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0. 09:44 AM - What's Your Contribution Used For? (Matt Dralle)
1. 06:30 AM - Re: Throttle Operation (doug@allegrolsa.com)
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| Subject: | What's Your Contribution Used For? |
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| Subject: | Throttle Operation |
Jerry, Brad, and Hugh,
Yes we do have the bushing available. However, I do not think it is needed
=2E We have an Allegro at the flight school with over 5,000 hours and ONLY
needed to occasionally tighten the friction bolts in the middle of the sea
ts where the throttle rod goes through. We mill these to our specs here at
the factory. If needed, they are $25.00 each plus shipping. Again, I do
not think anything more than tightening the friction lock is needed. If yo
u have questions, please feel free to call. Also, please feel free to put
this on the Allegro list.
Thank you,
Doug
Douglas Hempstead
LSA America, Inc.
231 US Hwy 158 East
Littleton, NC 27850
252-586-1200
www.allegrolsa.com
--------- Original Message --------- Subject: RE: Allegro-List: Throttle Op
eration
From: "Jerry Goldberg" <jkgcpa@ix.netcom.com>
Hey Hugh,
Is the part available from Doug at Allegro?
Jerry Goldberg
N44456
Covey Trails (X09)
From: owner-allegro-list-server@matronics.com [mailto:owner-allegro-list
-server@matronics.com] On Behalf Of Hugh McKay
Sent: Tuesday, November 17, 2015 5:59 PM
Subject: Re: Allegro-List: Throttle Operation
Will do.
Hugh G. McKay III, P.E. Fellow, L.M. ASCE
Senior Consultant
Worldwide Engineering Inc.
4090 North NC Hwy. 16
Denver, NC 28037
Ph. 704-661-8271
Fax 704-483-5466
email hgmckay@bellsouth.net
http://www.wwegeo.com
From: brad@vision-technology.com
Sent: Tuesday, November 17, 2015 4:17 PM
Subject: Re: Allegro-List: Throttle Operation
If you happen to find a source / part # let me know. I'd think it is a co
mmon part.
thanks
-----Original Message-----
From: Hugh McKay [mailto:hgmckay@bellsouth.net]
Sent: Tuesday, November 17, 2015 03:06 PM
Subject: Re: Allegro-List: Throttle Operation
Thanks Brad. I will check this bushing to see if that is the problem
=2E
Hugh G. McKay III, P.E. Fellow, L.M. ASCE
Senior Consultant
Worldwide Engineering Inc.
4090 North NC Hwy. 16
Denver, NC 28037
Ph. 704-661-8271
Fax 704-483-5466
email hgmckay@bellsouth.net
http://www.wwegeo.com
From: brad@vision-technology.com
Sent: Tuesday, November 17, 2015 3:40 PM
Subject: Re: Allegro-List: Throttle Operation
Hi Hugh,
On the rod that connects the throttle handles to each other there is a nyl
on bushing (between the seats). The metal cap that holds that bushing down
may be loose or the bushing is cracked. (mine is cracked and I haven't sea
rched for a replacement yet, but I was able to get plenty of friction by ju
st tightening the bolts a bit).
Brad Kramer
N221FA - Mandan ND
-----Original Message-----
From: Hugh McKay [mailto:hgmckay@bellsouth.net]
Sent: Tuesday, November 17, 2015 02:34 PM
Subject: Allegro-List: Throttle Operation
I have an Allegro 2000 using a Rotax 912 UL engine with 725 hours o
peration. I am now finding that while flying the airplane the throttle leve
r return springs (i.e. the springs that are connected to the throttle lever
on the carburetors on the engine is pulling my throttle towards the open p
osition. In other words I have to constantly hold the throttle control in t
he cockpit to keep it from migrating towards the full open position. I unde
rstand why there is a spring on the carbs. It is to pull the carbs to full
open position in case of a throttle cable break. But in my case, if I am fl
ying and take my hand off the Allegro cockpit throttle control, the springs
on both carbs will pull the throttle further in the open position.
I have never had this problem before. It appears that after 700+ hours of o
peration there is not enough frictional resistance in the throttle cable sh
eaths to hold the cable in position, or there is not enough frictional resi
stance in the mechanical throttle arrangement on the Allegro 2000 to hold a
set throttle position. Has any one had this problem with the Allegro 2000,
912 UL engine arrangement? Comments and suggestions would be appreciated
=2E
Hugh G. McKay III, P.E. Fellow, L.M. ASCE
Senior Consultant
Worldwide Engineering Inc.
4090 North NC Hwy. 16
Denver, NC 28037
Allegro 2000, Rotax 912 UL Engine, 725 hours
Ph. 704-661-8271
Fax 704-483-5466
email hgmckay@bellsouth.net
http://www.wwegeo.com
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