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Messages - Dan

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General / Re: Centrifugal force calculations - JOY!
« on: December 09, 2009, 04:51:16 PM »
The modification is similar to the chinese single sided versions but with an extra axle groove to play around with.  The possibility of a bearing system is plaguing my mind currently as progression through the design phase has rapidly flashed by.  Prototyping next week so i think i'm going to find a solution that works then work backwards to find out why.  Thanks for the comments guys.


General / Centrifugal force calculations - JOY!
« on: December 03, 2009, 07:19:17 PM »
Hey there everyone.  Haven't posted in a long long time but i'm after a favour from you more clued up people out there.

I'm doing a project for my college engineering course and I want to make a modification to a Henry's Circus Diabolo to allow for single sided use.  Now I know there are alot of manufactured versions around now but the whole idea is to go through the design process and possibly manufacture a prototype myself.  I've done some research and initial designs but am completely clueless when it comes to calculating the masses involved and the centrifugal forces needed to be achieved to balance with the standard cup.

3D design is my forte but the software in my workplace just doesn't cut it for simulations due to a lacking material library  :(  So I am reaching out to fellow people in the diabolo community that might have tried this or know what they are talking about.  All advice I have recieved so far has been trial and error based but with the timescale I have (Easter 2010) I cannot afford to waste time on producing a number of prototype models.  Not too sure my employer would appreciate a pile of scrapped designs in a box  ;)

Any help or even suggestions would be much appreciated.

Thanks in advance,


Videos / Re: Spinning things!
« on: August 16, 2008, 01:40:19 AM »
What colour string do you use?  I didn't quite catch that at the end  ;)  Funny bike scene aswell.  Good video all round, made me chuckle a bit.

Videos / Re: MalteĀ²
« on: August 16, 2008, 01:33:31 AM »
How does this mystical game work?  ???  I couldn't quite pick it up.  I liked the video a lot, especially because it has that "fun vibe" about it which makes that much more enjoyable.  A real sense of fun which many videos as of late haven't been able to portray.

Videos / Re: Beastly old chinese yoyo man in park!!
« on: August 16, 2008, 01:29:45 AM »
Can i just ask;  does the person behind speak English as their first language?  The site contains more grammar mistakes than i can shake a stick at.  I'm no expert on the English language but it really doesn't sound professional (especially since you are selling products).  Atleast he plugged in the links section and FAQ  :)

Videos / Re: diabolo freestyles from world yoyo contest 2008
« on: August 06, 2008, 10:46:11 PM »
I think the last 2 were really.... Bad?

I think i'm actually better then them

They are good at yoyo and diabolo a second choice.  Props to 2nd though he could have won if he didnt drop so much

General / Re: Craziest place you have diaboloed
« on: July 15, 2008, 12:32:13 AM »
In between to villas in America on holiday whilst in a hurricane.  Needless to say it was very very hard!  Also whilst running across the pool cover there trying not to sink  :P

Videos / Re: Useless information
« on: June 27, 2008, 12:41:34 AM »
nice vid
what do u call the tricks he was doin at the begining.. the one with the grabbing and letting go of the string, if u no wat i mean lol
ive been dying to know wat it is
I believe you are describing what we all call integrals.  Where both sticks are moving simultaneously and neither held in the hand - meaning you would have to hold the string, or possibly the diabolo....

Would like to comment on what an amazing video this was.  You captured the atmosphere perfectly  :)  Can't quite understand the trick at about 2:50 mins but nevertheless it is absolutely beautiful!!

Thanks for sharing this,

I'm New / Re: String Stall
« on: June 25, 2008, 08:14:22 PM »
Awesome thread!!!  Seeing as you made it, what are you going to call it??

Haha i love sarcasm

Tricks / Re: the 1d stick Fan help
« on: June 25, 2008, 08:11:04 PM »
Let the man keep his unique trick for more than a day before asking how to do it.  I know its really cool but if you can't get close to it and give input on how to do it yourself its a bit much asking for him to show you (and everyone else for that matter).

Tricks / Re: Antisuicide (was One common 2D trick. How to do it?)
« on: June 25, 2008, 08:08:07 PM »
Dennis do you mean continuous as in you throw the stick again in between suicides (quickly obviously) like multiple of the same anti-suicide just over and over.  Or do you mean a single "throw" with the right and then as many rotations with the left as possible?  Quite hard to explain what i mean and i cant find my camera  :(

Videos / Re: Sunabolo- the first of many
« on: June 25, 2008, 12:32:35 AM »
The hulk made an appearance at the end of your video  :o

As said before the music was rather annoying - glad there is a mute button.  As for the diaboloing, try to cut the accelerations out or just string together a few tricks instead of a different take for each trick.  It makes the video look so much more natural and flowing.  Keep up the practice over the summer, it will be interesting to see how much you progress over the coming months.


I'm New / Re: The Diabolo Zone
« on: June 23, 2008, 02:25:02 AM »
Good little video for beginners.  Not sure about the red text in front of the usually dark background but i could make most of it out.  With your 2D you need to use your right hand more and try to push/pump the diabolos around in a circle.  The diabolos will not really keep their speed up if only the left hand is used (as far as im aware anyway).


Gear / Re: best diabolo for 2 and 3
« on: June 23, 2008, 02:17:51 AM »
Sundia Sun diabolos.  But its totally down to personal preference and play style.  Did you check the reviews in various threads involving the most used diabolos?

This topic:

By far the best compilation of information about equipment and the first place you should have looked.

PS: Sometimes having a slightly heavier diabolo helps a lot when doing 2D/3D.  Sometimes vice-versa aswell but considering you're using finesse currently i would look at getting a few suns or flys (depending on bearing/non-bearing play style)

There are plenty of seperate threads about the individual diabolos so just have a quick read and im sure you'll come to a conclusion.

Hope this was helpful,


Videos / Re: Moffett - his latest diab video
« on: June 21, 2008, 01:31:38 AM »
Nice video.  On a side note though - Langerz did pretty much invent that style himself.  Yes doing tricks in that style will always compare you to lz but its almost a compliment to lz because the style is being picked up by alot of diaboloists.  Also he will gain credit for all similar looking tricks developed in that style as its "lz style".  The style produced by a great man and adopted by many.  The many complment the great man and the great man is satisfied.

Sorry if english is not so good im a little tipsy and in arush toodles

Videos / Re: 8d Vertax
« on: June 21, 2008, 01:20:27 AM »

It's a girl

Yay 50th post
Forgive me oh mighty and all powerful typo police

General / Re: Jugglers are geniuses?
« on: June 15, 2008, 11:23:07 PM »
Scanned through most of the short comments but my input comes straight from the original post.

I'm intelligent and have been throughout education (right from a young age) but as i grew older i gained a lack of concentration.  Mainly because i found school boring.  Juggling helped me gain that concentration level back because i enjoyed it and the progression curve up until 3d is insanely fast, it keep me interested the whole time.  Now ive hit a barrier with 3d ive pretty much lost interest in diabolo and moved onto other things using up my time (mainly paid stuff :P) E.g. I love doing fibreglass projects at the moment which takes the same concentration if not more sometimes when doing it.

Anyway theres my ramble on about stuff, have fun with it.


Videos / Re: 8d Vertax
« on: June 15, 2008, 10:57:56 PM »
And now 8d vertax genocide  :P  Only thing that impressed me was the setup before he moved the diabolos - that must have taken ages to do!

Technical / Re: Filming with model aircrafts?
« on: June 05, 2008, 03:16:20 AM »
Cool idea  :) always great to have some extreme angles in a diabolo video (any video for that matter).  The problem with that kite idea is that there would need to be wind.  Making for some very tricky 2/3 high filming and possibly low tricks aswell.  I hate wind!

General / Re: Promo Pictures
« on: May 31, 2008, 11:59:53 PM »
Maybe just my opinion but if you can get him to do a photo of just a normal fan with a slow shutter speed (i think its slow to get the effect)  so that each diabolo gets a slight blurry trail behind it that would look cool.  Sunset shots are always a beacon to curious eyes as they add a bit of mystery to what you are doing.  Just make sure you get a good silhouette of maybe 2/3 high or something similar.  Also you thought of doing a night shot of you with fire/light diabolos - the later probably getting a better effect.  Experiment with a camera yourself first (if possible) so you can have the right shots before the professional photographer comes.


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