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Posted by Soma | May 01, 2014 @ 12:54 AM | 35,997 Views
The ultimate mini-multi power system?

(edit... since this thread started the 2350KV version has become available and is now new top dog in the 'ultimate' stakes See within for examples, I'm yet to get my hands on some.)

* Tiger MT2206 2000KV motor
* HQ Prop 6x4.5 Carbon / Nylon Prop
* 4S Lipo


4.65kg of thrust in a mini-quad anyone?

Check the HQ Prop thread for prop details and vendors...
http://www.rcgroups.com/forums/showthread.php?t=1874705



This combo produces at half throttle, what the Sunnysky 2204 2300KV produces at full throttle with 5" props on 3S, and at 70% of the amps.

Full throttle is 2.3x more thrust, in a motor 1.5x heavier (30g vs 20g), and a prop 20% larger in diameter. Or, four of these at 120g will produce 150% of the thrust of six 20g motors with 5" props, and should produce the same thrust with comparable efficiency.

Plus a healthy 1.7x advantage over a reported thrust of 685g with the cobra 2204 1960KV on 4S with HQ Prop 5x4's.


Tiger MT2206 2000KV - 4S - HQ Prop 6x4.5 (0 min 33 sec)





Peak Output - 1164 grams...

...Continue Reading
Posted by Soma | Feb 26, 2014 @ 01:29 AM | 55,144 Views
Sunnysky X2204 2300KV

A decent mini motor has been a long time coming! Good thing it was worth the wait! The Sunnysky X2204S 2300KV has become an instant hit in the mini multirotor world, and with good reason, it is the perfect balance of performance and price.




I do believe it is being under utilised in the majority of applications using 5 inch props, and I hope these figures will encourage growth in frames designed for 6 inch props, (Particularly the HQ Prop 6x3 on 3S), to fully take advantage of the power we now have at our disposal.

Matching motor and prop is necessary to get every ounce of performance from the system, and it is a highly dynamic equation. I believe the perfect balance with the SS X2204S 2300KV on 3S is the HQ Prop 6x3 for all-round & heavier applications (such as mini FPV), and the FC 6x4.5 prop for lightweight acro frames.


3S Tests and Figures...


Sunnysky X2204S 2300KV Thrust Test - 3S (2 min 17 sec)





2S Tests and Figures...
...Continue Reading
Posted by Soma | Nov 22, 2013 @ 03:52 AM | 8,292 Views
Amazing motor & props. Just the deal for micro aerial photography!
www.minihquad.com





Blackout MN1806 2300KV + Tiger CF 6x2 Prop - 2 & 3S (1 min 26 sec)


2 & 3S 1806 2300KV bench test spreadsheet here... (Updated with the Tiger 6x2 results soon)
https://docs.google.com/spreadsheet/...yY2g5LWc#gid=0

...Continue Reading
Posted by Soma | Nov 08, 2013 @ 04:25 AM | 20,532 Views
Bench Test of the Sunnysky V2216 800KV motor with 8 props on 3S & 4S.

Equipment used...
DIY thrust stand and scales
Eagle Tree data logger V3 inc RPM sensor
Hobbyking 30A Blue Series ESC - SimonK 2013-05-15 firmware
3S 9600mAh and 4S 12,000mAh lipo packs



Props...
1. APC 10x4.5MR
2. APC 10x5.5MR
3. APC 11x5.5E Thin Electric
4. Himodel FC 11x5.5 Hyper Drive (APC clone)
5. Carbon Fibre Graupner Style 11x5
6. Gemfan Carbon / Nylon 11x5
7. Gemfan Carbon / Nylon 10x5
8. Gemfan Carbon / Nylon 1045




Notes...
- The test was aimed at 4S, this motor could turn bigger props on 3S
- Lipos were fully charged so somewhat non standard voltages
- The APC 11x5.5E was the only prop balanced out of the packet. All others were OK, except the Gemfans which were very unbalanced.
- Comparing the APC11x5.5E and the plastic clone is very interesting. The difference can be heard in the video. Incredible 225 gram thrust difference between two props that look identical. APC all the way
- The APC 10x5.5MR is almost identical in performance to the 10x4.5MR. Small amount more performance but less efficient.
- The APC multirotor props have slightly less thrust than a slow fly but are more efficient, and are more rigid.
- The carbon high speed (Graupner style) prop was very quiet, efficient and punchy! It would absolutely rock on a higher KV 2216 version
- KV was measured around 770KV by a HK KV tester but the Eagle Tree figures worked out to 875-895KV. I don't know which...Continue Reading
Posted by Soma | Sep 22, 2013 @ 08:51 AM | 8,282 Views
...
Impressed with reports, vids and my own experiments of cutting props, I wanted a way to to cut them easily and accurately.

Dremel Prop Cutter (2 min 7 sec)



Parts...
HQ Prop 9x5's
Dremel
Dremel dry wall bit

Dremel router attachment thingy (I'll try find the rioght name)


9x9 Tassie Oak from bunnings.
Really needs 10x10, I used 4 M4 washers between the wood.
One side drilled to pass the screw, the other to thread.
Measured in half inch increments from the centre of the prop adapter.


Tech screws and prop adapter.
Only the centre part of the router thingy is used.
...Continue Reading
Posted by Soma | Aug 30, 2013 @ 10:11 PM | 9,029 Views
My 'Big Bird'

AUW - about 900 grams
11x5.5 Hyper Drive - Props
DT750 (35x7) 750KV - Motors
Plush 18A - BLHeli - ESCs
Lemon-Flip - RX-FC
3S 3200mAh 45C Thunderpower Hardcase - Lipo
(4S is coming but need to sort bearing issues)
400mm Warthox - Frame


I'm also building a second quad this scale so stay tuned ...

11x5.5 Hyper Drive - Props
Sunnysky V2216 800KV - Motors
Blue Series 20A - SimonK - ESC's
Lemon-Flip - RX-FC
4S 2200mAh 65C Nanotech - Lipos (May need bigger)
400mm Warthox - Frame (CF plates & Alu arms)


Warthox DT750 11x5.5 3S (5 min 22 sec)


With Gemfan carbon / nylon 1047's


Scale...


Prop clearance (Sunnyskys will have a small amount more)
...Continue Reading
Posted by Soma | Aug 09, 2013 @ 04:32 AM | 18,981 Views
http://www.hobbyking.com/hobbyking/s...outrunner.html


A quick handheld test on 7.4V. These need 3S for full power. Very smooth, fast response.
Multistar 1704 1900KV 2S (0 min 42 sec)



Well machined integrated M5 prop mount & M2 nylock to retain shaft


The nut makes adjusting clearance easy, hope they stay on!
...Continue Reading
Posted by Soma | Aug 02, 2013 @ 06:24 AM | 8,877 Views
These are AWESOME props!!!!!

Absolute dream to fly!

HQ Prop 8x5 - 4S (2 min 26 sec)


2205 1275kV SK3
12A Blue Series ESC SimonK
Lemon-Flip-Pro RX-FC
4S 1300mAh 45C
Mounted on 2 Sticks
AUW - around 420g
Posted by Soma | Jul 19, 2013 @ 09:42 PM | 7,993 Views
Posted by Soma | Jul 12, 2013 @ 02:57 AM | 10,779 Views
New Vid - Round 2 Fixed the broken motor wire and back in the air.
FnBL Round Two (3 min 39 sec)






...Continue Reading