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-   -   Please critique my RV-8 plan (https://vansairforce.net/community/showthread.php?t=125484)

ColoRv 05-08-2015 07:24 AM

I have to disagree on the fixed pitch for aero. I really like the braking of the constant speed and always being in the meat of your power band is very nice. The -8 also benefits from the weight up front. Even with a constant speed and an angle valve engine it is impossible to get to the front of my cg envelope....even if I exceed the front baggage weight limit by quite a bit.

I would eliminate a great many things before I considered doing away with the constant speed. It is an expense though and not a small one.....though Cato's are not cheap either.

wirejock 05-08-2015 07:45 AM

Parts
 
Welcome
That's pretty much what's in my 7a.
Couple of things not mentioned.
Add a longeron to the order. No extra to ship with your kit but separate, very expensive.
Try and decide on wheels, brakes and adjust accordingly. Some delete and buy Grove or other.

Bill_H 05-08-2015 08:20 AM

I have an RV12 with Skyview. You will love that system. You do NOT need a backup panel GPS. Put Foreflight on your phone or tablet for a VFR backup.

I installed the AOA for $12 in parts. See this thread starting on page 2. You do not "need" a special pitot but you could get one. You can turn off the audible warning when doing acro but it is GREAT for nailing short-field landings..

http://www.vansairforce.com/communit...ad.php?t=34040

A D1/D2 would be just as good or better a backup than a D6. Your pitot and static tubing will be a lot more complicated if you use the D6. For the Skyview, you mount the ADAHRS in the tailcons and connect pitot, static, OAT, and AOA to it. None of that runs forward to the panel, Only the wires from the ADAHRS to the Skyview.

Add Koger sunshade!

David Paule 05-08-2015 08:41 AM

Recommend having a landing light and keeping it on for daytime aircraft visibility. Anything you can do to help avoid midair collision is good, and they help a lot.

Dave

OzStriker 05-09-2015 04:17 PM

Cheers guys.

I haven't got myself a set of preview plans, can someone please tell me what the part number is for the longerons? I will have a spare sent to me with the kit.

Still need to read up on landing gear, brakes, wheels...

rv8gibbo 05-11-2015 04:29 PM

Tom buy a QB kit!:)

OzStriker 05-11-2015 04:38 PM

Quote:

Originally Posted by rv8gibbo (Post 982140)
Tom buy a QB kit!:)

Haha yes I am starting to lean that way now :)

rv8gibbo 05-11-2015 04:48 PM

Quote:

Originally Posted by OzStriker (Post 982144)
Haha yes I am starting to lean that way now :)

Unless you have plenty of time and a very understanding wife I wouldn't consider anything other the QB! The workmanship is excellent and It
will put you miles ahead before you even start!

chopperchops 05-18-2015 04:09 AM

Quote:

Originally Posted by rv8gibbo (Post 982146)
Unless you have plenty of time and a very understanding wife I wouldn't consider anything other the QB! The workmanship is excellent and It
will put you miles ahead before you even start!

Amen to that. My QB has been a VERY slow project. If it was a flat pack I think I would have given up a long time ago.
I bought the Princeton capacitance probes and fitted one on the weekend. I am putting a flop tube into the left wing so need to devise a guard for the probe...if anyone has a good idea I am all ears (sorry to hijack the thread 😁).
I am also going constant speed. Great for climb, cruise and aero's.

R. Daniels 05-23-2015 05:14 PM

Tom, there are so many ways to go. Don't over complicate things. I'll take the time to chime in on one thing. Regarding the rudder pedals, I recommend the cable operated adjustable pedals. I'm the only one that flies my '8 so the pedals never need adjusting, but on long trips I push the pedals to the firewall and stretch out whilst my autopilot does the work for me, listening to XM radio, and the world slips by below............


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