I have this interesting 200 foot reel which has 3 additional wider splines in addition to the normal 3 splines on a super 8 reel. Anyone know what the larger ones are for?
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Whats this reel with 6 splines instead of 3 all about?
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
Could it have been a take-up reel for some particular brand of projector?
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
It's possible but it's only a 200 footer, what super 8 projector only accepts 200 feet?RCBasher wrote:Could it have been a take-up reel for some particular brand of projector?
Re: Whats this reel with 6 splines instead of 3 all about?
Good point, 400ft would be more usual. Maybe a small portable one of some sort? Anyway, it was just a guess of course.slashmaster wrote:It's possible but it's only a 200 footer, what super 8 projector only accepts 200 feet?
Off all the things I've lost, I miss my mind the most.
Re: Whats this reel with 6 splines instead of 3 all about?
It's for 1/4inch magnetic tape for reel to reel tape players/recorders.
I see them a lot in the UK.
Often the hole has a little insert adaptor so you can use them on older regular 8mm projectors as well as 1/4 tape and super 8. Don't know what they are called - Multi Reels?
Boots the chemist used to sell them.
Chris
I see them a lot in the UK.
Often the hole has a little insert adaptor so you can use them on older regular 8mm projectors as well as 1/4 tape and super 8. Don't know what they are called - Multi Reels?
Boots the chemist used to sell them.
Chris
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
Oh, so it's like that so the adapter that comes with it will fit more rigid than the more common ordinary adapter? Sounds like the answer! Thanks Chris!Chris-B wrote:It's for 1/4inch magnetic tape for reel to reel tape players/recorders.
I see them a lot in the UK.
Often the hole has a little insert adaptor so you can use them on older regular 8mm projectors as well as 1/4 tape and super 8. Don't know what they are called - Multi Reels?
Boots the chemist used to sell them.
Chris
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
It would be very interesting if there was one that ran off several D cells!RCBasher wrote:Good point, 400ft would be more usual. Maybe a small portable one of some sort? Anyway, it was just a guess of course.slashmaster wrote:It's possible but it's only a 200 footer, what super 8 projector only accepts 200 feet?
Re: Whats this reel with 6 splines instead of 3 all about?
By portable I meant small and light, not necessarily battery powered! I guess with an efficient motor and LED lighting, a battery (rechargeable?) powered one could be possible....would certainly focus ones' attention on short and interesting films rather than hours of holiday footage!!slashmaster wrote: It would be very interesting if there was one that ran off several D cells!
PS: Further thoughts - a LED powered projector would not need a shutter, reducing the load on the motor, as the LEDs could be turned off during the pulldown phase, no heat shield required and full brightness still frame. Anyone keen to make one? Ha!
Off all the things I've lost, I miss my mind the most.
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
I don't think you'll be able to easily concentrate enough light from LEDs through a film frame to make a very bright picture, but would be interesting to see how it looks compared to a usual tungsten or halogen bulb projector. You could certainly get much higher color temperatures!RCBasher wrote:By portable I meant small and light, not necessarily battery powered! I guess with an efficient motor and LED lighting, a battery (rechargeable?) powered one could be possible....would certainly focus ones' attention on short and interesting films rather than hours of holiday footage!!slashmaster wrote: It would be very interesting if there was one that ran off several D cells!
PS: Further thoughts - a LED powered projector would not need a shutter, reducing the load on the motor, as the LEDs could be turned off during the pulldown phase, no heat shield required and full brightness still frame. Anyone keen to make one? Ha!
Re: Whats this reel with 6 splines instead of 3 all about?
Getting the light power shouldn't be a problem (there are LED car headlamps) but doing so and keeping the power consumption reasonable would be a challenge! Anyway, as a "portable" projector it could be forgiven for not being able to light up a whole wall from 20 feet....slashmaster wrote:I don't think you'll be able to easily concentrate enough light from LEDs through a film frame to make a very bright picture, but would be interesting to see how it looks compared to a usual tungsten or halogen bulb projector. You could certainly get much higher color temperatures!
Off all the things I've lost, I miss my mind the most.
Re: Whats this reel with 6 splines instead of 3 all about?
Well, somebody thinks they've done it:
https://www.youtube.com/watch?v=GNA1vffiHrE
https://www.youtube.com/watch?v=GNA1vffiHrE
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slashmaster
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Re: Whats this reel with 6 splines instead of 3 all about?
Well he's getting a nice color temperture, if he can get more power than that I might be interested.