Today's Message Index:
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1. 02:04 PM - Ducatti R/R deficiencies (Robert L. Nuckolls, III)
2. 02:21 PM - Re: Ducatti R/R deficiencies (pestar)
3. 02:47 PM - Re: Ducatti R/R deficiencies (Robert L. Nuckolls, III)
4. 06:34 PM - Re: Ducatti R/R deficiencies (John Cox)
Message 1
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| Subject: | Ducatti R/R deficiencies |
I took some time to finish an article I started some
years ago explaining my perceptions of thermal management
deficiencies in the Ducatti R/R supplied with Rotax
engines.
http://tinyurl.com/zvkoh4p
If anyone finds that I've stubbed my toe, give
me a heads-up!
I've got another one that speaks to the practical
application of 'filter' capacitors on the output
of rectifier-regulators for PM alternators . . .
but that one will need to wait a bit longer.
Bob . . .
Message 2
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| Subject: | Re: Ducatti R/R deficiencies |
Bob
I use a Schicke GR6 see http://www.schicke-electronic.de/dgr3.htm (unfortunately in German) for the reasons you speak off. I have a Rotax 914 and built my plane in France, there their comment was to only allow for a max of 14A out of the Rotax electrical system and then if only the wind was blowing in the right direction..
You can see what Schicke was endeavouring to achieve with their cooling, I do not
know how robust their solution is under their potting mixture.
Cheers Peter
--------
Peter Armstrong
Auckland, New Zealand
DynAero MCR-4S (Do not shoot me :) ).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=460312#460312
Message 3
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| Subject: | Re: Ducatti R/R deficiencies |
At 04:19 PM 9/6/2016, you wrote:
>
>Bob
>
>I use a Schicke GR6 see http://www.schicke-electronic.de/dgr3.htm
>(unfortunately in German) for the reasons you speak off. I have a
>Rotax 914 and built my plane in France, there their comment was to
>only allow for a max of 14A out of the Rotax electrical system and
>then if only the wind was blowing in the right direction..
>
>You can see what Schicke was endeavouring to achieve with their
>cooling, I do not know how robust their solution is under their
>potting mixture.
It's almost a certainty that this product maximizes
benefits of that very robust heat sink by bolting
the 'hot stuff' right to the metal.
Schicke and Silent-Hektik are probably only
two of many folks who have slain the R/R
dragon. Thanks for the heads-up on this product!
Bob . . .
Message 4
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| Subject: | Re: Ducatti R/R deficiencies |
Thank you for the clarity and depth of description. With ROTAX planning to
roll out the 915iS with the Garrett Turbocharger much like their 914,
additional heat is exactly the issued needed to be addressed by Airframe
designers. They are quoting over two dozen manufacturers planning on using
the new product when released. My question to them, still using 20 year
old technology with these Ducati parts?
As always, your perspective makes this discussion more "On Point" and
valued.
John Cox
On Tue, Sep 6, 2016 at 2:02 PM, Robert L. Nuckolls, III <
nuckolls.bob@aeroelectric.com> wrote:
> nuckolls.bob@aeroelectric.com>
>
>
> I took some time to finish an article I started some
> years ago explaining my perceptions of thermal management
> deficiencies in the Ducatti R/R supplied with Rotax
> engines.
>
> http://tinyurl.com/zvkoh4p
>
> If anyone finds that I've stubbed my toe, give
> me a heads-up!
>
> I've got another one that speaks to the practical
> application of 'filter' capacitors on the output
> of rectifier-regulators for PM alternators . . .
> but that one will need to wait a bit longer.
>
>
> Bob . . .
>
>
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