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Home✈️Aircraft🚁Helicoptere-MSH Protos, Mini Protos › Protos max v2 780mm blades on Msh 4530-500 motor
01-23-2018 07:40 PM  3 years ago
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piranhafreak

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Manahawkin NJ

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Protos max v2 780mm blades on Msh 4530-500 motor
Protos max v2 780mm blades on Msh 4530-500 motor I have been reading that the Msh 4530-500 motor is not really suitable for the 780mm blades anyone have an opinion on this?

I have the hobbywing 130 esc and running 12s 5000mah
Mabey one day i will actually land one of these things !!
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01-23-2018 07:43 PM  3 years ago
cudaboy_71

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The motor size is fine. The kv is just too high for the Hs you need to run with 780s. My buddy runs a 380kv. Others are running up to 450kv with a good active freewheeling esc.if it ain't broke, break it.
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01-23-2018 07:49 PM  3 years ago
piranhafreak

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So I would be better off with 716s maybeMabey one day i will actually land one of these things !!
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01-23-2018 08:18 PM  3 years ago
cudaboy_71

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That motor is good for 1800-2200rpm with the available pinions. So, ya 690-718 blades Would run well in that range.

Edit—just to be clear: you can run the 500kv motor using the smallest (18t) pinion available and run 1850-1900rpm. But that is the slowest that setup will really perform at ...and those headspeeds are at the top end of a 770- class machine. That’s why you’re hearing that the motor is unsuitable. But it is on the edge of the envelope. If you fly really hard 3D it would be fine. But, most are flying 1500-1800rpm, finding the sweet spot for 3D around 1750-1800.
if it ain't broke, break it.
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01-23-2018 08:43 PM  3 years ago
piranhafreak

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Cool thanksMabey one day i will actually land one of these things !!
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01-23-2018 09:13 PM  3 years ago
cudaboy_71

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Made an edit above FYI. I didn’t see that you had replied already.

Also, I think the 130amp esc might be a little on the small size for a 750-class heli. I have a 160 on my 700 setup. I have it stripped down to 12.2-12.5lbs with the leggero upgrades and 12s 5000 packs and still regularly pull 150-170max amp spikes (via vcontrol telemetry). A 750 is lugging around much more weight and disc..I'd want to bump up my security blanket a little if it were me....though most modern escs are made to withstand considerable spikes before shutting down.

again, that's only my concern with a 750-class machine. 130 is pretty proven setup on 700-715s
if it ain't broke, break it.
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01-23-2018 09:31 PM  3 years ago
piranhafreak

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Ok I think I’m gonna ditch the 780mm then dont really want to upgrade the esc and or motor at this time I think I would be perfectly happy running 690-716 plus i already have a complete boom and setup to convert back to 700 just need bladesMabey one day i will actually land one of these things !!
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