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From: "Mike Wills" <rv-4mike@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: Weber chokes
Date: Mon, 5 Apr 2010 21:10:23 -0700
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George,

Well the tuning process doesn't really have anything to do with 
"electronics". Given my past issues with tuning I'm not really a shining 
example of how easy it can be. But I'd rather be able to tune by punching a 
button rather than replacing jets, venturis, needles, whatever.

Mike

--------------------------------------------------
From: "George Lendich" <lendich@aanet.com.au>
Sent: Monday, April 05, 2010 12:36 AM
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Weber chokes

> 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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>>
>
>
> --
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