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weight/balance

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jfrjr(at)roadrunner.com
Guest

Posted: Sun Jun 13, 2010 4:35 pm Post subject: weight/balance

Now that I have 70+ hours I am starting to fine tune things with regards to W/B.  When flying solo or with only two souls I find that I need at least 40lbs in the baggage compartment or I don't have any elevator left when entering the flair especially with full flaps.  With 4 souls, full gas, and empty baggage there is plenty of elevator left. So my question is what do people do when you (and your copilot) head out from home to pick up two friends for a ride?  Do I then throw the two cases of oil away, have it fedexed home, or store it under my feet?  And then what do I do after dropping of the friends for the ride back home?  Put the copilot in the baggage compartment?  Jay Rowe #40301

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rene(at)felker.com
Guest

Posted: Sun Jun 13, 2010 4:43 pm Post subject: weight/balance

I don't  have that problem, my empty Cg is aft.  But I have heard of people using a 5 gallon collapse water bottle.  Empty or fill....which ever you need.  Don't know how to keep it from freezing when it is really cold.



Rene'

801-721-6080



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scottmschmidt(at)yahoo.co
Guest

Posted: Sun Jun 13, 2010 4:47 pm Post subject: weight/balance

I typically use 20 deg flaps with two people.  I have plenty of elevator and can hold the front wheel off.  It is definitely more nose heavy but well within the W/B envelope. 

 

Scott Schmidtscottmschmidt(at)yahoo.com



From: "jfrjr(at)roadrunner.com"  <jfrjr(at)roadrunner.com>

To: Matronics RV-10 list <RV10-list(at)matronics.com>

Sent: Sun, June 13, 2010 6:35:08 PM

Subject: weight/balance



   

 [quote][b]

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flysrv10(at)gmail.com
Guest

Posted: Sun Jun 13, 2010 4:51 pm Post subject: weight/balance

Don't have that problem either but I don't use full flaps wit two people on board. 



Do not archive



Rob Kermanj

Sent from my iPad



On Jun 13, 2010, at 8:42 PM, "Rene" <rene(at)felker.com> wrote:



[quote] 

 

 I don't  have that problem, my empty Cg is aft.  But I have heard of people using a 5 gallon collapse water bottle.  Empty or fill....which ever you need.  Don't know how to keep it from freezing when it is really cold.

 

 Rene'

 801-721-6080

 

 --

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Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Sun Jun 13, 2010 8:13 pm Post subject: weight/balance

I basically land with full flaps on every landing...almost 100% of the

time.  Just today I went for a flight alone and did a nice power-off

(idle) landing just for fun, and varied my speed from 65 to 75 kts

to hit the target.  I don't have a problem keeping the nose off the

ground at all when alone.   I'd say, if you're really nose-heavy with

only 2 people in the front, land with half flaps and you should be fine.

But, unless your plane is considerably different than most other

RV-10's, it's surprising that you can run out of trim.  I never do.

Perhaps your trim tabs aren't giving you full travel?  I can fly mine

fine alone with absolutely nothing in the baggage area, but generally

I always have my "claw" tiedowns in there, along with a quart of oil,

and a small stash of tools.  It's not much weight...maybe 5-10lbs.

If you are serious that you really need 40lbs in the tail, then

I'd say you either have something misconfigured on your trim travel,

or your RV-10 must have something substantial that's different than

most others in regards to engine/prop weight or something.

Tim Olson - RV-10 N104CD

do not archive



On 6/13/2010 7:35 PM, jfrjr(at)roadrunner.com wrote:

 	  Quote: 	
		   



 Now that I have 70+ hours I am starting to fine tune things with

 regards to W/B.  When flying solo or with only two souls I find that

 I need at least 40lbs in the baggage compartment or I don't have any

 elevator left when entering the flair especially with full flaps.

 With 4 souls, full gas, and empty baggage there is plenty of elevator

 left. So my question is what do people do when you (and your copilot)

 head out from home to pick up two friends for a ride?  Do I then

 throw the two cases of oil away, have it fedexed home, or store it

 under my feet?  And then what do I do after dropping of the friends

 for the ride back home?  Put the copilot in the baggage compartment?

 Jay Rowe #40301

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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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Deems Davis

Joined: 09 Jan 2006
Posts: 925

Posted: Sun Jun 13, 2010 8:54 pm Post subject: weight/balance

I had this same problem. In the end I changed the rigging in the elevator by changing the length (shortening ???) of the rod end on the end of the torque tube that attaches to the elevator horns. You need to recheck the full-up/down angle specified in the plans, but I found that I had plenty.

 It made a big difference in the handling of the plane on landing.

 

 Deems

 

 On 6/13/2010 5:35 PM, jfrjr(at)roadrunner.com (jfrjr(at)roadrunner.com) wrote: [quote]    	  Quote: 	
		  --> RV10-List message posted by: <jfrjr(at)roadrunner.com> (jfrjr(at)roadrunner.com)



Now that I have 70+ hours I am starting to fine tune things with regards to W/B.  When flying solo or with only two souls I find that I need at least 40lbs in the baggage compartment or I don't have any elevator left when entering the flair especially with full flaps.  With 4 souls, full gas, and empty baggage there is plenty of elevator left. So my question is what do people do when you (and your copilot) head out from home to pick up two friends for a ride?  Do I then throw the two cases of oil away, have it fedexed home, or store it under my feet?  And then what do I do after dropping of the friends for the ride back home?  Put the copilot in the baggage compartment?  Jay Rowe #40301

  	
 [b]

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jcumins(at)jcis.net
Guest

Posted: Mon Jun 14, 2010 11:39 am Post subject: weight/balance

Your scenario sounds allot like the Saratoga that I fly a lot. When 1-2 on board and full tanks the cg is very forward and you don’t have much left in the elevator with full flaps in the flare.  I use only 25 degrees of flaps when lightly loaded and normal size runway.  Short runway always full flaps and take ballast.  



If you take ballast and want to pick up 2 people I bet you would still be in cg limits even with the 40 lbs in the back.



 



John G. Cumins

40864 down to emp trim system and firberglass work

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