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The Slingshot Channel Thread

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"The YY" - new compound slingshot design

Unread postAuthor: JoergS » Mon Jan 18, 2010 10:17 am

Hello,

the compound slingshot concept for flat bands was a very good and popular idea. I got many positive comments about it.

So I decided to work some more on the concept. I wanted to get rid of the guide rod that is necessary so the bands won't slip of the rollers, and also I wanted a design that has no forward extended rods for the bands so the hand is not in the way.

The solution: Wider pulleys and a more straight band attachment method. The slingshot that came out is a bit bulky, but very beautiful (I think). The ball bearings in the wide stainless steel pulleys make the action super smooth.

It is shot with the bands set up like in the first picture, the second picture is just to show the attachment method.

This is a very fast shooting slingshot! Let me know what you think.

Jörg


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Unread postAuthor: CpTn_lAw » Tue Jan 19, 2010 5:03 am

Seems very nice!! No problem with the bands making a full turn and slapping the under-side of your forearm?

I wouldn't be surprised if you came up with something new in a few days :D
Joined the channel btw.
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Unread postAuthor: JoergS » Tue Jan 19, 2010 9:11 am

There is no slapping at all! Will have to do some slomo studies to review the action.

Thanks for joining! The current rate is 10 new subscribers per day. At this rate I will have reached 2,000 subscribers by April.
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Unread postAuthor: JoergS » Sat Jan 23, 2010 1:44 pm

Hello,

have been busy in the workshop today.

My newest creation is another compound slingshot, this time using four pulleys, of course all of them equipped with ball bearings.

This compound slingshot is really compact, because the rubber is stored very efficiently on two rollers per band. The slingshot is just 18 cm wide (7") and 15,5 cm (6") high, but it enhances the draw length by 17 cm per side! This means there is almost no more dead play in the action, my entire draw length is used effectively.

It shoots very good. I will do a video tomorrow including some action. Will be fun!

It looks a little bit like a candle holder - but I need to find a better name than that... ideas, anyone?

Jörg

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Unread postAuthor: jrrdw » Sat Jan 23, 2010 4:36 pm

Jorg wrote:It looks a little bit like a candle holder - but I need to find a better name than that... ideas, anyone?


4 Rolls X Pull. Kinda long but it was the 1st thing that came to my mind...

Nice slingshot, looking forward to the video's.
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Unread postAuthor: AlphaOmega » Sat Jan 23, 2010 5:30 pm

Just a thought for the name "Compound Quad" or "Quad Compound".

BTW this may be the finest slingshot I have had the pleasure of laying my eyes on :D.

Any ideas of the velocity of this beast?

Once again another beautiful piece.

Congrats Joerg!!
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Unread postAuthor: jackssmirkingrevenge » Sat Jan 23, 2010 5:33 pm

It looks like you ripped off part of an industrial conveyor belt, I like :D looking forward to the damage as usual :)
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Unread postAuthor: boyntonstu » Sat Jan 23, 2010 6:05 pm

Nice design.


I see 2 pulleys of the same diameter.

I would try making the outer pulleys a little larger to see if they would speed up the inner pulleys.

(Or make the inner ones smaller)

Also, is there room for a glove strap?
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Three new slingshot videos!

Unread postAuthor: JoergS » Sun Jan 24, 2010 11:57 am

Hello,

as I could not make a video the last weekend, I made three today!

Here they are.

First, two new slingshots, the "YY" and the "4x4":

[youtube]http://www.youtube.com/watch?v=6bfdIzfLWTY[/youtube]

Then, a penetration test into the cheek of a hog, with the thick skin still on it:

[youtube]http://www.youtube.com/watch?v=FxhpHP-x3o0[/youtube]

Last not least, a short presentation of my enhancement to the Dankung "Warrior".

[youtube]http://www.youtube.com/watch?v=O7iTpFdim3U[/youtube]

The original review can be seen here:

[youtube]http://www.youtube.com/watch?v=wrlam2C7GmQ[/youtube]

Greetings, Jörg
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The Slingshot Channel goes 3D!

Unread postAuthor: JoergS » Thu Jan 28, 2010 2:47 am

Youtube now supports 3D!

If you type in "yt3d:enable=true" into the youtube search, then you will see lots of videos that are made in 3D.

You need to use 3D glasses, many types are supported. So if you have some 3D cardboard glasses lying around, great! Go ahead and find them, all kinds are supported.

Soon, the first 3D slingshot video will come out. You can also watch it in 2D if you don't have glasses or if you prefer 2D.

The Slingshot Channel will use a home made high definition 3D camera for the purpose.

Will be interesting!
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Unread postAuthor: jackssmirkingrevenge » Thu Jan 28, 2010 4:36 am

I like the use of "beelzeboss" as background music for the cheek penetration :) You should have backed it up with ply to simulate the skull though.
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Unread postAuthor: JoergS » Thu Jan 28, 2010 12:39 pm

Well, I was mostly interested to see if the balls can penetrate the very thick pig skin. It can!

Can you imagine how painful it must be to be hit by one of these balls? Especially the 19 mm (.75) lead ball. I think that would have been one very angry hog!
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My most beautiful slingshot

Unread postAuthor: JoergS » Sat Jan 30, 2010 2:43 pm

Hello,

after so many ball bearinged compound whatever slingshots, I really wanted to make a designer slingshot for a change.

First, the band attachments bother me. I mean, they work, but they are not a pretty sight. So I developed a way to hide the attachments! The bands come clean out of the fork.

Then, I used steel cable for the grip. That is a [female doggy] to wrap around the grip, but very rewarding in the end.

I added a bit of heavy black rope to make the thunb+forefinger grip more comfortable.

Then, I put a bit a leather beneath the fork arms to hide the welding (which looked OK, just not perfect).

Also, I used the slotted pouch for a cooler look.

This is a really nice slingshot. Of course the beauty lies in the eyes of the beholder, and others may think it is cheesy - but I think it is beautiful, and it shoots well.

Image

Image

Image

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Regards, Jörg
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Unread postAuthor: Brian the brain » Sat Jan 30, 2010 4:51 pm

It looks a little bit like a candle holder - but I need to find a better name than that... ideas, anyone?

How about "Menorah" ?
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Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: McCoytheGreater » Sat Jan 30, 2010 4:53 pm

Brian the brain wrote:How about "Menorah" ?


tee hee...

Fantastic work yet again, Joerg. Can't wait to see the next innovation in slingshot technology.
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