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13-01-2008
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#1 (permalink)
| | Scale Model Member | My home made smoke generator set up Hi all So after getting absolutely nowhere trying to get an Old Smokey smoke generator, I gave up and decided to build my own. It uses a seuthe12v super smoke generator which produces huge amounts of smoke, and I mean huge far more than I was expecting. The rest is all home made, to my own design to partially fit in my boat and also so it produced the effect I wanted. I built a housing to mount the smoke element in out of copper sheet which also acts as a chamber for the smoke. This in turn has an outlet in the top where the funnel fits on, and also a division to make sure the air passes straight out drawing the smoke with it, (see marked line) There is then a small 40mm fan on a length of pipe connected to the smoke housing, which is connected to a speed controller and powered by its own 12v battery. The drive motor also has its own speed controller and the two are joined via a Y lead from the receiver. So when you turn it on, smoke is produced and fills the housing and gradually fills the funnel then drifts out the top. When the boat goes forwards the fan comes on giving a nice big puff of smoke, then the faster you go the faster the fan runs in turn the faster the smoke is pushed out. When running at medium speed which you do most of the time, you get a nice plume of smoke coming out that looks far more authentic than just drifting out on its own. It was designed to simulate a worn out diesel engine, hence the big plume on start up, and the fading the fast it goes. It’s fed via a traxxas fuel tank as it tends to use quite a lot of smoke fluid. After testing it seemed to run much better on its own separate 12v battery as when run off the main drive battery the smoke tended to slow as the drive motor drew more current. Connecting the smoke element to its own battery instantly made a huge difference. Now just a few bits to permanently connect and its nearly done. Don  |
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13-01-2008
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#2 (permalink)
| | Moderator
Join Date: Jul 2005 Location: Halifax, Yorks: Nassau, Bahama's:Port Canaveral, USA: and all points in between. Real Name: Richard My Models: Robbe U-47, Deans Marine Cossack, Steam Coaster, Revell U-Boat, Motorcycles. Visit Bunkerbarge's Gallery
Posts: 3,581
| Don, That's a very interesting set up you have made there and it sounds to have the performance to match.
Can you clarify one thing though, is the smoke generator a heating element heating oil to produce smoke or is it a vapor generator like the "Old Smokey" unit?
__________________ 
“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days" |
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13-01-2008
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#3 (permalink)
| | Daughter of Nigel.d
Join Date: Oct 2005 Location: Basildon Essex Real Name: Charlotte My Models: WWII planes mostly Visit AerynPk's Gallery
Posts: 727
| That is a wonderful design of the generator there well done. |
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17-03-2008
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#5 (permalink)
| | Hi I'm New | hey, can you post a picture or small video of the smoke output, I am looking to make my own smoke unit as well.
Thanks
Dami |
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17-03-2008
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#6 (permalink)
| | Scale Model Member
Join Date: Jan 2007 Location: Adelaide, Australia Real Name: Russell My Models: Cardstock & Plastic Rally & Safari Cars & Trucks Visit Desert Rat Racer's Gallery
Posts: 175
| Don looks good but I'm spuprised U'r local electronics store didn't have smoke genorators even small ones I know ours do & we have about 3 typpes to chose from. The unit looks great sounds like it preform great with speeding up and slowing down with the vessel I luv to see it in action.  |
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18-03-2008
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#8 (permalink)
| | Scale Model Member
Join Date: Jan 2007 Location: Adelaide, Australia Real Name: Russell My Models: Cardstock & Plastic Rally & Safari Cars & Trucks Visit Desert Rat Racer's Gallery
Posts: 175
| Job well done Don. |
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20-03-2008
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#9 (permalink)
| | Scale Model Member
Join Date: Jul 2005 Location: Sunderland Real Name: John My Models: Warships 1890-1920, merchant ships1950-1970 Visit jankers's Gallery
Posts: 292
| That looks awesome Don, what sort of size is the unit?
J. |
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20-03-2008
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#10 (permalink)
| | Scale Model Member
Join Date: Aug 2007 Location: Mougins on the french Riviera Real Name: Alan My Models: I go for greek war ships, I've made A 1/125 scale of the Velos Destroyer that is in Athen port Visit Averof's Gallery
Posts: 42
| even cheaper Maybe I can add a few tips. A friend and I have been try to put up a 100% home made smoke generator. We ended with somthing looking very much as don's great job exeption made of the independent speed controler wich is a marvelous inproovement.
Still what might be usefull to some of you; We have used a smal coil spring pensil type as a resistor, it's aplyed on a small lair of heat insolating fiber glass. using a 7.4 v 1500 mA NIMH battery. Our smoke oil is simply lamp petrol, wich gives great smoke and is very cheap. For those who try it you will find it can produce a great amount of smoke with very few petrol. Best regards to all of you, your Greek friend from the french riviera. |
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