REFLECTOR: Goose Repair Update (Engine Run)
aminetech at bluefrog.com
aminetech at bluefrog.com
Mon Mar 21 14:50:30 CDT 2011
Yes. That's equivalent to removing 1 washer. I had to add a washer (1 total) to keep my static at 2600. No difference in performance with shorter blades and I have more clearance. I take off at 1/2 throttle (2300 static) to avoid over reving. The higher (full power)static gives me more drag for approach and allows lower idle fuel consumption (2.5 gph,lean).
John
--- lwcoen at hotmail.com wrote:
From: "Laurence Coen" <lwcoen at hotmail.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Subject: Re: REFLECTOR: Goose Repair Update (Engine Run)
Date: Mon, 21 Mar 2011 14:30:01 -0500
Brian,
My Franklin IVO with 2 washers turns 2420 and 2500 with one washer. I'm
running one washer currently which requires that I get on the pitch control
right after lift-off to prevent over speed. Next time I service the prop
I'm going back to two washers. John, didn't you trim 1" off the ends of
your blades?
Larry Coen
N136LC
--------------------------------------------------
From: "Brian Michalk" <michalk at awpi.com>
Sent: Monday, March 21, 2011 12:48 PM
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Subject: Re: REFLECTOR: Goose Repair Update (Engine Run)
> With the three blades, I can only get 2250RPM. I never recorded what I
> got with WOT, coarse.
>
> With the two blades, I get 2700RPM fine and 1700RPM coarse.
>
>
> On 3/21/2011 12:23 PM, aminetech at bluefrog.com wrote:
>>
>> --- michalk at awpi.com wrote:
>>
>>
>>
>>
>> I am using a two bladed prop for testing in order to get my static RPM's
>> up so that I can map out my fuel table.
>>
>> Brian, you've mentioned the low static before and I don't understand.
>> The travel in the IVO prop can be adjusted to get any static you want.
>>
>> John
>>
>>
>>
>> The backup injection was tested, and works well.
>>
>> The problems I need to work on is a hard cold engine start. Something's
>> not right there, and I only get a few tries per day to work on it. It
>> also runs very poorly on the magneto, so I need to see what's up there
>> as well.
>>
>> Is it a Slick mag? Will it start on just the mag alone? I was using
>> standard aircraft massive electrode plugs and they seemed to fail a lot.
>> I've switched to fine wire plugs and they just keep on working. I'm
>> planning to switch to a Bendix mag which has a stronger spark.
>>
>> John
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