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From: "George Lendich" <lendich@aanet.com.au>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-4195419@logan.com>
Subject: Re: [FlyRotary] Re: Weber chokes
Date: Mon, 5 Apr 2010 17:36:23 +1000
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Mike,
I'm hearing ya!
I'm not so good with electronics - I need a plug in and play. I hear what 
the builders discuss with their programming and such and it leaves me kind 
of cold.
I figured if I had Bill as a local tutor I would be fine - however that's 
not the case. I have trouble following the schematics of a motorbike.
George (down under)

> George,
>
> It's a common concern and I hear it all the time from Lyc owners. Since 
> they don't understand it they don't trust it. Now a magneto...... Well 
> everyone understands and trusts a magneto. For 500 hours. Then you better 
> overhaul it because your on borrowed time after that.
>
> Talk to any car owner under the age of 30 and mention a tune up. Most of 
> them will look at you like your crazy. These days nobody thinks twice 
> about driving 100,000 miles without ever doing anything but changing oil. 
> Not even changing spark plugs. I remember my first car in high school. A 
> 67 Camaro with a warmed over 396 and dual point distributor - hottest 
> ignition going at the time. With a high perf coil I spent more time 
> replacing, cleaning, filing, and adjusting points than I did driving the 
> car.
>
> Funny that in the example you cited it was the mechanical switch that got 
> you, but you immediately went to the more reliable (no moving parts) 
> electronic system as the source of the problem. I guess its just human 
> nature to assume the worst (been there).
>
> I've given up trying to explain the choices I've made in my airplane. 
> People either get it and think its great (rarely), or they think I'm a 
> dumb guy with a death wish. Whatever.
>
> Mike Wills
>
> --------------------------------------------------
> From: "George Lendich" <lendich@aanet.com.au>
> Sent: Sunday, April 04, 2010 2:40 PM
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Weber chokes
>
>>
>>> George,
>>> You are correct but remember the manifold efficiency is based on having 
>>> the correct size runners to begin with. The venturi is needed to improve 
>>> vacuum to draw fuel. The Weber has a secondary venturi as well, the 
>>> little bullseye one in the middle. So things are complicated in any 
>>> case. A well tuned FI is almost always better.
>>> Bill Jepson
>>
>> Bill,
>> I love the concept of FI, it's the electronics and the complexities of it 
>> all that worries me. I think Lynn said it best, FI is almost always 
>> better - provided you have power. I couldn't have said it better myself.
>>
>> That statement struck a note for me, as I remember when I was traveling 
>> by myself in a very remote part of north Western Australia on a new bike 
>> (1800 Suzuki), it's got fuel injection the lot, all of a sudden it 
>> stopped and I was thinking %^&(*^$# how in the hell am I going to fix 
>> this out here. Luckily by the time it rolled to a stop I realized I had 
>> bumped the kill switch - -but for that moment there was a lot of anxiety.
>> George (down under)
>>
>> --
>> Homepage:  http://www.flyrotary.com/
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>
>
> --
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