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Sep 11, 2011, 02:16 AM
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GNieuwoudt's Avatar
Discussion

Electrifying a 1:4 vintage Ka8


Hi fellow model builders.
I am building a Ka8 from Cliff Charlsworth plans and plan to electrify it for flat field flying.I need some help from someone with experience to sizing the motor and prop. The model is a 4m wingspan and I guess it will come out between 3 to 4 kg max AUW. The Idea is that it should be able to climb gently to height so do not need any rocket motor. I have previously electrified a 1:4 scale Neuport 28 and it flies beautifully on electric.

Any one who can share some experience would be appreciated.

Cheers
Gert
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Sep 11, 2011, 06:30 AM
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Andy W's Avatar
What do you have in the Neuport? What does it weigh?
..a
Sep 11, 2011, 07:51 AM
Balsa addiction since age 3
ScottSails's Avatar
Quote:
Originally Posted by GNieuwoudt View Post
Hi fellow model builders.
I am building a Ka8 from Cliff Charlsworth plans and plan to electrify it for flat field flying.I need some help from someone with experience to sizing the motor and prop. The model is a 4m wingspan and I guess it will come out between 3 to 4 kg max AUW. The Idea is that it should be able to climb gently to height so do not need any rocket motor. I have previously electrified a 1:4 scale Neuport 28 and it flies beautifully on electric.

Any one who can share some experience would be appreciated.

Cheers
Gert
Weight and wing area and climb rate desired? ie - get to 200M in 30sec, 60 sec or ?
Sep 11, 2011, 12:17 PM
Registered User
Quote:
Originally Posted by GNieuwoudt View Post
Hi fellow model builders.
I am building a Ka8 from Cliff Charlsworth plans and plan to electrify it for flat field flying.I need some help from someone with experience to sizing the motor and prop. The model is a 4m wingspan and I guess it will come out between 3 to 4 kg max AUW. The Idea is that it should be able to climb gently to height so do not need any rocket motor. I have previously electrified a 1:4 scale Neuport 28 and it flies beautifully on electric.

Any one who can share some experience would be appreciated.

Cheers
Gert
Here's some ideas that will allow you to retain the scale nose shape.

https://www.rcgroups.com/forums/show...83&postcount=9


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