jorgeopesi Posted August 5, 2013 Posted August 5, 2013 (edited) As you see I have problems with my litlle machine... I thought... - If I put bigger boggies, it has 7 in the video, maybe large gears have less pressure... untried. - Remove or put links... tried and fail. - Too light chain... untried but difficult to get. - Put something to press the chain on the drive gear, it wouldn´t be nice... untried. - The undercarriage has a tensor maybe play with it... untried. - Put higher the drive gear, I have the perfect proportion but maybe... untried. Any advice or idea...?, thanks. http://www.youtube.com/watch?v=oUrsHb10xsM&feature=youtu.be I can´t change the drive gear because the undercarriage has pivot suspension. In the pic you can see the tensor with the shock absorver the pneumatic is only a guide. Edited August 5, 2013 by jorgeopesi Quote
Alasdair Ryan Posted August 5, 2013 Posted August 5, 2013 (edited) Your drive should be at the end of the undercarriage not the middle,especially when the drive wheel it is higher than the other two ends. Edited August 5, 2013 by Alasdair Ryan Quote
jorgeopesi Posted August 5, 2013 Author Posted August 5, 2013 Your drive should be at the end of the undercarriage not the middle,especially when the drive wheel it is higher than the other two ends. Explain it to them I just copy them... the drive gear is in the middle... Quote
Alasdair Ryan Posted August 5, 2013 Posted August 5, 2013 Looking at the picture the 'movable idler' is at the front,did you try turning yours around? I just did a test using 'technic links' and that did not work very well. You would be better making the front end driven and making the top middle wheel to fake the driven one. Quote
jorgeopesi Posted August 5, 2013 Author Posted August 5, 2013 Looking at the picture the 'movable idler' is at the front,did you try turning yours around? I just did a test using 'technic links' and that did not work very well. You would be better making the front end driven and making the top middle wheel to fake the driven one. Before I try to copy a machine I take information about it, this case is like the D11. If I change the drive gear I loose the fun and the realism it is not an option . Anyway I've solved it and I discovered another type of tracks I can do, this problem has been great . Quote
Doc_Brown Posted August 5, 2013 Posted August 5, 2013 Looking at the picture the 'movable idler' is at the front,did you try turning yours around? I just did a test using 'technic links' and that did not work very well. You would be better making the front end driven and making the top middle wheel to fake the driven one. Great project so far. I have to agree with Alasdair, make the top one fake. But seems you hav fixed it or done something different? Can't wait to see that. Quote
legomuppet9 Posted August 5, 2013 Posted August 5, 2013 Maybe add one more link to reduce the tension slightly? In the picture of the real one thee track isn't that taught Quote
Bricktrain Posted August 5, 2013 Posted August 5, 2013 I dont see which links you are using, the links for the gears you have used are the http://www.bricklink.com/catalogItem.asp?P=bb76 I am not sure if any of the others will work. Quote
jorgeopesi Posted August 5, 2013 Author Posted August 5, 2013 (edited) Legomuppet9 I have tried the thing you say, Bricktrain I use the rubber bricks like in my 6090 Caterpillar front shovel, it is an idea original from Mahjqa. Original idea http://www.brickshelf.com/gallery/mahjqa/994-Igniz/igniz02.jpg I'm just evolving Edited August 5, 2013 by jorgeopesi Quote
Bart Posted August 5, 2013 Posted August 5, 2013 I think the problem is that your tracks have to much grip on the surface. Driving in a straight line doesn't give a problem. because both tracks roll. But turning, (one track moving the other not. requires the track to slide sideways, then it gives to much friction on all those wheels at the bottom and the track does not want to roll any more. Can you try it on something like... sand? or change the track from this rubbery thing to the hard plastic one. Bart Quote
MrNumbskull13 Posted August 5, 2013 Posted August 5, 2013 (edited) I'm tjinking you need to take out a link or too and maybe move that middle gear till its perfectly in the centre so that the length of tracks is equal on either side of it, although having the front gear driven is a good idea. [edit] two extra small wheels between the middle gears and the left and right gears might help too. Edited August 5, 2013 by MrNumbskull13 Quote
jorgeopesi Posted August 5, 2013 Author Posted August 5, 2013 As I said I solved the problem but I won´t say the solution yet . Bart I agree with you, I thought the same but it is solved and still uses the rubber tracks. MrNumbskull13 if I do that you say I loose the MOC proportion and I say the same at the drive front gear... the caterpillar 527 has a only drive gear and it is above, if I don´t pursue the realism... I miss fun. Quote
MrNumbskull13 Posted August 5, 2013 Posted August 5, 2013 As I said I solved the problem but I won´t say the solution yet . Bart I agree with you, I thought the same but it is solved and still uses the rubber tracks. MrNumbskull13 if I do that you say I loose the MOC proportion and I say the same at the drive front gear... the caterpillar 527 has a only drive gear and it is above, if I don´t pursue the realism... I miss fun. Ahaha good points, I like your way of thinking! Enjoy the challenge! ;) Quote
Bart Posted August 5, 2013 Posted August 5, 2013 hmm I scrolled past the post where you sad you had already solved it my bad. you got me curious how you solved it though, but I'll have to wait until you'll reveal that. And I do agree with you, if you want to copy something its no fun when you cut corners. Bart Quote
jorgeopesi Posted August 17, 2013 Author Posted August 17, 2013 I have changed the machine, until now the pic has 5 autovalves, 2 pumps, 4 motors and suspension... but I have to put all the tubes, the gearbox motor, the battery, the three receivers and all the pneumatics with two accessories... for to have a RC machine with 8 functions. Quote
gevans12 Posted August 17, 2013 Posted August 17, 2013 Hmm interesting track design, not seen many like it before...how effective are they?... Can't wait to see finished thing!! Quote
jorgeopesi Posted August 17, 2013 Author Posted August 17, 2013 I try them with a lot of weight and they work very good . Quote
jorgeopesi Posted August 18, 2013 Author Posted August 18, 2013 A video with 5 stud black axles on tracks it will be better. http://www.youtube.com/watch?v=m0t2I7MXU1o&feature=youtu.be Quote
Doc_Brown Posted August 18, 2013 Posted August 18, 2013 Wow that's looking really good! Seems to turn a lot better now with the more straight design. sweet! Quote
MrNumbskull13 Posted August 18, 2013 Posted August 18, 2013 Looking good! What are you going to build on top? Quote
jorgeopesi Posted August 22, 2013 Author Posted August 22, 2013 Another preview... I like to use the fewer engines I can, it only has 5 motors for 8 functions. http://www.youtube.com/watch?v=Xj52e4upJvM&feature=youtu.be Quote
skriblez Posted August 23, 2013 Posted August 23, 2013 I am hoping for a big bulldozer Moc out of that! Great work so far Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.