Today's Message Index:
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1. 08:38 AM - Re: engine value Q. (linn Walters)
2. 11:52 PM - Here's one for the experts (teamgrumman@AOL.COM)
Message 1
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| Subject: | Re: engine value Q. |
Gil Alexander wrote:
> Linn... to use certified, or for homebuilts? gil A
Actually, they were both out of certified AC ...... I rebuilt them (with
supervision by AP/AI) and had complete engine log entries. Actually,
the O-320 was $3000.
Linn
>
>
> At 07:48 PM 10/6/2006, you wrote:
>
>> I've bought run-out engines with accessories for $4000. Been a
>> couple of years ago.
>> Linn
>> do not archive
>>
>> Gil Alexander wrote:
>>
>>> I'm retiring soon and going to be getting back to finishing off my
>>> RV-6A project.
>>>
>>> Engine choices are coming up, and I have a question for the
>>> mechanics out there.
>>>
>>> I have a first run O-320-E2G that I bought from Fletchair in about
>>> 1990.
>>>
>>> It has been well stored, filled with oil and stored in a dry
>>> atmosphere. Have log books.
>>>
>>> Engine economics have changed since then, with ECI engine kits now
>>> available.
>>>
>>> I did intend to completely rebuild this engine, but now wonder if
>>> it's better sold as a certified core, and I could use the money for
>>> an ECI O-360 kit, and get more HP for the $$$.
>>>
>>> Any idea of it's value?
>>> No mags (they were the throw-away ones), no starter or alternator,
>>> original carb.
>>> Was running when removed at 1900 hrs approx.
>>> The Cheetah it came from was "Tigerized"
>>>
>>> Any suggestions or comments??
>>>
>>> gil in Tucson....
>>>
>>>
>>>
>>> href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
>>>
>>>
>>
>>
>>
>>
>>
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>
>
Message 2
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| Subject: | Here's one for the experts |
--> TeamGrumman-List message posted by: teamgrumman@aol.com
I'm doing an annual on a 79 Tiger with 1800 TTSN.
Background:
(1) The plane had several bird strikes a few years ago. Wings were
repaired. From what I can tell, the wings were NOT removed for the
repair.
(2) It has electic trim.
(3) No other damage to the plane.
What I found:
When I got the plane, I noticed that the electric trim was at or near
it's left wing DOWN limit. The fixed right aileron trim tab was still
installed. The right trim tab had been bent for a right wing UP
condition.
What I did:
(1) Rigged both the ailerons and flaps to within 1/2 degree balanced
left to right.
(2) The aileron cables were tensioned to 30 to 32 lbs.
(3) The elevator (even though that doesn't affect roll) cables were set
to 35 lbs tension.
(4) The bolts on the elevator were crowded out so there was a 1/2 inch
play between the left and right elevator halves.
- - holes drilled oversize and larger bolts installed. Both
elevator halves exactly match the horizontal.
(5) No damage to the forward horizontal attachments.
(6) Rudder is centered
(7) I removed the fixed right aileron trim tab.
Test flight after annual:
(1) With the electric trim set to neutral, the plane flew with an
extremely heavy right wing.
(2) The roll can be corrected with the electric trim set to full left
DOWN wing.
(3) The yaw induced required more right rudder than I expected.
(4) landed
Next Step:
(1) drained all the fuel from the right wing, filled the left wing to
the tabs.
(2) I measured the surfaces of the wings for angle of attack and they
are pretty even side to side.
(3) Inspected the entire aircraft to see if I could find ANYTHING that
would cause a heavy right wing.
- - - I could find Nothing out of the ordinary.
Test flew the plane:
(1) The plane still flies with a VERY heavy right wing.
(2) landed
Next Step:
(1) Rigged the right flap down 2 degrees to increase lift on right side.
Test flew the plane:
(1) The plane still flies with heavy right wing.
(2) landed
Re-installed the fixed right aileron trim tab. I'll fly it again
tomorrow.
QUESTION: What could make the right wing so heavy?
- - - - The only thing I can difinitively see that is non-original is
the electric aileron trim.
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