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Mar 25, 2020, 05:23 PM
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Astro flight 208d with reversing


Hi I have the Astro flight 208d reverse the year is 2007 .can I run 14.2 volts with this esc the motor is a gold 25 Astro brushed 12 volt marine .does anyone know for sure on the voltage?
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Mar 25, 2020, 05:37 PM
Where's Pamela?
patmat2350's Avatar
Google is your friend:
https://www.astroflight.com/208d-rev...s-details.html
Mar 25, 2020, 07:38 PM
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Hi I looked on line and some said only 12 v some were more with the Same part number ??
Mar 25, 2020, 07:52 PM
Where's Pamela?
patmat2350's Avatar
There's also a customer service link on that page.
Mar 25, 2020, 08:30 PM
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Thanks I will call tomorrow
Mar 26, 2020, 03:18 AM
Just Plane Nutts
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"14.2v" ? Is that NiMH?

Li-Po 4S is 14.8v (3.7v x 4), and with a full charge it's 16.8 volts (4.2v x 4). Keep that in mind.
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Mar 26, 2020, 05:58 AM
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Yes nimh thanks
Mar 27, 2020, 09:17 AM
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NI-MH & NI-CD batteries are rated at 7.2 volts per six cells. LI-PO’s are rated at 3.7 volts per cell or 7.4 for 2 cell pack. A 4 cell LI-PO pack has a nominal voltage of 14.8 volts.
Last edited by frankg; Mar 27, 2020 at 12:14 PM.
Mar 27, 2020, 09:34 AM
Just Plane Nutts
AirDOGGe's Avatar
Quote:
Originally Posted by frankg
NI-MH & NI-CD batteries are rated at 7.2 volts per six cells. LI-POs are rated at 3.2 volts per cell or 7.4 for 2 cell pack. A 4 cell LI-PO pack has a nominal voltage of 14.8 volts.

Might wanna re-do that one
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Mar 27, 2020, 12:19 PM
Registered User
Note taken. I ment 3.7 volts per cell on the LI-PO batteries.
Mar 28, 2020, 04:52 AM
Nickel Belter
ZZ56's Avatar
The 208D will run up to 24 volts, I've done it with no issues.
Mar 28, 2020, 06:49 AM
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Hi I’m going to run today on 14.2 we will see what happens I will let you guys know thanks
Mar 28, 2020, 09:29 AM
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Went to the pond the esc Survived now I need the correct props the motors got very hot esc were not bad I could hold them the motors could not hold thanks
Mar 29, 2020, 11:25 AM
Latitudes vs Attitudes
Bob Gaito's Avatar
An average persons hand can hold a 140* F object for a very few seconds - so those motors were quite HOT
Mar 29, 2020, 03:36 PM
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CaptCB's Avatar
Since Astro Flight used to be about a half hour drive....

We used to use a lot of the Astro 25 "Marine" motors, (not the Cobalt) in tugs and the large Dumas PT's. BUT, we almost ALWAYS, kept the voltage to 12v, as that is the "designed" running voltage for those motors! Higher voltages were used for race boats, which resulting in greatly shorted motor life.

**Don't burn them up, as they are NOT replaceable.


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