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New to boats, have a cheaper China abs boat I've been upgrading and completely redid everything from original setup. It's a 800mm with a 150 amp flycolor esc, turningy1650kv 70amp 2600 watt, 3674 motor running a 3/16 flex driven drive setup on 6s. What's a good prop size to start with?
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A 45 mm wouldn't be too much or could I go bigger -
You should start smaller, 40-42 mm and test and check and work your way up in prop size.NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
2016 SUHA Q Sport Hydro Hi Points Champion.
BOPMPBC Open Mono, Open Electric Champion.Comment
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Cat or mono? Racing or sport running? Exactly what batteries? What is the length of the pond?
An x440 would probably be quite safe as long as the boat is properly trimmed and not run for more than 2 minutes (use a timer). But we really need more info.
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Sport running, vector 80 mono, 2 3s 3000-30c in series.
I have multiple lakes of good size and a very wide, straight canal long enough to run out of signalComment
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I had just got it all done with an sss 3674 1300kv motor running a 40mm prop. Maiden run was gonna tape hatch after a quick cooling check and make sure no water was getting in through the drive. She ran perfect, ballanced but a little slow but safe at full speed n then bam she is stopped at an instant n sunk. Nose up but all submerged, lost hatch. There was a 5 gallon bucket under the water and I found it. Motor is smoking after I dried it out and tested it .everything else is good luckily because everything was brand new (esc, motor and power hd 20 kg digital servo) including complete everhaul of drive system upgradesComment
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I'll try the 40 I got n then go up from there. Never got to get results from the sss motor since it lasted all of 30 seconds. Most of that was trimming and making sure she was pissingComment
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Still waiting on the cheaper motor and new hatch so needed some new props and wasn't sure how big I can go with the new motorComment
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Run Graupner K serie propeller to find the best diameter.Comment
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Ok thanks, are they a cheaper prop I could get a few different sizes and then get a better qualityComment
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I have a 38 and a 40 gonna grab a 42 and a 45
Thanks again everyone, hopefully I'll have better luck this go aroundComment
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I buy some CNC Propellers here, 12 €uros each :
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Graupner K carbon propellers are available here at OSE :
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Nice setup, I had previously ordered the cheaper ose brand 38 and 40 I'll try these as well for testingComment
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How long does shipping take from AliExpressComment
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