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freddythek10(at)gmail.com
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 Posted: Sat Jun 08, 2019 10:01 am Post subject: Mono ground handling |
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Mono Gents,
I’m looking for recommendations regarding location of C of G and its affect on ground handling, particularly during landing roll out on a hard surface runway in the hands of an experienced taildragger pilot, soon to become a newbie mono-driver.
I’m fully aware of the content of Section 6 - Weight and Balance, of the Owner’s manual…including, of course, the recommendation for the restricted C of G envelope for first flight.
My principal question is: Within that restricted envelope, what has been learned about whether the optimum C of G location would favor the forward limit…?…or the aft limit…?…
Comments most appreciated,
Fred
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davidjoyce(at)doctors.org
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| Posted: Sat Jun 08, 2019 12:05 pm Post subject: Mono ground handling |
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Fred, For me the important thing is that your c of g should allow any realistic loading without putting the c of g out of limits, that is with one v light pilot and full fuel and luggage and also heavy pilots and little fuel and luggage. That requires a fairly forward c of g, which for me worked out at 58.83”. I believe but have no proof that a forward c of g will also help ground stability by minimising the tendency for the tail to keep swinging outwards once a turn is started. I achieved my ‘ideal’ c of g by adding 3 lbs of lead bolted in front of the stern post.
Best of luck, David Joyce, GXSDJ
On 2019-06-08 19:00, Fred Klein wrote: | Quote: | | Quote: | --> Europa-List message posted by: Fred Klein <freddythek10(at)gmail.com (freddythek10(at)gmail.com)>
Mono Gents,
I'm looking for recommendations regarding location of C of G and its affect on ground handling, particularly during landing roll out on a hard surface runway in the hands of an experienced taildragger pilot, soon to become a newbie mono-driver.
I'm fully aware of the content of Section 6 - Weight and Balance, of the Owner's manual...including, of course, the recommendation for the restricted C of G envelope for first flight.
My principal question is: Within that restricted envelope, what has been learned about whether the optimum C of G location would favor the forward limit...?...or the aft limit...?...
Comments most appreciated,
Fred
ttp://www.matronics.com/Navigator?Europa-List
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freddythek10(at)gmail.com
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| Posted: Sat Jun 08, 2019 12:46 pm Post subject: Mono ground handling |
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Great feedback David...thanks mucho!
Sent from my iPhone
On Jun 8, 2019, at 1:04 PM, davidjoyce(at)doctors.org.uk (davidjoyce(at)doctors.org.uk) wrote:
| Quote: |
Fred, For me the important thing is that your c of g should allow any realistic loading without putting the c of g out of limits, that is with one v light pilot and full fuel and luggage and also heavy pilots and little fuel and luggage. That requires a fairly forward c of g, which for me worked out at 58.83”. I believe but have no proof that a forward c of g will also help ground stability by minimising the tendency for the tail to keep swinging outwards once a turn is started. I achieved my ‘ideal’ c of g by adding 3 lbs of lead bolted in front of the stern post.
Best of luck, David Joyce, GXSDJ
On 2019-06-08 19:00, Fred Klein wrote: | Quote: | | Quote: | --> Europa-List message posted by: Fred Klein <freddythek10(at)gmail.com (freddythek10(at)gmail.com)>
Mono Gents,
I'm looking for recommendations regarding location of C of G and its affect on ground handling, particularly during landing roll out on a hard surface runway in the hands of an experienced taildragger pilot, soon to become a newbie mono-driver.
I'm fully aware of the content of Section 6 - Weight and Balance, of the Owner's manual...including, of course, the recommendation for the restricted C of G envelope for first flight.
My principal question is: Within that restricted envelope, what has been learned about whether the optimum C of G location would favor the forward limit..?...or the aft limit...?...
Comments most appreciated,
Fred
ttp://www.matronics.com/Navigator?Europa-List
ics.com
.com
.matronics.com/contribution
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| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Remi Guerner
Joined: 14 Dec 2010
Posts: 284
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| Posted: Sat Jun 08, 2019 11:19 pm Post subject: Re: Mono ground handling |
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Fred,
I fully agree with David's response. My XS mono c of g is at 57.56 and that works fine. It allows to carry full fuel, including the long range tank, with lots of bags. As I am a lightweight pilot, I need a really big passenger to exceed the forward limit with low fuel and no bags.
Of course the aircraft is more stable in the air with a forward c of g. Regarding the effect of C of G on ground handling, it is a little bit easier with forward c of g.
Regards
Remi
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freddythek10(at)gmail.com
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| Posted: Sun Jun 09, 2019 8:43 am Post subject: Mono ground handling |
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Remi & Creighton…thank you very much for your insights and comments…very helpful,
Fred | Quote: | On Jun 9, 2019, at 12:19 AM, Remi Guerner <air.guerner(at)orange.fr (air.guerner(at)orange.fr)> wrote:
Of course the aircraft is more stable in the air with a forward c of g. Regarding the effect of C of G on ground handling, it is a little bit easier with forward c of g.
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