Karl,
I agree with you, but the standard Skydrive mechanical valve works very well
without trouble and can be operated by a standard wire choke cable available
---From any motor factor.
Hope that helps,
William
----- Original Message -----
From: "Karl Heindl" <kheindl@msn.com>
Sent: Sunday, September 03, 2006 12:09 PM
Subject: Re: Europa-List: Skydrive on/off control
>
>
> Tim,
>
> That is what I thought, but it is actually not true.
> When on the ground, and you have a long taxi run, especially on a grass
> field and/or on a very hot day, the hot coolant will cause the fuel to
> boil in the carburator bowls. You can easily verify this by looking at the
> clear carb vent tube through the stbd cowling door, and you will see the
> fuel bubbling up into the airbox. You will not be able to start your
> engine at this stage as the carbs are flooded. I've proven it by putting a
> clamp on the coolant hose to stop circulation. The local Rotax agent
> educated me about the Skydrive. He also claims that because the added
> collar moves the carburator further from the engine, it contributes to
> vibration problems.
> And lastly, I don't believe that hot air and hot fuel going into the
> combustion, does not affect engine performance. You have a 914, so you
> wouldn't know.
>
> Best regards,
>
> karl
>
>
>>From: "Tim Ward" <ward.t@xtra.co.nz>
>>Reply-To: europa-list@matronics.com
>>To: <europa-list@matronics.com>
>>Subject: Re: Europa-List: Skydrive on/off control
>>Date: Sun, 3 Sep 2006 13:45:58 +1200
>>
>>
>>Karl,
>>Just keep the carb heat on all the time, no performance penalty. Having a
>>switch is just another thing to go wrong and fix!
>>Cheers,
>>Tim
>>Tim Ward
>>12 Waiwetu Street,
>>Fendalton,
>>Christchurch, 8052
>>New Zealand
>>
>>Ph +64 3 3515166
>>Mobile 021 0640221
>>ward.t@xtra.co.nz
>>----- Original Message ----- From: "Karl Heindl" <kheindl@msn.com>
>>To: <europa-list@matronics.com>
>>Sent: Sunday, September 03, 2006 12:20 PM
>>Subject: Europa-List: Skydrive on/off control
>>
>>
>>>
>>>
>>>
>>>Does anyone know of an inline valve, controlled electrically, for
>>>controlling the coolant flow in the Skydrive carb heater ?
>>>I know they exist for central heating systems, but are the wrong voltage.
>>>
>>>thanks in advance,
>>>
>>>Karl
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
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>
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