land-speed
[Top] [All Lists]

Re: dual Pyrometer..

To: Chuck Rothfuss <crothfuss@coastalnet.com>, land-speed@autox.team.net
Subject: Re: dual Pyrometer..
From: John Beckett <johnbeck@blueridge.cc.nc.us>
Date: Mon, 22 Mar 1999 10:54:21 -0500
Yeah, all rotary engins need a seperate fire system for the exhaust system.
New rule. I think it's fair since you don't have any valves to burn.

JB

At 10:46 AM 3/22/99 -0500, Chuck Rothfuss wrote:
>John, List, 
>
>  I assume these EGT readings are for a 4 stroke piston engine.  I'd have a
>tough time using any of the EGT monitoring systems I've seen, since rotary
>engine exhaust runs in the 1700-2000 degree range. (Hot and LOUD!) Most
>gages peak at 1700 degrees.  Just thinking about that exhaust temperature
>makes me want to mount another fire system for the engine compartment.
>
>Chuck Rothfuss
>  
>
>
>At 09:22 AM 3/22/99 -0500, you wrote:
>>      It's my understanding that your EGT should be in the 1200 deg. range
>>(rich) jto start with. After you make a run and get sorted out, start
>>leaning to the 1300 deg. range. 1400 is getting on the lean side. 1500 kiss
>>it good by. Nice thing about the Autometer Dual Pyrometers is the face is
>>large enough to read. My aircraft unit is really to small to see bouncing
>>along at over 200 MPH. ...Who was it that mentioned being comfortable in
>>your race car and blured vision at speed? 
>>
>>      John Beckett
>>
>>
>>
>>
>>At 09:19 PM 3/21/99 -0800, Keith Turk wrote:
>>>Well we fired up the motor today and broke in the girly CAM... Two
>>>significant events... other then Keith needs lessons in adjusting Roller
>>>Rockers on a HYD cam... 
>>>
>>>first.. I got to try out my two weeks of wiring... hmmm NO smoke... must be
>>>a super smoke holder inner... everything worked like stink first time out
>>>with no need for a fire extinguisher.. Not bad for the first time at the
>>>Rodeo...
>>>
>>>and I got to check out the new Pyrometer when I fired up the motor... Neat
>>>piece.. Not sure what it tells me so far... but it tells me something..
>>>First it told me that the valves were to tight by getting Hotter then it
>>>sould have been... and it has a recall feature which will give the Max
>>>Exhaust gas temp on that pass... Oh and I got to check out the Warning
>>>light feature with the Valves.... 
>>>
>>>I don't have a base line yet ... but I am thinking Jet changes will be
>>>easier... and it will at least provide some feedback.. on what the net
>>>effect of the change was temp wise ...
>>>
>>>This is one of the Autometer Dual Pyrometers Kinda pricey but I really
>>>noticed that several of you folks were running A/C style EGT gages....
>>>Keith Turk 
>>>Austin Healey 100  /  Bugeye / Box Sprite / Bonneville Land Speed Racer
>>>Camaro ( D Gas Altered )
>>>
>>
>>
>>
>>
>>
>



<Prev in Thread] Current Thread [Next in Thread>