Tire comparison 8.00-8.50's

18 posts in this topic

Posted (edited)

Just some side by side pics. I went from 8.00 to 8.50's. Not a huge difference but much softer. It tracks on the ground MUCH better. From one end of runway to the other probably half as many pedal inputs to keep it on centerline. Not sure why the softer tires would make that kind of difference but as a student pilot I'll take all the help I can get!

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Edited by Elkonastick
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Posted

I'll bet it isn't the size or softness, it is the lack of tread. Those look like great tires, how much and where did you get them?

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Posted

Good looking Airplane!! 

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Posted

 

nlappos, I bet you're right, lack of tread. Difference is amazing.

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Posted

Yep, that's why grass is so nice, the tire makes little side force when in a small skid, and doesn't mind a little angle to the motion. Makes me want to try it, too!

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Posted

I picked up a set of those tires for mine as well but have not yet tried them.  Local dealer had them on sale last fall for a good price.  I am more into having and adequate size tire for the things I do here but not overkill like the 30" airstreaks I had on mine as they killed the climb.  If you can't afford the 26" bushwheels (I think the perfect tire for these birds but $$) then this is probably the next best thing if your running the 6" wheels.  If you have the 8" kitfox atv wheels then the nanking tire is stupid cheap and works very well.

:BC:

 

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Posted

I'd be willing to bet you have an alignment issue.  The larger, softer, smooth tires are allowing more slippage which masks the problem.

The photo with the 21x800/6 tires on the plane even looks like it has quite a bit of tow out.  With the geometry of that gear, as it moves through it's travel it will make it worse.

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Posted (edited)

How much weight did you gain? And akflyer If you need someplace to store your 8.5’s just lemme know :-p

Edited by Matthewtanner
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Posted

I'll weigh the 8.00's and get back to you. The 8.50's are just under 10#'s each.

 

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Posted

I made the exact switch you did!  There is no going back!!! I love the 8.50s

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Posted (edited)

I also made the same switch and best i can say is i love it. Hahahahaha here is what i came up with when changed,  and im running the clevland wheels and single puck brakes, i can hold mine back on the ground to full rpm, 

the tire, rim, brakes with stock 6ply 8.50x6 was 25lbs each

the tire, rim, brakes with the desser tire 4ply 8.50x6 smooth was 18.4lbs each 

Edited by Buckchop
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Posted

So there is a possibility I loose some weight!!! I’m gonna try and see if I can go tubeless but I don’t know what kind of wheels I have, been trying to get everything else fixed before I spend money on silly things

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Posted (edited)

Also the Nanco 21x12x8 tire, the aluminum rim, Matco rotor, brake pad, caliper,  weigh in at 18.8lbs

mayb ill sell off my nanco's ect off the plane im building and convert to 6" standard aircraft stuff so can put the desser 8.50x6 4ply on this one also 

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Edited by Buckchop
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Posted

Nice looking bird!  I gotta believe that lateral squishiness is a good thing, as is using the tire as suspension in preference to the landing-gear legs.  I think the lateral motion of the tires as the landing gear legs pivot sideways under load whilst careening down the runway adds to the tendency to swerve and careen more, so is destabilizing.  The guy who sold me my Avid C advised only10 psi in the tires.  I think this makes sense.  Fresh, stiff bungees, or stiff springs help too, as does a wider gear with larger angle of the gear legs out from the fuselage, so the lateral motion of the tires is less.

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Posted

Well since i took off the 21" nanco's on Bluefox, and since i have ski's on the Blackfox, i thought be good pic comparison of the hight of them compaired to other sizes i had.  The tape on the tire tells what size tire it is. 

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Posted

Great comparison pic!

 

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Posted

And for the really cheapo pilots like me, a nice golf cart tire at $60 a piece!  The tire is pretty slick, and behaves well on pavement. And I swear my golf handicap is going down, too.

https://www.ebay.com/itm/Turf-Glide-Rib-8-00-6-4-Ply-Carlisle-Lawn-Turf-Tires-508-040/401339548793?epid=18017807239&hash=item5d71b38479:g:VXsAAOSwubZZ56tg:rk:2:pf:0

turf gliode tires.jpg

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