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Author Topic: Frank's RV 4 30CC RV 4 by Horizon Hobbies  (Read 115 times)

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Offline Frank v B

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Frank's RV 4 30CC RV 4 by Horizon Hobbies
« on: February 10, 2019, 09:45:41 pm »
A re-start on this build.

Waited for the new motor mount.  The problem was the plane was designed for a Power 180 but the customer wanted a Power 360 (50CC equivalent).  The new motor mount is a 60 CC size for their XCUB 60CC.  Have to try to retrofit the firewall to accept this motor.

The new motor- Power 360 weighs 2.75 pounds, 6000 watts, can draw a continuous 130 Amps and needs a 160 amp ESC.

This plane should have unlimited vertical at idle!!

The reason for the green tape- To protect the motor from random metal pieces being sucked into the magnets.  Don't under-estimate this problem.  When building the SuperSportster the motor developed a rough spot.  It turned out a tiny piece of piano wire had attached itself to the magnets inside the motor.  Had to carefully remove it with surgical clamps.  Now the motor spins perfectly.  I then immediately taped up the large motor.

Frank



"Never trade luck for skill"

Offline Andy Hoffer

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Re: Frank's RV 4 30CC RV 4 by Horizon Hobbies
« Reply #1 on: February 11, 2019, 10:03:59 am »
A re-start on this build.

Waited for the new motor mount.  The problem was the plane was designed for a Power 180 but the customer wanted a Power 360 (50CC equivalent).  The new motor mount is a 60 CC size for their XCUB 60CC.  Have to try to retrofit the firewall to accept this motor.

The new motor- Power 360 weighs 2.75 pounds, 6000 watts, can draw a continuous 130 Amps and needs a 160 amp ESC.

This plane should have unlimited vertical at idle!!

The reason for the green tape- To protect the motor from random metal pieces being sucked into the magnets.  Don't under-estimate this problem.  When building the SuperSportster the motor developed a rough spot.  It turned out a tiny piece of piano wire had attached itself to the magnets inside the motor.  Had to carefully remove it with surgical clamps.  Now the motor spins perfectly.  I then immediately taped up the large motor.

Frank

Excellent advice!  Thanks @Frank v B !!

Andy

Offline sihinch

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Re: Frank's RV 4 30CC RV 4 by Horizon Hobbies
« Reply #2 on: February 11, 2019, 05:43:12 pm »
Sorry. Stop. Hang on.

Is that a genuine compliment from Andy to Frank?

Is everything Ok? Has hell frozen?

Offline Frank v B

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  • Real Name: Frank van Beurden
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  • Started Flying RC: 1989
Re: Frank's RV 4 30CC RV 4 by Horizon Hobbies
« Reply #3 on: February 11, 2019, 10:39:57 pm »
Simon,

re: "Has hell frozen?"

Apparently.
He must be getting soft in his old age. ;)

Frank
"Never trade luck for skill"

Offline Andy Hoffer

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Re: Frank's RV 4 30CC RV 4 by Horizon Hobbies
« Reply #4 on: February 12, 2019, 10:32:09 am »
Oh my goodness!  What have I done?  Must have been a very weak moment.

I think I will go out and clear some snow to exorcise my Dutch Demons!   8)

So very sorry for upsetting your equanimity!!

Andy