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Here's one for the serious builders. Show us your ideas
Westland Whirlwind #3
02 Jun 2015 11:34 #61
by Quorneng
Replied by Quorneng on topic Westland Whirlwind #3
Barry
I would take inspiration from the FW190 and its fan cooled BMW 801.
Have you not got a huge out runner rotating just above the ESC?
You don't need a separate motor just put on some fan blades and a bit of ducting on the one you've got!
With positive air flow across it the ESC it can be 'close' cowled so you don't need a huge amount of air and you could still use the exhausts - how about in one side and out the other?
It might be worth considering some positive airflow over the motor as well.
I would take inspiration from the FW190 and its fan cooled BMW 801.
Have you not got a huge out runner rotating just above the ESC?
You don't need a separate motor just put on some fan blades and a bit of ducting on the one you've got!
With positive air flow across it the ESC it can be 'close' cowled so you don't need a huge amount of air and you could still use the exhausts - how about in one side and out the other?
It might be worth considering some positive airflow over the motor as well.
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02 Jun 2015 13:15 - 02 Jun 2015 13:17 #64
by chookman
Barry, every day you wake up is a great day
Replied by chookman on topic Westland Whirlwind #3
Eric so you are saying to fill in the exsisting hole and cut one out lower down( pencil marking ). ??? AFT??? i s that facing rearward opening??
What about the holes under the exhaust shrouds??? fill those in too???
Barry
What about the holes under the exhaust shrouds??? fill those in too???
Barry
Barry, every day you wake up is a great day
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02 Jun 2015 17:17 #65
by Quorneng
Replied by Quorneng on topic Westland Whirlwind #3
My idea would be to use the motor bell as the hub of the fan so it would not add any length to the motor assembly.
A centrifugal blower would work well in this situation something like this.
But then it is easy to draw a diagram!
A centrifugal blower would work well in this situation something like this.
But then it is easy to draw a diagram!
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06 Jun 2015 11:14 - 06 Jun 2015 11:21 #67
by chookman
Here is the subject I will try to copy, the decals are all available from Pyrmid models...handy hey
setting up the wing to fuz incidence has been quite involved as the plan asks for all incidences to be at 0 deg, but getting there slowly.
You can see the battery acsses, it has a floor in it to sit the battery onto and tie down to, I still have to work out how to fasten the nose cone onto fuz yet.....
Barry, every day you wake up is a great day
Replied by chookman on topic Westland Whirlwind #3
Here is the subject I will try to copy, the decals are all available from Pyrmid models...handy hey
setting up the wing to fuz incidence has been quite involved as the plan asks for all incidences to be at 0 deg, but getting there slowly.
You can see the battery acsses, it has a floor in it to sit the battery onto and tie down to, I still have to work out how to fasten the nose cone onto fuz yet.....
Barry, every day you wake up is a great day
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06 Jun 2015 11:50 - 06 Jun 2015 11:54 #69
by chookman
Barry, every day you wake up is a great day
Replied by chookman on topic Westland Whirlwind #3
Yep Eric ... great choice..... now where did put those magnets I bought ( H/K) 5yrs back 
Barry, every day you wake up is a great day
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06 Jun 2015 12:20 #70
by Ex-Member
Replied by Ex-Member on topic Westland Whirlwind #3
I like the choice of scheme, C'man, it should really look the part when finished. I'm choosing the prototype colours for my FF version - all silver with RAF Roundels and black lettering.
A quick tip if you use magnets to hold hatches, cowlings etc onto models - tie whatever it is onto the model with a length of elastic or string. If it then comes off in the air or on the ground, you won't loose it.
A quick tip if you use magnets to hold hatches, cowlings etc onto models - tie whatever it is onto the model with a length of elastic or string. If it then comes off in the air or on the ground, you won't loose it.
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06 Jun 2015 14:57 #73
by Ex-Member
Replied by Ex-Member on topic Westland Whirlwind #3
Thanks for all that C'man. Mine will be based on this picture:
I use the term 'based on' as the kit is not very accurate....
I use the term 'based on' as the kit is not very accurate....
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