:
Getting experience with flying configuring and flying the Twinstar from pilots perspective.


Step 1:
Current setup is 3S3000mAh zippy with 2*2200 HK inrunners with 6*4 apc
Rudder, elevator and ailerons (Y- cable)
Multiplex evo 9 TX/RX on 35MHz
Pico SSM Gyro on ailerons
(on the shelf: FMA copilot)

Flies like a dream with this setup. 20+ minutes on average. Stable (the gyro helps a lot when windy), and plenty of power when needed.

Step 2:
Camera Sony 600 TVL (fixed in cockpit, should move to moveable L/R)
Rangevideo 1,3GHz, 1W. Cloverleafs on both RX/TX
Battery 3S 800mAh lipo
No OSD yet (have a tiny OSD ready to be installed)
Goggles are Headplay 800*600 with battery mod.

All FPV electronics mounted in a mockup canopy. Electrically not connected to 35MHz electronics.


Cockpit mock



Cloverleafs



RX station


Pan

[youtube]jxwJ0LXGJb0[/youtube]
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Last edited by Franck; Oct 12, 2012 at 09:42 AM.
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Old Oct 10, 2012, 05:56 AM
Detroit 2-stroke junkie
1320fastback's Avatar
USA, CA, Oceanside
Joined Jul 2008
3,371 Posts
I going to start my TwinStar FPV build soon.
I have the electronic on a test airplane now and the Twin is sitting in my garage in a box.

Am going to use 2 outrunners with 9x5x3 props.
72mhz for RC
1.3Ghz for FPV
Two battery set up with a 800 3S for VTX and camera.
3300 3S for RC on board plane. (may get bigger later)
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Old Oct 10, 2012, 08:22 AM
Registered User
Hugeone's Avatar
Canada,Quebec
Joined Jan 2005
2,056 Posts
Here's mine:




Scorpion 2208-1100 spinning 7x5 CR on 4S
CC phoenix 25
TrueRC 4S 5000mAh

WDR600 cam
ET OSD pro
400mW 1.2Ghz Vtx

Scherrer LRS
CC BEC

300W water cooled LED array.



EE ground station with RMRC tracker and Gatling antenna.

Gatling antenna at test (12 min 52 sec)


-Hugo
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Old Oct 12, 2012, 10:39 AM
Registered User
Bill0's Avatar
United States, CA, Oceanside
Joined Aug 2010
1,112 Posts
Quote:
Originally Posted by 1320fastback View Post
I going to start my TwinStar FPV build soon.
I have the electronic on a test airplane now and the Twin is sitting in my garage in a box.

Am going to use 2 outrunners with 9x5x3 props.
72mhz for RC
1.3Ghz for FPV
Two battery set up with a 800 3S for VTX and camera.
3300 3S for RC on board plane. (may get bigger later)
Gitt'er Done
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Old Oct 12, 2012, 12:26 PM
N00b
Boise
Joined Mar 2009
974 Posts
i had a twin star for a while.

-2 x ka 20-20L motors with APC-E 9x6
-Turnigy 3s 5800mah battery
-rcv922 cam with pan&tilt from readymade
-TSLRS
-lawmate 1W 1.3ghz w/ inverted V w/ lawmate rx and ebay yagi

10km flight edited (6 min 16 sec)
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Old Oct 14, 2012, 01:50 PM
N00b
Boise
Joined Mar 2009
974 Posts
lol, I think everybody is over using the twin star as an FPV plane.. pretty sure there is an old thread like this too...

It's a good plane, but with things like the universeye, skywalker, zephyr, etc....
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Old Oct 14, 2012, 08:14 PM
Registered User
rob10000's Avatar
Joined Oct 2004
836 Posts
Just having fun! (3 min 16 sec)


I posted that video 4 years ago, and I'm still flying that same twinstar today! An awesome platform for sure.
Berg 7 receiver
2xCCTB18 ESCs
2x400XT brushless motors
Counter-rotating APC 8x6 props
3S3100 (main battery), 2S450(video)
Intelligent Flight OSC camera
200mw 2.4 Video Transmitter
DPCAV Vizion OSD
DPCAV Pandora Pan/Tilt
DPCAV Oracle Diversity
RC-Tech.ch VR1000 goggles/headtracker
recorded on Aiptek MPVR
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Old Oct 14, 2012, 08:51 PM
The Fixer
Martin Y's Avatar
Canada, ON, Milton
Joined Jan 2009
3,854 Posts
I'm just about to glue together my second Twin*. First one lasted over 3 years. Still a great airframe for fpv.
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Old Oct 16, 2012, 02:36 PM
Registered User
RCLampie's Avatar
The Netherlands
Joined Dec 2011
5 Posts
My Twinstar 2

Hi Franck,

My name is Emile aka RCLampie and also live in NL. This is my second TS2 which has the following setup:

2x Turnigy 2217/1050kv with 25A plush
8x6 Graupner props
800mw 1,3 GHz with cloverleaf on 1360MHz
Eagletree OSD system with full working RTH
ImmersionRC EZUHF + Futaba 10CG
GOPRO HD2

Groundstation:
17 inch Samsung security monitor in flightcase with all other stuff.
SPW or 5 turns Helical on 1360 MHz

This is a compilation of my latest flight.

FPV Twinstar (5 min 28 sec)
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Old Oct 16, 2012, 02:43 PM
Registered User
CaliDave's Avatar
Bay Area
Joined Dec 2010
2,393 Posts
My Twinstar Build Log for those interested:
http://www.rcgroups.com/forums/showthread.php?t=1391733
Great plane, just wish they made one a bit bigger.
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Old Oct 16, 2012, 06:57 PM
Registered User
United States, CO, Frisco
Joined Jul 2010
35 Posts
twinstar

Here is my set up. I've been slowly been building it over the summer.
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Old Nov 03, 2012, 08:39 PM
Detroit 2-stroke junkie
1320fastback's Avatar
USA, CA, Oceanside
Joined Jul 2008
3,371 Posts
Little update:

Have started the wiring for mine.
Am using Braided USB cable for the 4 Servos and also the OSD/Camera system.

Have soldered the 4 servos and now need to order a servo plug crimper.

Next is BL motor fitment in the stock Brushed housing and then cutting a hatch in the side behind the wing.
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Old Nov 06, 2012, 06:12 AM
-plancks only-
Franck's Avatar
The Netherlands, UT, Benschop
Joined Oct 2001
1,082 Posts
Nice, using shielded wire is also what I did (with a 1W 1,3GHz so close)

I changed my setup a little because my TX started to control my pan servo, so i moved TX to the tail (with shielded wire routed to nose, and added a clc filter for 12V in tail as well) and moved GPS to the nose far away from TX.

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Last edited by Franck; Nov 06, 2012 at 06:42 AM.
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Old Jan 27, 2013, 06:37 PM
Detroit 2-stroke junkie
1320fastback's Avatar
USA, CA, Oceanside
Joined Jul 2008
3,371 Posts
Mines up and flying although not done with the FPV stuff yet.

She flies nicely at less than half throttle and endurance is no less than 20 minuets.
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Old Mar 02, 2014, 04:34 PM
RC pilot by soul
Israel
Joined Apr 2005
2,520 Posts
Hello guys,

can you recommend a proven setup for the twinstart that can take 10km and back and perhaps even better about 1 hour flight time?
thanks.
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