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Home✈️Aircraft🚁Helicoptere-MikadoLogo 600 › Logo 600sx, is it safe to run 105 mm tail blades?
07-22-2013 10:50 AM  6 years ago
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Fltwrm

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Norway

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Logo 600sx, is it safe to run 105 mm tail blades?
I wonder if MrMel and dahld were correct when they (a long time ago) said sx could run 105mm tail blades with no problem in this http://rc.runryder.com/t693242p1/ thread.

Really want the extra pop you get from 623mm mains and I guess you'd need more authority in the tail to keep it in check.. If anyone is running 623s with 95s i'd like to know, maybe its ok? This guy seems to do allright with that setup:

Watch at YouTube

TL;DR Want to run 623s, 105s ok on tail? 95 ok on tail?=
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07-22-2013 12:10 PM  6 years ago
Ronald Thomas

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Gainesville, Fl, USA

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The hub was upgraded for that specific reason. I run 105s on mine but 95s work well also with 623s.

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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07-22-2013 12:11 PM  6 years ago
Ronald Thomas

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If MrMel AND Mr. Dahl agree, it is golden Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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07-22-2013 12:55 PM  6 years ago
Fltwrm

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Norway

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thanks for the quick answer bro, what headspeed are you running?
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07-22-2013 02:07 PM  6 years ago
Ronald Thomas

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2200 (Idle up 1) 2300 (Idle up 2)Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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07-23-2013 01:50 AM  6 years ago
BobOD

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New York- USA

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105's might be good for lower head speeds but probably not needed and less efficient at higher.
Also, they increased the hub dia to 5mm so they could use an M3 bolt which is definitely going to be more safe. However, they kept the same bearing OD to avoid changing the grip. They went from 4 x 8 x 3 to 5 x 8 x 3 bearings which have half the dynamic load capability. I predict poor bearing life, especially with 105's.
Still, I think better to have the M3 bolt for the added safety.
Team POP Secret
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07-23-2013 03:21 AM  6 years ago
Ronald Thomas

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Gainesville, Fl, USA

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Fltwrm, I ran 105mm tails on my older Logo600 for 3 years as well...never replaced the tail bearings and ran 2300 HS as well Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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07-23-2013 04:48 AM  6 years ago
BobOD

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New York- USA

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Indeed. Mine lasted pretty good depending on aggressiveness. Just a bit concerned that the new radials have half the load rating is all. Larger ID means less room for the balls thus the lower ratings.
But, there was that occasional thrown grip by people flying hard so I do agree upping the bolt size is a big plus.
Team POP Secret
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07-27-2013 02:29 AM  6 years ago
OICU812

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Edson, Alberta, Canada

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IMO 105mm tails are needed actually, reason they upgraded the hub to simply be able to do so....Once upon a time there were Nitros, flybars and frequency pins...
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Home✈️Aircraft🚁Helicoptere-MikadoLogo 600 › Logo 600sx, is it safe to run 105 mm tail blades?
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