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O Re: RV-10 Electrical Review with Electric AC and FlyEF

 
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Kellym



Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

PostPosted: Thu Nov 11, 2021 6:05 pm    Post subject: O Re: RV-10 Electrical Review with Electric AC and FlyEF Reply with quote

Sebastian,
The original battery that Vans recommends is a Concorde RG-25AXC, which
weighs about 24 lbs. I have the Odyssey equivalent, a PC925 at about the
same weight. I have an MT 3 bladed prop, as the Whirlwind was not
available when I built. It is also about 14 lbs lighter than the
Hartzell 2 blade aluminum prop. I still need at least 50 lbs ballast in
the baggage compartment if I don't have back seat passengers or baggage.
Avoid a 3 bladed prop if you can get composite 2 bladed prop, as a 3
blade makes it very difficult to remove bottom cowling.
Kelly

On 11/11/2021 6:42 PM, melstien wrote:
Quote:


Hello Kelly,

you are so right about weight and balance on the RV-10. Lighter weight batteries in the back will move the CG forward. What might be offsetting this is adding 2 batteries which may come close to the original PC680 weight but adds additional capacity.

I also did not mention that I am seriously considering the newer Whirlwind 300-3B/B-77 propeller designed for the RV-10. It is lighter than the 2 blade Hazell by as much as 8-13 pounds on the nose.

There a lot of variable to take into consideration.




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