RV-List Digest Archive

Thu 10/02/08


Total Messages Posted: 5



Today's Message Index:
----------------------
 
     1. 03:58 PM - RV8A Weight and balance (Craig Gallenbach)
     2. 05:02 PM - Re: RV8A Weight and balance (Carl Froehlich)
     3. 05:34 PM - Re: RV8A Weight and balance (Larry Bowen)
     4. 06:58 PM - New Grove RV-8 Airfoiled Landing Gear Arrive... (Matt Dralle)
     5. 07:26 PM - Bakerseal Or EZTurn? (RALPH HOOVER)
 
 
 


Message 1


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    Time: 03:58:13 PM PST US
    From: Craig Gallenbach <craigtxtx@yahoo.com>
    Subject: RV8A Weight and balance
    I weighed my RV8A and was somewhat surprised at the results.- I have a Su perior O-360 normally aspirated engine, Sensenich fixed pitch propeller, an d forward mounted lightweight battery.- The empty weight worked out to 10 80 lb with a CG at 74.8" (as measured using a datum 70" forward of the lead ing edge).- With only the pilot (220 lb) on board, I need between 20 and 30 lb of ballast in the rear baggage compartment to be within the acceptabl e CG with maximum or minimum fuel respectively.- Is this typical for an 8 A?- With a fixed pitch propeller and lightweight battery I was expecting to be not quite so nose heavy.- Have others had similar results? - Thanks in advance for your help. - Craig Gallenbach RV8A, N184CG- ........ almost ready to fly


    Message 2


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    Time: 05:02:14 PM PST US
    From: "Carl Froehlich" <carl.froehlich@cox.net>
    Subject: RV8A Weight and balance
    Similar results for my 8A (two Odyssey 625 batteries mounded 6"- 8" aft of the firewall and a Hartzell CS prop). I have a 10+ pound survival/tool kit on the rear baggage shelf that brings the CG inside the forward limit when solo. When solo however I tend to also put a case of oil in rear luggage compartment, unless of course I have other stuff to haul. The good news is I have had some real beefy boys in the back and the CG was still well within limits. At some point I may move one of the two batteries aft if I am taking the plane down for some other major modification. This is certainly not an operational problem. For all other 8A builders using a parallel valve (I)O-360, recommend you consider mounting your battery aft, or if you are a two battery ship one battery aft and perhaps the other in the forward baggage compartment well. Carl Froehlich RV-8A (450 hrs) RV-10 (fuselage) From: owner-rv-list-server@matronics.com [mailto:owner-rv-list-server@matronics.com] On Behalf Of Craig Gallenbach Sent: Thursday, October 02, 2008 6:56 PM Subject: RV-List: RV8A Weight and balance I weighed my RV8A and was somewhat surprised at the results. I have a Superior O-360 normally aspirated engine, Sensenich fixed pitch propeller, and forward mounted lightweight battery. The empty weight worked out to 1080 lb with a CG at 74.8" (as measured using a datum 70" forward of the leading edge). With only the pilot (220 lb) on board, I need between 20 and 30 lb of ballast in the rear baggage compartment to be within the acceptable CG with maximum or minimum fuel respectively. Is this typical for an 8A? With a fixed pitch propeller and lightweight battery I was expecting to be not quite so nose heavy. Have others had similar results? Thanks in advance for your help. Craig Gallenbach RV8A, N184CG ........ almost ready to fly D======================== ========= D======================== ========= D======================== ========= D======================== =========


    Message 3


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    Time: 05:34:55 PM PST US
    From: "Larry Bowen" <larry@bowenaero.com>
    Subject: Re: RV8A Weight and balance
    Glad to hear you are getting close, Craig! -- Larry Bowen Larry@BowenAero.com http://BowenAero.com On Thu, Oct 2, 2008 at 8:00 PM, Carl Froehlich <carl.froehlich@cox.net>wrote: > Similar results for my 8A (two Odyssey 625 batteries mounded 6"- 8" aft > of the firewall and a Hartzell CS prop). I have a 10+ pound survival/tool > kit on the rear baggage shelf that brings the CG inside the forward limit > when solo. When solo however I tend to also put a case of oil in rear > luggage compartment, unless of course I have other stuff to haul. > > > The good news is I have had some real beefy boys in the back and the CG was > still well within limits. At some point I may move one of the two batteries > aft if I am taking the plane down for some other major modification. This > is certainly not an operational problem. > > > For all other 8A builders using a parallel valve (I)O-360, recommend you > consider mounting your battery aft, or if you are a two battery ship one > battery aft and perhaps the other in the forward baggage compartment well. > > > Carl Froehlich > > RV-8A (450 hrs) > > RV-10 (fuselage) > > > *From:* owner-rv-list-server@matronics.com [mailto: > owner-rv-list-server@matronics.com] *On Behalf Of *Craig Gallenbach > *Sent:* Thursday, October 02, 2008 6:56 PM > *To:* RV list; SERV > *Subject:* RV-List: RV8A Weight and balance > > > I weighed my RV8A and was somewhat surprised at the results. I have a > Superior O-360 normally aspirated engine, Sensenich fixed pitch propeller, > and forward mounted lightweight battery. The empty weight worked out to > 1080 lb with a CG at 74.8" (as measured using a datum 70" forward of the > leading edge). With only the pilot (220 lb) on board, I need between 20 and > 30 lb of ballast in the rear baggage compartment to be within the acceptable > CG with maximum or minimum fuel respectively. Is this typical for an 8A? > With a fixed pitch propeller and lightweight battery I was expecting to be > not quite so nose heavy. Have others had similar results? > > > Thanks in advance for your help. > > > Craig Gallenbach > > RV8A, N184CG ........ almost ready to fly > > * * > > * * > > ** > > ** > > ** > > ** > > ** > > ** > > *http://www.matronics.com/Navigator?RV-List* > > ** > > ** > > ** > > *http://forums.matronics.com* > > ** > > ** > > ** > > ** > > *http://www.matronics.com/contribution* > > ** > > * * > > * > > * > >


    Message 4


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    Time: 06:58:53 PM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: New Grove RV-8 Airfoiled Landing Gear Arrive...
    I thought some might be interested in seeing exactly what the Grove Aluminum Airfoiled landing gear for the RV-8 look like. They are a work of art! Very beautiful indeed. Notice the predrilled holes for the brake lines. They're not cheap, but they are really very nice. The weight savings forward of the CG is certainly something to consider as well. Any any decrease in fiberglass work is worth the price of admission, in my book... ;-) Best regards, Matt Dralle RV-8 #82880


    Message 5


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    Time: 07:26:35 PM PST US
    From: "RALPH HOOVER" <hooverra@verizon.net>
    Subject: Bakerseal Or EZTurn?
    "What are the pros and cons of Bakerseal vs. EZTurn for installing all of the AN Blue fittings?" Matt, I have used both EZ-Turn and Fuel Lube on AN fittings. The fuel lines appear to be leak free, not true for the brake lines. I will now try Loctite 567 on the brake fittings. Report to follow!! Ralph & Laura Hoover RV7A N527LR Very very close!!




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