REFLECTOR: N4PE "The Ape" First Start

[Brian Michalk]

Uhh, yeah.  28 inches MAP.  I would have blown a jug with 28PSI.

Laurence Coen wrote:
> Brian,
> 
> Did you mean to say the MAP was 28" not 28 PSI?  My carbureted Slick mag 
> Franklin/IVO turns 2500 RPM static.
> 
> Larry Coen
> N136LC
> 
> ----- Original Message ----- From: "Douglas Holub" <doug.holub at comcast.net>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Monday, February 27, 2006 8:23 AM
> Subject: Re: REFLECTOR: N4PE "The Ape" First Start
> 
> 
>> Congratulations Brian!
>> ----- Original Message ----- From: "Brian Michalk" <michalk at awpi.com>
>> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>> Sent: Sunday, February 26, 2006 11:23 PM
>> Subject: REFLECTOR: N4PE "The Ape" First Start
>>
>>
>>> Ten years ago, on Valentines day our kit arrived.  Today we had the 
>>> first engine start.
>>>
>>> I can now say I'm the proud owner of a running Franklin/IVO combination.
>>> I've got two electronic fuel injection systems, electronic ignition, 
>>> and a magneto.  It's turbocharged with intercoolers.  I fabricated 
>>> the stainless steel intake and exhaust manifold from scratch since 
>>> there were no other working examples to copy.  I worked out the math 
>>> on the injectors, turbo, fuel pumps, and all of the components that 
>>> are simply not available in a package.  I had a lot of concerns over 
>>> whether it would work or not.  I watched other people's failures and 
>>> tried not to make the same mistakes.
>>>
>>> I am very pleased that the large turbo breathes quite well with the 
>>> open waste gate.  In fine pitch, I am able to make 2250 RPM.  
>>> Deeter's Franklin will do 2400RPM static.  The MAP at 2250 was 
>>> 28PSI.  I calculated I would lose a little less than 1PSI across the 
>>> intercoolers, and didn't know what the drop would be for the turbo.
>>>
>>> The engine starts like a dream on the Autronic electronic engine 
>>> management system.  I did have some problems though.  I completely 
>>> messed up the magneto wiring.  I have no idea how I did it, but once 
>>> we got that problem sorted out, the engine ran like a top.  I am 
>>> leaking oil out the turbo, and need to look at the scavenge pump.  I 
>>> might have it hooked up backwards.  During the high power runs we 
>>> needed to tweak the mixture because it was originally too lean for 
>>> the stock setting. The power control is a single knob affair.  The 
>>> Autronic calculates all of the mixtures for operation.
>>>
>>> I installed a Linksys router in the airplane that has been hacked to 
>>> run Linux.  We logged the engine data to a laptop via the wireless 
>>> connection. For the first flight we intend to get telemetry via 
>>> 802.11, and maybe even put a webcam on board.
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>>
>>
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