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| it's cool but i think there should be used few of them and probably we couldn't buid tunnel small and smooth enough but if enyone has this part plz check it pixel "Eric Sophie" <mylegomaster@aol.com> wrote in message news:H9vt9E.Gzv@lugnet.com... (...) (22 years ago, 6-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) That's the problem with this part, it only came in <set:8855>, although it was availible as a service pack once. A friend of mine had this set when he was a youngster, perhaps he's willing to sell it to me, I've been meaning to ask him but (...) (22 years ago, 6-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| Tobbe, ya only one set and service pack ever. :( I don't have one either. I know of serveral ways to get some high RPM gear configs. Looking at the Airscrew I be it can push a good volume of air. As Pixel said the trick is creating a good duct to (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| Ho Mark, This presents a significant problem. I always engineer my gear-trains to include a double "axle grab" on both sides of a gear so the gears flow smoothly. Without that extra stud worth to help anchor the Airscrew, yep could be a problem. But (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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hovercraft
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| | Re: Props for Hovercraft
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| You inspired me to tinker a bit, but I am still unsuccessful. Putting gears around the z24 to help stabilize it is problematic because, at standard LEGO distances, there is sufficient space between the gears to allow the z24 (and the prop axle) to (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) What about attaching another 24t along the same axis with a friction pin, then having an axle in that? You'd probably need to drive both to stop rotation at the friction pin. ROSCO (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| Question: Since I don't know what the z24 exactly looks like on the prop, is it just like the regular gear? Reason I say, I'm curious, because you could use the holes on the gear to pin another z24 to it and then you'd have a place to mount another (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) Well I did a little test, heres the pics: (URL) that the propeller shaft is cylindrical, not "x" axle-shape, so friction is much greater than standard axle. It worked reasonably well, even with no lubrication and old batteries. I reckon with (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) This gives me an idea, it's not only servos I've aquired from the model airplane times... (...) There should be tons of info on the web, howstuffworks.com is the primary source I'd consider: (URL) good page: (URL) Tobbe good luck, I hope you (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| "Tobbe Arnesson" <StPnAtM@lotek.nu> wrote in message news:H9xL37.JzI@lugnet.com... (...) hard to confess but i didn't know they are different :( thx tobbe pixel (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) No, it only has one pin hole, and no axle holes. Why LEGO decided to do it that way I can't imagine - all previous sets (AFAIK) used the offset axle holes (present in the old 24t gears) to connect pistons, not the pin holes. IMO that part is a (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) Have you considered using lubricant between the 1x 4 beam and axle? I know I did, many times, but never got around to do it. Do you think it might reduce the friction enough? (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | motor for hovercraft and helicopter
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| Is anybody ever use new technic motor to act hovercraft or helicopter ? You would be helpful.(motor ref:71 427 or ref:43 362) Note this interesting page about old and new motor's power: (URL) this japanese page the most existing legocopter I've ever (...) (22 years ago, 3-Mar-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| You guys are bound and determined to spend my whole weekend tinkering on this, aren't you? ;-) I reproduced Ross's setup using a gray peg, a black friction peg, and an old black friction peg. I still get what I consider pretty poor performance (with (...) (22 years ago, 8-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| "Mark Haye" <markhaye@netzero.net> wrote in message news:HA05tr.EJx@lugnet.com... (...) Offcourse, we dont give up before we have succeeded :) I'm just been bitten of this LEGO-flying machine virus .... (...) old (...) hit (...) Whatever speed you (...) (22 years ago, 8-Feb-03, to lugnet.technic)
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hovercraft
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hovercraft
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hovercraft
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| | Re: Props for Hovercraft
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| How about inserting the 24T gear into half a large turntable, and securing the other end of the turntable using axles. I know this gets very large where you don't want to get large, but it might provide stability in ways the other solutions do not. (...) (22 years ago, 7-Feb-03, to lugnet.technic)
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hovercraft
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| | Re: Props for Hovercraft
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| (...) Nice design. Oh man, the design of the 24t gear at the back of this propeler is realy lame. That whole part is very un-legoish. 1) Perhaps you could use the old friction connector instead of the new one: i.e. part 4459 instead of part 2780. (...) (22 years ago, 8-Feb-03, to lugnet.technic)
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