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Search: Posts Made By: Got RPM
Showing results 1 to 6 of 6
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Forum: RC Airboats
08-15-2020, 05:39 PM
Replies: 119
Views: 36,353
Posted By Got RPM

Question Were you ever running WOT? Seems awfully slow....

Were you ever running WOT? Seems awfully slow. Try moving the CG back to free up the hull, it should run on the back half of the sponsons.





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Forum: RC Airboats
09-03-2019, 04:29 PM
Replies: 119
Views: 36,353
Posted By Got RPM

You stated you were using two 12 volt batteries...

You stated you were using two 12 volt batteries in series. That is close to 8S. You are still over the recommended safe rpm with 24 volts and the E prop:

825 x 9 = 19,000 rpm

150,000/9 =...
Forum: RC Airboats
09-03-2019, 04:00 PM
Replies: 119
Views: 36,353
Posted By Got RPM

Exclamation There is a major problem using 8S with that motor...

There is a major problem using 8S with that motor and propeller. APC states that the maximum safe rpm for their E props is 150,000/prop diameter. For their nitro props it is 190,000/prop diameter....
Forum: RC Airboats
08-25-2019, 04:07 PM
Replies: 119
Views: 36,353
Posted By Got RPM

Cool Looks good! Yep, 5S or 6S will really wake the...

Looks good! Yep, 5S or 6S will really wake the boat up. Propcalc estimates that on 6S you’ll be pulling over 50 amps using the 9x6 prop with twice the static thrust. Limit your run time to two...
Forum: RC Airboats
08-22-2019, 06:21 AM
Replies: 119
Views: 36,353
Posted By Got RPM

Cool Love the pics. Where were you planning to set...

Love the pics. Where were you planning to set your CG? Is there an exit for the cooling air from the motor nacelle?

Don’t forget to tape the hatch seams.

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Forum: RC Airboats
08-11-2019, 10:26 AM
Replies: 119
Views: 36,353
Posted By Got RPM

Cool I run a Castle ICE100 air controller sealed...

I run a Castle ICE100 air controller sealed inside one of my airboats, it gets warm but hasn’t overheated. But then, I am not propping for a high amp power level. The problem with air vents is that...
Showing results 1 to 6 of 6


 
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