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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Smog pump failure
Date: Sat, 7 Oct 2006 16:27:16 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

How about a small alternator instead?
Buly

On Oct 7, 2006, at 4:21 PM, John Slade wrote:

> Flying at 6000' near my home field last weekend, I noticed that  
> coolant temp was climbing past 230F.  I descended at idle and  
> landed normally.
>
> Investigation shows that my smog pump (used for vacuum) had seized.  
> With the clutch released it turns normally. Close the clutch and it  
> locks up solid. This took out the serpentine belt  (melted and  
> charred where it spun on the engine pulley), which obviously took  
> out the water pump and alternator. Not what I'd call a benign  
> failure mode!
>
> I plan to get rid of the smog pump in favor of a Dynon or similiar,  
> but will need an idler gear to route the belt. The alternative is  
> to replace the smog pump, then just let it idle when I install the  
> electric attitude / giro.
>
> Does anyone have a 2nd gen smog pump they'd like to sell?
>
> John Slade
> Turbo Rotary Cozy IV
> 81 hours.
>
> --
> Homepage:  http://www.flyrotary.com/
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