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Thread: Suggested prop size for an Osprey

  1. 04-19-2018, 01:08 AM #1
    Old School
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    Default Suggested prop size for an Osprey

    I am currently building a 41" Hobbyking Osprey mono and will need to decide on a suitable propellor to commence running (testing). By default the hull is fitted with a Turnigy T20 (56/98?) which will be set at 1280kv on 6s with two 6s 60C batteries in parallel. This will couple to a 3/16" drive shaft through a Speedmaster 1/4" stinger modified to run a 3/16" cable. The ESC will most likely be a Hifei Swordfish 200/220 amp model.

    I currently have the following propellors to consider (balanced and sharpened) -

    46.5mm 1.4 2 blade (brass)
    48mm 1.4 2 blade (brass)
    52mm 1.4 2 blade (brass)
    52mm 1.4 3 blade (stainless)
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  2. 04-19-2018, 05:21 PM #2
    jim82
    jim82 is offline Fast Electric Addict!
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    Try both the 52mm props you have should get you in the low 50's
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  3. 04-19-2018, 06:03 PM #3
    jim82
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  4. 04-19-2018, 06:49 PM #4
    Old School
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    Many thanks
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