XL-79 progress

[Jeff XL79]

Finally on the gear. Used rod ends and heim joint for adjustability. 

Jeff

[Kamcoman77]

Very nice! What tires are those?

[Jeff XL79]

Hi-run 15 x 6. 2 ply.

[Jeff XL79]

Upper shock

[Jeff XL79]

Tail assembly.

[Jeff XL79]

More tail. Rudder stop.

[Brock]

Nice work Jeff!

The tread on those tires looks very flat, am I correct to assume the tires were not yet pressured up?
Will the heim joints on the suspension mostly be for camber adjustment? 
Did you consider using heim joints on the main gear struts to allow for toe adjustments?

[Jeff XL79]

The tires are a square profile but have low pressure now. 
Use of the heim joints does two things. You can adjust camber and they compensate for slight geometry shift when the suspension flexes.
I didn't want joints on the main gear just for weight. Plus they would be tough to install at the swept forward angles i have.

[Jeff XL79]

I didn't really want a square profile tire but I wanted 15 inch at least and 2 ply for less weight. I've seen the turf saver II but it's got guite a bit of tread which would be draggy also. Has anybody found a smooth 15 inch 2 ply?

Jeff

[Kamcoman77]

I found these at Home Depot. Kenda brand does not seem to be available there now, but I did find it on Ebay. Search "Kenda 606-4R-I K401H Rib Tread Tire, 15X6.00-6, 2-Ply". The key to searching online is to include "rib tread" in the search. My photos show tire with 5-lbs air in it.

[Jeff XL79]

The other thing I'm considering is my fuel tank. Reall don't want to build one in the wing. Just looking at how the wing tank would mount kinda makes me wonder if it's supposed to be stressed on the diagonal and single second rib. Plenty of people have done it so i know it works but still looks off to me.
I have a tank that I'm considering.  It's a hummelbird tank.

Jeff

[Kamcoman77]

I made my tank from Divinycell foam & fiberglass. It will go in the left wing on three diagonals. Seems to fit nicely. Notice I did not use the metal bracket on the root end of diagonal #1. Les Homan uses a fuselage mounted tank on ORV. He says the CG changes with fuel quantity. ADCO Aviation is going to make a tank in the gap between the wings.

[Chuck in Indiana]

I dummied up a fuselage tank, but couldn't figure out how to fill it without completely changing the windscreen, etc. Another "issue" is fuel head. You may need to run a fuel pump.
Sure, CG will change with the amount of fuel in it, but stick pressures are light.

[pappyadkins]

yes you'll have to modify the windscreen for sure here's a side view of Les' if you decide that route... Good luck with this choice... I was planning nose at first, then decided to go to the wing so I wouldn't have this issues you just described & finally (hopefully) decided to put the tank in-between the wings above the fuse & double as wing gap filler too... Hopefully that will work... lol

[Brock]

Google sonex onex.  They have a simular setup yet they fill through the windscreen.