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Brosol's blog
Posted by Brosol | Jun 25, 2012 @ 05:13 PM | 8,155 Views
Interesting placement of the tail motor high up on the vertical tail fin almost level with the main blades & 2-3 blade tail rotor props.

UPDATE: KKDDMM confirms that a FS-TH9X-B does not bind to the GT 9016 so no 9x Tx compatibility it seems.....
KKDDMM: http://www.rcgroups.com/forums/showp...79&postcount=3



...Continue Reading
Sticky: V911 Clone BNF
Posted by Brosol | Jun 16, 2012 @ 01:30 AM | 12,509 Views
Update: So it seems new V911 Clone BNF and parts may be from the same company that makes the JC 9C002 Solo Pro Clone.

The head does not have a feathering shaft.

But good news regarding binding to a 9x Tx.

Firecabbage V911 Clone Yellow BNF


Banggood V911 Clone Yellow BNF

Yellow V911 4CH 2.4GHz Single Blade RC Helicopter With Gyro BNF

Indoor flight of the new BNF Yellow v911 single blade Helicopter - heli supplied by Banggood (1 min 44 sec)

V911 Clone Pics & Info by KKDDMM:

KKDDMM: http://www.rcgroups.com/forums/showthread.php?t=1674254
KKDDMM: http://plaza.rakuten.co.jp/ringmaker.../201206200000/

Originally Posted by KKDDMM
...Continue Reading
Posted by Brosol | Jun 02, 2012 @ 05:16 PM | 9,836 Views
I received a question regarding MSR flybar canopy strikes during aggressive flying or in windy conditions for a V911 modded with MSR Bell Hiller head & flybar setup such as my V911-BellHiller Frankencopter:

Brosol: http://www.rcgroups.com/forums/showt...3#post21129895

V911-BellHiller with Solo Pro Canopy & XTreme MSR Flybar, Paddle Weights moved inward

XTreme MSR Flybar Canopy Clearance at Max Flybar Angle Tilt, Paddle Weights moved inward

XTreme MSR Flybar Tailboom Clearance at Max Flybar Angle Tilt, Paddle Weights moved inward
...Continue Reading
Posted by Brosol | May 28, 2012 @ 04:37 AM | 7,796 Views
** WLToys Beetle Quadcopter Review **

WLToys decided to rename their quadcopters to Beetle and will offer
other canopy shell options besides bugs.

jameschen072: http://www.rcgroups.com/forums/showthread.php?t=1658847

jameschen072: http://www.rcgroups.com/forums/showp...16&postcount=1

Still waiting for 9x Tx compatiblity to be confirmed.

I wish the Rx had overcurrent protection to protect the fets during motor jams, strikes.

Please subscribe and offer input to WLToys regarding quadcopter features & improvements.


New Benma quadcopter video & pics:





...Continue Reading
Posted by Brosol | May 14, 2012 @ 12:20 AM | 7,876 Views
Another interesting tail motor related mod to try Thanks to EQMOD.

Doing experiments using neodymium magnets on a Bravo SX & 4G3 tail motors to: increase motor KV / RPM performance, run cooler & last longer:

I wonder about ways for installing NEO mags on a Bravo SX main motor in its motor holder. Would there be any benefits to cancel the weight increase from the magnets?

I got 100Pcs 3mm x 1mm, .05g each Disc Neodymium from Ebay to play with

- NEO Charging your Brushed Heli Motors for insanely fast KV / RPMs
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1415262
EQMOD: http://www.rcgroups.com/forums/showp...0&postcount=39
EQMOD: http://www.rcgroups.com/forums/showp...0&postcount=18
EQMOD: http://www.rcgroups.com/forums/showp...1&postcount=31
UliZ: http://www.rcgroups.com/forums/showp...8&postcount=44



Posted by Brosol | May 12, 2012 @ 06:02 PM | 11,566 Views
V911-XTreme heli with Tail Rotor Shaft Drive.


Build a tail rotor shaft drive based on Walkera 4G3 tail motor/gear assembly and recycled NE Bravo III, V911, 9958 parts.


EQMOD's MSR: Tail rotor shaft drive
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1278838

EQMOD's Eflite Blade MSR: Mod Sumary; Making it more quick, agile, and stable
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1276901

EQMOD's Nine Eagles Solo PRO : ADVANCE MODs Compilation
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1315690

Parts List:

* Walkera 4G3 tail motor assembly (tail motor holder, gears, shaft, tail rotor, bearings)

* Walkera 4G3 tail motor 7mm OD, bevel tail motor gear

* V911 tail boom
* V911 tail motor holder

* 1mm ID 3mm OD drive shaft bearings via Bravo III inner shaft...Continue Reading
Posted by Brosol | Apr 20, 2012 @ 08:50 PM | 8,581 Views
The MCX lower head is used as part of the Bell-Hiller head/flybar setup in my V911-BellHiller and 9958V911 Frankencopters:

Brosol: http://www.rcgroups.com/forums/showt...3#post21129895

Brosol: http://www.rcgroups.com/forums/showt...3#post20925692

To prevent the MCX head linkage guide forks from spreading & breaking off in a crash I filed square grooves to fit Al tubing brace rods via CA glue soaked dental floss. I could have used push pin, flybar bits, CF rod, etc for the brace rods. Its a easy, strong & light weight mod.

Posted by Brosol | Apr 03, 2012 @ 03:00 PM | 9,071 Views
EQMOD's The ZBAR Flybar V3

EQMOD: http://www.rcgroups.com/forums/showp...04&postcount=9

EQMOD: http://www.rcgroups.com/forums/showp...05&postcount=6

EQMOD: http://www.rcgroups.com/forums/showp...6&postcount=13

EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1434700

EQMOD's MSR "Brass Ball Guided Flybar Hub Mod"

Thewyzarofdogz: http://www.wattflyer.com/forums/showthread.php?t=61500

EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1238257

Stock MSR Flybar vs EQMOD's Z-Bar V3 Flybar Tracking Tests

MSR Stock Flybar: Tracking Gyroscopic_Lag
MSR Stock Flybar: Tracking Gyroscopic_Lag (0 min 50 sec)

MSR : V3 Z-BAR Flybar -Crisp Cyclics Tracking tests
MSR : V3 Z-BAR Flybar -Crisp Cyclics Tracking tests (0 min 42 sec)

Franken 9958 with Z-Bar MSR FB using offset trailing edge 4#3B FB weights & MSR Ball FB hub:

...Continue Reading
Posted by Brosol | Mar 30, 2012 @ 02:09 AM | 9,706 Views
XTreme Solo Pro CF Flybar

Compatible with Solo Pro, Bravo SX, V911 via stock Solo Pro head, CNC head, XTreme Metal/Delrin head


XTreme Solo Pro CF Flybar Issue:

newborn: http://www.rcgroups.com/forums/showp...&postcount=387
Frank_fjs: http://www.rcgroups.com/forums/showp...&postcount=761

XTreme Solo Pro CF Flybar Hub Brace Mod

Brosol: http://www.rcgroups.com/forums/member.php?u=337930
Brosol: http://www.rcgroups.com/forums/showp...postcount=5445

CF brace rod was added to the Xtreme CF flybar hub to help resist bending & snapping during crashes:

- A section length of Bravo SX CF tail boom was cut accordingly for use as a flybar hub brace rod
- File & sand down the top of the flybar hub until the CF brace rod fits flat & flush
- Clamp & CA glue brace rod on top of the flybar hub, check for correct alignment
- Gently sand sides of the flybar hub smooth to allow free movement & max flybar tilt angle without binding

...Continue Reading
Sticky: V911-XTreme
Posted by Brosol | Mar 27, 2012 @ 05:13 PM | 20,535 Views
A stock bnf V911 I ordered from Banggood. During flight testing I noticed wobbling and main motor grinding noises......Of course I couldn't resist the opportunity to mod & upgrade parts and I also wanted to recycle XTreme parts from previous Bravo SX projects.

FS-TH9X, Er9x Firmware
crucial: http://www.rcgroups.com/forums/showthread.php?t=1266162

er9x Settings:

Daryoon's WL Toys v911 settings for er9x
Daryoon: http://www.hacksmods.com/2012/06/wl-...ings-for-er9x/


EQMOD's Eflite Blade MSR: Mod Sumary; Making it more quick, agile, and stable
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1276901

EQMOD's Nine Eagles Solo PRO : ADVANCE MODs Compilation
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1315690

Current Mods & Parts Configuration Summary 07/01/2012:

Weight W/O Battery: 28.55g (SP 260A Skid)

* XTreme Solo Pro Delrin Head with CF rod feathering shaft & linkage guide pin, SP 260A canopy grommet feathering shaft O-Rings

* XTreme Solo Pro CF Flybar, modded with CF rod hub brace bar, XTreme MSR paddle weights

* Added loops of CA glue soaked dental floss at the ends of CF rod hub brace bar to more effectively transfer bending forces that can occur during a crash/strike to the brace bar instead of the weak XTreme flybar hub.

* Custom 3mm dia CF rod main shaft - reduce weight

* Bravo SX main motor with plug n play connectors

* V911 tail motor, tail boom, tail fin, plug n play tail motor connectors

* Solo Pro...Continue Reading
Sticky: V911-BellHiller
Posted by Brosol | Mar 24, 2012 @ 05:13 PM | 11,754 Views
My custom V911 based heli build:


Build a custom V911 with a Bell-Hiller head/flybar setup and recycle the investment in parts from previous Bravo SX projects.

I also wanted to revisit EQMod's Bell Hiller mod for the Solo Pro. It was based on Walkera 4#3 flybar hub, flybar paddle parts.

I cancelled plans to apply EQMod's Bell Hiller mod to the Bravo SX due to Rx problems.

IMHO its much easier to transplant a Bell Hiller Head/FB setup to the V911 via custom CF main shaft, MCX Lower head & blades & linkages, Xtreme CF MSR flybar.

Brosol: http://www.rcgroups.com/forums/showp...postcount=5282


EQMOD's NE Nine Eagles Solo Pro: Bell Hiller Mod V3 - using a walkera 4#3 flybar hub

EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1289377

Brosol: http://www.rcgroups.com/forums/showthread.php?t=1626675

EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1280614

EQMOD's Eflite Blade MSR: Mod Sumary; Making it more quick, agile, and stable

EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1276901

EQMOD's Nine Eagles Solo PRO : ADVANCE MODs Compilation
EQMOD: http://www.rcgroups.com/forums/showthread.php?t=1315690

Tx: FS-TH9X, Er9x Firmware
crucial: http://www.rcgroups.com/forums/showthread.php?t=1266162

er9x Settings:

Daryoon’s Xieda 9958 settings for er9x
Daryoon: http://www.hacksmods.com/2012/05/xie...er9x-settings/

Daryoon's WL Toys v911...Continue Reading
Posted by Brosol | Mar 12, 2012 @ 02:56 AM | 11,980 Views
I've been interested in the palm sized or smaller multicopters for a while now but not sure about how to get started:



devmonkey: http://www.rcgroups.com/forums/showp...postcount=1113
...Continue Reading
Posted by Brosol | Mar 06, 2012 @ 03:44 AM | 11,162 Views
I was asked about tips for a safer method besides pressing fitting & using heat to reinstall the pinion back on for micro heli motors such as: 9958, V911, Bravo SX...etc.

I received a Genius CP main motor from a friend to test and I tried this method to install a Bravo SX motor pinion....seems to work well:


I found with practice using the drill bit to smooth out the pinion hole, the resulting fit made it possible to finger press the pinion down the motor shaft yet the pinion will stay firm in place without CA glue.


Originally Posted by Daryoon View Post
Brosol, thanks for those links. I don't know how to ream the hole of the pinion larger to be able to use Loctite. Maybe I should watch the video to see how they do it. Often times these how to video demonstrate on larger motors, so the technique doesn't translate very well to our micro helis.
Originally Posted by Brosol View Post
I also found the combo of using a pin-vise-and-drill-bit-set to gently enlarge the pinion ID and polishing the motor shaft with steel wool resulted in a slip on pinion fit.


...Continue Reading
Posted by Brosol | Mar 05, 2012 @ 01:14 PM | 10,517 Views
Originally Posted by RoboHeli View Post
Here's a blast from the past.

I'd like to get one of these as it seems quite useful when swapping in motors from different helicopters.

Is this the kind of tool that would be appropriate for this work? It's by E-Flite so I imagine it would work with mCX/mCX2 motors and so anything larger than that should be fine.... but that's just speculation on my part.


Originally Posted by RoboHeli View Post
Which model pinion gear puller do you have, Brosol?
I got the cheap GWS micro pinion puller. It might be me but I found the stock setup fiddly & difficult to use. I had to practice on dead motors to get the correct alignment to pull out pinions without deforming the teeth. Also it did not work very well with removing pinions from motors smaller than Bravo SX motors.

Finally out of fustration I cut out a shim from piece of Al using a dremel & hand filing. I cut two shim notch sizes via trial & error to handle pinions for Bravo SX & smaller Bravo III motors.
Posted by Brosol | Feb 27, 2012 @ 05:41 AM | 10,421 Views
My 9958 frankencopter Ver 01:

Goals: make a custom 9958 heli recycling parts from previous BravoSX builds. Use a 9x Tx compatible Rx.

Tx: FS-TH9X, Er9x Firmware

Stock 9958 Parts: Rx, frame, main motor, main gear, landing skid, canopy, tail fin

Franken Parts: MCX LHead, MCX LHBlades, MCX linkage guide, CF shaft, CB100 short arm swash base, Xtreme Solo Pro hub/ball, Z-Bar MSR flybar, MSR swash ball flybar hub, CF rod anti-rotation swash pin guide, BravoSX tail boom/motor, BravoSX bearings.

Possible Future mods: V911 Rx, Xtreme MSR flybar, Bravo SX main motor, overcurrent fuse protection, NE SP 270A swash, CF rod frame stiffeners, SMD Led lighting, shaft drive tail motor, BL motors

Helpful Guides & Modding Info that can be adapted & applied to the 9958:

812's MSR Help Files

briangp' Unofficial Blade mSR Troubleshooting Guide!


Vicovaludemero's The Official mSR go to thread... Look HERE FIRST

forrest225's Blade MSR Confirmed. FAQ + PICs Below + video and video review V2.0 + MSR HELP


Flying-Monkey's mSR TX Setups, Tweaks, Mods Tips, and Upgrades

Daryoon's 9958, Solo Pro HackMods
http://www.hacksmods.com/...Continue Reading
Posted by Brosol | Feb 07, 2012 @ 05:39 AM | 11,994 Views
I wanted share the excellent customer service experience I received from http://www.miracle-mart.com:

From: Kuen Or <taikuen@miracle-mart.com>
Sent: Tuesday, February 7, 2012 2:10:06 AM
Subject: RE: Order 20751349 Spare Flybar (for MSR005) (MSR005-A) Problem

Sorry for the problem, thank you for your advice and dissolve it by yourself.

We checked with our stock, fortunately, there is no issues from our stock, maybe some problem products available and shipped out to our customers, so you have got one from there.

To sorry for such problem, we would like to send you a new one, we expected replacement arrived to your mail box within 8 days.

Thank you.

Sent: Tuesday, February 07, 2012 8:54 AM
To: miracle-mart
Subject: Re: Order 20751349 Spare Flybar (for MSR005) (MSR005-A) Problem

Miracle-Mart Customer Service,

I noticed a problem with 1 x Spare Flybar (for MSR005) (MSR005-A).

One side of the flybar has the rod angled upwards. The uneveness will cause flight wobbles or vibration. The CF rod cannot be bent straight without breaking central flybar hub. I think the rod was not glued in straight & even during the Xtreme manufacturing.

I compared the flybar from 1 x Carbon Flybar Set (MSR) (MSR005) = US$6.90 and its perfectly straight.
Posted by Brosol | Sep 03, 2011 @ 04:59 AM | 10,951 Views


[IMG]...Continue Reading
Posted by Brosol | Sep 03, 2011 @ 04:57 AM | 10,716 Views

Bravo SX based heli in trainer: low noise indoor config

- modded SX frame to use GW 9958 flip up canopy & tail

- NE 150mah, Zippy 240mah, 350mah Lipo

- Stock NE swash with MSR donor swash mod

- Paper rotor hub washers to correct lateral play & redude wobbles

- EFlite type battery connector wire for option to use Eflite or NE lipo types.

- Anti tippers for landing skid

- Stock Rx, motors, flybar, landing skid, blades

- Added foil tape heatsink for tail motor


- Installed XTreme Swash from Heli Ver 2, 28.63g without battery

...Continue Reading
Posted by Brosol | Sep 03, 2011 @ 04:37 AM | 10,488 Views
My custom Bravo III based heli:

- NE210A Rx & swash combo which offers more downward servo throw for FFF than NE310A Rx.

- Adapted a MCX mod....Extended length of swash plate linkage guide approx 2.5-3.0mm via push pin rod, dental floss, CA glue to allow use of longer swash balls for more cyclic throws: http://www.rcgroups.com/forums/showt...e#post11411882

- NE210A swash with "MSR swash donor mod" to fix minor TBE: http://www.rcgroups.com/forums/showt...r#post17049462

- Modded NE310A frame to allow use of inexpensive MyRCMart parts: GW 9958 canopy, tail boom & tail fin. Flip up canopy is held by pivot pins & rubber bands which allows quick easy access for mods & repair work, less noise for indoor flying.

- Added battery cable, MSR style connector to NE210A Rx to use Zippy 240mah lipo battery.

- modded Z bend flybar made & stiffened with Q-Tip tubing & paper clip bar: avoids lower blade strikes, offers stable & zippy flying.

- NE310A motors, landing skid, inner shaft, blades.

- Shimmed lower rotor blades with paper washers & lubed moving parts with Tri-Flow.

- Many of the performance mods for the MCX, MCX2 can be adapted & applied successfully to Solo NE210A, Bravo III NE310A.



[IMG]...Continue Reading