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Ampdraw's blog
Posted by Ampdraw | May 25, 2011 @ 09:27 AM | 4,083 Views
Weight is board only where possible. Please feel free to post other esc's in the sub 7A range suitable for 1s.



XP-3A (burst 4A): 0.42g
http://www.leaderhobby.com/product.asp?ID=9394001220261

Turnigy 3A (5A burst): Note switching bec and some reports of 5V output!
http://www.hobbyking.com/hobbyking/s...dproduct=10334

BlueArrow 6A (8A burst)
http://www.hobbyking.com/hobbyking/s...idProduct=9899

Cirrus Micro Joule 5A: http://www.hobbypeople.net/index.php...cell-lipo.html

Microinvent MBC3 3A 0.22g:
http://www.microinvent.com/mambo/ind...d=23&Itemid=42

Moxie 5A (7A burst):
http://www.lowpricerc.com/product_in...oducts_id=1079

TMM 0703-3 Expert 7A (10A burst) 1.1g: (very good esc from reports)
http://mgm-compro.com/index.php?tid=...-0703-3-expert

XP-7A (9A burst): 1.67g
http://www.leaderhobby.com/product.asp?ID=9394001220259

YGE 4A: 0.6g
http://www.yge.de/artikel.php?search=yge4s

E-Power 5A (burst 7A) Also known as AEORC 5A: 1.33g
http://www.aeorc.com/english/?product-193.html


Couple of great posts from Vladimir88
on small esc comparative testing and his recommendation on which are the best in this class. He has done extensive testing!
http://www.rcgroups.com/forums/showp...0&postcount=10
http://www.rcgroups.com/forums/showp...75&postcount=4

Amp
Posted by Ampdraw | Nov 15, 2010 @ 02:04 AM | 6,038 Views
AUW with Hyp 2s 95g
Turnigy 16-06 rewind 15 or 16T pinion (300g lifting power see vid below)
Castle Creations Pheonix 10A
Spartan Quark stripped: http://www.helifreak.com/showthread.php?t=235741
Walkera 02-1 (4g6) digital cyclic servos
Tail servo BlueArrow D05010MG: http://www.rcgroups.com/forums/showp...&postcount=359
AR6300
Hyperion 320mah 25/45C in 2s1p 7.4V

4g6 tail blades now trimmed 1mm of both chord and length.
Simulated CF foam main blades
Microheliconcepts tail fin. US buyers this one: http://www.clubheli.com/JJetski-V120...in_p_2848.html
Older landing gear: http://www3.towerhobbies.com/cgi-bin...?&I=LXYWN4&P=Z
Gaui 200 boom support ends (plastic) with 1.5mm cf rod: http://www.gaui.com.tw/parts_2009/203209.jpg
Strengthened plastic head http://www.rcgroups.com/forums/showthread.php?t=1265523
New 4g6s grips
Gaui mixers (203640): http://www.gaui.com.tw/parts_2009/203640.jpg
Stock feathering shaft, and dampers.

Rpm and full negative data as well as downforce figures here: http://www.rcgroups.com/forums/showp...&postcount=229

Spek 4g6 thread http://www.rcgroups.com/forums/showthread.php?t=1145004


Mod for more tail pitch against rotor torque. 16/11/10

Removed all tail assembly. Looked at how far I could move the retaining collar outward and still have the screw seat on the shaft properly...about 1.5mm. Used a worn front gear to make a 1.5mm keyed spacer. Filed teeth down and trimmed to size. Had to reduce the clear tube...Continue Reading
Posted by Ampdraw | Jul 29, 2010 @ 07:21 AM | 5,247 Views
Just finished mounting and testing the rewound Turnigy 16-06.

Stock wind for 3000kv was 12T 0.25mm
New wind (approx 6000kv) 6T twin strand 0.25mm

Here's a vid of some bench testing. Heli currently has a worn main gear and by the sound of things at 100%, I need to adjust the lash. Not too worried atm...just testing potential power.

Testing: Rewound Turnigy 16-06 in Spektrum 4g6 (1 min 43 sec)



Here's a vid of the lifting power on 16T, CC10A, HYp 320 25/45C 2s
Hits 300g and stabilises at 285 or so.

...Continue Reading