Author Topic: Landing gear geometry  (Read 6572 times)

Offline scottiniowa

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Re: Landing gear geometry
« Reply #15 on: September 11, 2019, 05:04:11 AM »
one more view of my lower end adaption of shock struts
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Offline Bob Wood

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Re: Landing gear geometry
« Reply #16 on: November 26, 2019, 10:12:12 AM »
I avoided all this extra work and weight by using 8 lbs of airpressure in the larger lawn tractor tires. I fly off of bumpy grass and it works great. I have no spring struts, the tires do it all. Took 5 lbs off the plane, even with heavier tires.

Offline scottiniowa

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Re: Landing gear geometry
« Reply #17 on: November 26, 2019, 10:23:21 AM »
I avoided all this extra work and weight by using 8 lbs of airpressure in the larger lawn tractor tires. I fly off of bumpy grass and it works great. I have no spring struts, the tires do it all. Took 5 lbs off the plane, even with heavier tires.
A perfect, "simple is almost always better solution" 

The Super Breezy did exactly that... with tires alone. https://www.yakimaaerosport.com/aircraft/super-breezy/   Our options today for good, yet light tires,  as well as larger,  is far better than just 10 years ago.
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Offline jrbirdman47

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Re: Landing gear geometry
« Reply #18 on: November 26, 2019, 11:10:13 AM »
Bob, are you using the Black Max wheels and brakes? I like the idea of less work/ weight.

Offline Bob Wood

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Re: Landing gear geometry
« Reply #19 on: November 27, 2019, 07:26:12 AM »
Yes, black max and the Turf saver ll tires. the 16''. We have a really rough paved runway which I only use to get out to the grass side runways. I wore out those lightweight stock small tires in one summer....The turfsaverll are great. Have enough beef to wear well. So now they are getting lighter with every flight!!

Keep it simple and light!! My 37 HP jumps off and climbs great. I made the weight limit with light paint and NICO cyl , and any other  thing I could SAFELY get rid of (struts for example)

Have fun
Bob

Offline Shay King

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Re: Landing gear geometry
« Reply #20 on: November 16, 2020, 01:13:21 PM »
Scott,
I’ve been looking at the rod ends on that website and it seems like they are made for heavier walled tubing than the landing gear tubing on the LEXL. (.058 versus .035). This would suggest the rod ends would be a loose fit in the.035 tubes.
Did you have any problem with that?

Offline scottiniowa

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Re: Landing gear geometry
« Reply #21 on: November 16, 2020, 03:57:55 PM »
Scott,
I’ve been looking at the rod ends on that website and it seems like they are made for heavier walled tubing than the landing gear tubing on the LEXL. (.058 versus .035). This would suggest the rod ends would be a loose fit in the.035 tubes.
Did you have any problem with that?
The short answer here, is that things change- meaning what is available,

While I have not taken the time, I suspect that somewhere/someone is now supplying the correct fitting weld in rod end female ends.  It is never fun to make up for a large loos fit, certainly not with simply a rosette weld, but I always plug weld to boot.  So again, this kind of loose fit would not be the best.

I would look to see if you can find a better fit. .023 or 1/2 of that at .0115 gap is fairly large.

All that being said, if you can jig well, this can be done. Keeping it square pay huge dividends..
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