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RV7-List Digest: 2 Msgs - 02/11/08

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Gary Strong

Joined: 09 Jan 2006
Posts: 6

Posted: Tue Feb 12, 2008 6:58 pm Post subject: RV7-List Digest: 2 Msgs - 02/11/08

I'm getting ready to order a RV-7 within the next few days.  In reading the

many posts comparing a RV-9 to an RV-7, I think I'm comfortable going with

the 7.  



Before ordering, I'm wondering if anyone on the list flew a Bonanza or Baron

prior to moving to the RV-7 since I have over 1,000 hours in these aircraft?

Essentially I'm trying to get an idea of what I've read on the list

referring to the RV-7 having lighter control forces than the RV-9.  How

would you compare the RV-7 to a Bonanza?  Lastly, my basic mission is flying

around the area, hence the RV-7, but I do about 1 cross country a month.

With an autopilot, are the lighter control forces a non-issue in cross

country?  How is the RV-7 in turbulence compared to a Bonanza?



Thanks!

Gary Strong

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_________________
Gary S.
1973 B55 Baron
N761T

exodus(at)gds.co.za
Guest

Posted: Tue Feb 12, 2008 10:34 pm Post subject: RV7-List Digest: 2 Msgs - 02/11/08

Bonaza and Baron are like trucks compared to the 7. I fly one thousand mile 

trip a month in my 7 , no autopilot,  and it is a non issue and pure 

pleasure all the way! A friend has a 9 that I have flown and the ailerons 

are a little stiffer but it is no big deal and he is not into aerobatics so 

it makes no difference to him.

Cliff

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g4mech(at)sbcglobal.net
Guest

Posted: Tue Feb 12, 2008 11:03 pm Post subject: RV7-List Digest: 2 Msgs - 02/11/08

My 7 sucks in turbulence....any airplane that is this light (empty weight

1103LBS,1550 loaded by myself, full fuel and a bag) will get bounced around

more than a 3K lb Bonanza. I use to fly my 7 from LA to Salt Lake city. I

have over 85 round trips to be exact and with my autopilot, sat weather, sat

radio and tcas it is an awesome machine. My 7 would do the trip 563NM in 3.5

hours average and burn 26 gallons of fuel with a 180HP with fixed pitch. Not

to shabby.



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frank.hinde(at)hp.com
Guest

Posted: Wed Feb 13, 2008 9:39 am Post subject: RV7-List Digest: 2 Msgs - 02/11/08

You might be better off with a an RV-9...I believe the 9 has an even more eficient wing for cross country work...Really only want a 7 if you intend to do aerobatics.



You can still put a 180hp motor in it but put a Catto fixed pitch prop on it to limit it to 160hp.



Frank

RV7a Io360 full invert



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garrys(at)tampabay.rr.com
Guest

Posted: Wed Feb 13, 2008 11:54 am Post subject: RV7-List Digest: 2 Msgs - 02/11/08

Question.......what does the Catto prop have to do with reducing the HP of 

the engine?



Garry Stout (RV7A w/180 HP & Catto Prop)



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frank.hinde(at)hp.com
Guest

Posted: Wed Feb 13, 2008 12:15 pm Post subject: RV7-List Digest: 2 Msgs - 02/11/08

Depends where the prop is pitched...If you pitch a FP (or ground adjustable) prop to make say 2400RPM it the engine will be making a lower power...I read somewhere that a O360 Lycoming at 2400 makes 160HP...need to check the power graphs.



If your FP prop is allowed to go to 2700RPM there is your 180HP but then to reduce power in cruise you will have to partly close the throttle...This is an inefficient way to run the motor due to increased pumping losses...I.e max mpg will be got with the  throttle wide open.



That's partly why C/S props are popular because you can increase pitch and keep the throttle wide open.



Frank



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