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Post by renard80 on Mar 29, 2011 0:52:04 GMT 1
I have recently fitted larger wheels.
After a few heavy landings, the undercarriage wires must have bent, because they no longer line up with the notches in the plastic skirts.
Presumably I need to put the landing gear in a vice and bend it to fit properly?
But I have also noticed that the wheels themselves are angled on their axles. I cannot remember whether originally they were straight or angled.
Should the wheels have "toe-in" / "toe-out"? In other words, should the distance between the wheels be identical front and back, or at the front should they splay outwards or inwards?
Hope this makes sense! ;D
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Post by highflyer50 on Mar 29, 2011 7:17:04 GMT 1
I just bought the cub Lp and before first flight I replaced the wheels on
it and wheels are "toe in"
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Post by ginginho on Mar 29, 2011 10:55:59 GMT 1
Chaps, read this thread, reply #3 and read the link too if you are interested. |
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Post by renard80 on Mar 30, 2011 23:33:08 GMT 1
Thanks, highflyer, for confirming that the plane arrives from HZ "toe in". Useful to know that. Ging: your input v. useful, as always. I have read the links you recommend. Now, please could you explain what is meant by "ground loop"? Do you mean going round in circles while on the ground, instead of straight ahead? Also, your links recommend I set my wheels to "toe out". Any idea why HZ should deliver their stock ones with "toe in"? (see above).  I am about to bend my axles and undercarriage struts back into shape (I hope!) and need to know I am doing it correctly. |
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Post by higgsbosonman on Mar 31, 2011 0:50:07 GMT 1
from my R/C car, i thing toe out makes driving in turns easier (nice easy taxiing), but toe in makes driving in a straight line (or getting up to speed and taking off) easier.
it's mostly personal preference.
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Post by ginginho on Mar 31, 2011 12:35:09 GMT 1
Thanks, highflyer, for confirming that the plane arrives from HZ "toe in". Useful to know that. Ging: your input v. useful, as always. I have read the links you recommend. Now, please could you explain what is meant by "ground loop"? Do you mean going round in circles while on the ground, instead of straight ahead? Also, your links recommend I set my wheels to "toe out". Any idea why HZ should deliver their stock ones with "toe in"? (see above). I am about to bend my axles and undercarriage struts back into shape (I hope!) and need to know I am doing it correctly. Yes, ground loop is where the plane goes into a circle instead of going straight. As to why HZ deliver them as toe-in, possibly poor build quality or design or lack of understanding on their part. Bend them, the wire can withstand quite of lot of that as you'll find over time. |
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Post by renard80 on Mar 31, 2011 16:26:22 GMT 1
Many thanks for your help, higgs and ging.
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will
Flight lieutenant
Posts: 39
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Post by will on Mar 31, 2011 16:29:14 GMT 1
Do you mean toe or camber? The toe on my unused gear is close to 0. The camber is wayyyy positive. (top of tire is farther out than bottom)  (toe in this image is shown as looking down from above) |
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Post by ginginho on Mar 31, 2011 16:35:04 GMT 1
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will
Flight lieutenant
Posts: 39
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Post by will on Mar 31, 2011 16:41:24 GMT 1
Nope, but I posted an image, so that in the future somebody looking for the same info wouldn't have to go to two other links to find the info.
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Post by ginginho on Mar 31, 2011 16:47:27 GMT 1
Nope, but I posted an image, so that in the future somebody looking for the same info wouldn't have to go to two other links to find the info. Good point, well made. Therefore to help anyone in the future who has this same question "Should my wheels have "toe-in"?" the answer is an emphatic [glow=red,2,300]NO[/glow] |
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will
Flight lieutenant
Posts: 39
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Post by will on Mar 31, 2011 16:49:29 GMT 1
LOL
Thread over.
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Post by renard80 on Mar 31, 2011 17:02:23 GMT 1
Sorry, will, thread not quite over for this dumb-dumb! I see now that when I referred to toe I actually meant camber . . . OK. From your helpful picture, I finally understand about toe, and I will make sure mine is toe-out. But am I also to understand that it is important for the camber to be as shown in the picture, with the wheel angled outwards at the top? My landing gear wires are all over the place after hard landings, so I've got a lot of bending (and thinking) to do. I do appreciate the help of all you wiser people.  |
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