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Old 05-25-2015, 08:25 AM   #1 (permalink)
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Default how to figure headspeed?
Hi. Was trying to calculate head speeds on mr mels site.do i add the 3 gears together to figure main gear count? 136t? With cc gov,520kv motor and 20t says 2900 head speed..is this right?
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Old 05-25-2015, 09:10 AM   #2 (permalink)
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HI Iheliflyer

This is for the Mostro, right?

Use 208 for main gear

Kind Regards

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Old 05-25-2015, 12:11 PM   #3 (permalink)
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Yes. Monstro.. thanks. Just so i know , how is that 208 number figured out?
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Old 05-25-2015, 12:46 PM   #4 (permalink)
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http://www.avantrc.com/index.php/the-new

Look in the June 14th 2014 update


Kind regards

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Old 05-25-2015, 07:50 PM   #5 (permalink)
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is that also the same on a nitro?
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Old 05-26-2015, 09:55 AM   #6 (permalink)
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8.01 gear ratio for Nitro. I use 8.0 on my vbar gov setup.
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Old 05-26-2015, 01:50 PM   #7 (permalink)
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ok thanks for the info!!! i just picked up a nitro and setting it up!!!
Now if i could only find a 2S 5000 mAh lipo in-stock somewhere!!!
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Old 05-26-2015, 02:16 PM   #8 (permalink)
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buddyrc

http://www.buddyrc.com/glacier-5000m...r-battery.html

What engine you running? I went with YS120 srx with hatori on 15% nitro and love it.
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Old 05-26-2015, 03:05 PM   #9 (permalink)
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thanks for the link i forgot about glacier packs? From everything that I'm reading it looks like you need a big pack to get it to cg?

I have a OS105 HZR and OS 105 Powerboost pipe. I have been out of the Nitro game for a long long time and i'm excited to get that nitro smell again!!!!
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Old 05-26-2015, 03:25 PM   #10 (permalink)
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I know I'm still tail heavy with a 3600. I'd rather the extra weight be in power for more flights than weights so I plan to switch to a 5000.
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Old 05-27-2015, 08:04 AM   #11 (permalink)
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I'm running a glacier 5000 pack on mine and it just about CGs level at the end of the tray.
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Old 06-13-2015, 05:51 PM   #12 (permalink)
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Default gear ratio
So what would be the gear ratio if using a 23t motor pulley? Programming a kosmik and only asks for gear ratio
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Old 06-13-2015, 06:21 PM   #13 (permalink)
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9.04?
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Old 06-13-2015, 06:47 PM   #14 (permalink)
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Yup. Though rounding up would be 9.05 from 9.048 (208.12 / 23)
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