Today's Message Index:
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1. 05:13 AM - Re: 914 Battery Locations (Remi Guerner)
2. 06:50 AM - Re: 914 Battery Locations (Gilles Thesee)
3. 07:26 AM - Wheel pants help (William Daniell)
4. 01:30 PM - Re: Europa Construction and Maintenance Topics Expanded (n7188u)
5. 06:26 PM - Re: Wheel pants help (budyerly@msn.com)
Message 1
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Subject: | Re: 914 Battery Locations |
Hello Tony,
It is a lot better to have the battery as close as possible to the starter motor.
It makes starting the engine easier and saves about 1 kg of heavy copper cables.
Originally (that was 20 years ago), my Monowheel had an 8kg battery installed
below the bagage bay. Over the years it was replaced with a 5kg Odyssey,
then a 1.2 kg Lithium Super B. This later one is installed on the passenger footwell.
My empty CoG is at 57.56" (that includes a spare outrigger leg and a
spare tube stored in the back of the fuselage). In your worst case, 180kg in the
seats and no bagage, I would need to have at least 35 liters remaining in the
tank to stay on the safe side the CoG fwd limit. I had many occasions to fly
at the forward limit and I can say the aircraft flies very well in this configuration.
My advice is: choose a lightweight lithium battery and install it close to the
engine.
Regards
Remi
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=495788#495788
Message 2
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Subject: | Re: 914 Battery Locations |
Le 12/04/2020 12:33, Tony Renshaw a crit:
> <tonyrenshaw268@gmail.com> Gidday all, Before I put the top on I have
> the decision, where do I put my battery for my 914 powered beast? It
> seems under the parcel shelf accessed through the two seat pan panels,
> or right down the back just forward of the tail plane bulkhead. Could
> I please ask for any advice or input, and I do wish to be able to
> have, worst case 180 kg in the seats, and close to zero fuel in the
> tank, and still be in CoG, with an Airmaster prop hanging off the front. /
//
Hi Tony, The battery location is commanded by CoG considerations. There
is no problems having the battery(ies) in the back, and no problem
starting, provided you use the proper wire gauge. The Rotax are happy
with AWG 6 for short to medium lengths, and AWG 4 when batteries are far
in the back. Our 914 4-seater (= not an Europa^^!) has the starting
battery in the back to achieve correct CoG, and we never had any
starting problems. The same applies to every airplane I happen to wire.
We are using one small 7 Ah, 2.7 kg SBS8 Hawker RG battery in the back.
Starting problems are usually related to wiring issues. FWIW.
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 3
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Subject: | Wheel pants help |
I have a couple of questions for the assembled wisdom...
I fly off a grass strip. Grass grows quickly in florida and the mowing is
not as frequently as one would like with the consequence that the grass can
be quite long. I have removed my wheel pants but N460HJ looks undressed
without them not to mention a slight speed penalty so Id like to have them
back on.
Bud mentioned that one needs to modify the wheel fairing so that dirt
doesn't accumulate inside the wheel pant. Has anyone got a picture of this?
I feel that the attachment method is not robust enough when the grass has
not been mowed for a while. Has anyone modified the attachment method?
thanks
Will
William Daniell
LONGPORT
+1 786 878 0246
Message 4
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Subject: | Re: Europa Construction and Maintenance Topics Expanded |
Thanks Bud. As always very helpful info.
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=495797#495797
Message 5
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Subject: | Re: Wheel pants help |
Contact me off line and I'll send you my wheel pant instructions on putting in
bulkheads.
Bud Yerly
Custom Flight Creations, Inc.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=495801#495801
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