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-   -   need smoke system (https://www.rcuniverse.com/forum/rc-jets-120/9141472-need-smoke-system.html)

kenazzo2000 10-02-2009 01:14 PM

need smoke system
 
hi ive built a jet funnycar and will be doing shows with the car in full quarter scale tracks . i need help to build a homemade smoke system . i was thinking of buying a small fuel pump attach it to a small switch and a servo to push the switch so that i can put on and off the pump any time i like . any suggestions do you think it will work ? thanks

http://i513.photobucket.com/albums/t...Picture120.jpg




http://www.youtube.com/watch?v=n_HUwP2H544

ianober 10-02-2009 01:48 PM

RE: need smoke system
 
TamJets sells a smoke system as well as JetCat which works with their turbines. You could also purchase a Sullivan skywriter pump from Tower and then use a Tams injector nozzle at the turbine exhaust, thats what I am doing.

kenazzo2000 10-02-2009 01:52 PM

RE: need smoke system
 


ORIGINAL: ianober

TamJets sells a smoke system as well as JetCat which works with their turbines. You could also purchase a Sullivan skywriter pump from Tower and then use a Tams injector nozzle at the turbine exhaust, thats what I am doing.
thanks ill check it out and see

kenazzo2000 10-03-2009 12:21 AM

RE: need smoke system
 


ORIGINAL: ianober

TamJets sells a smoke system as well as JetCat which works with their turbines. You could also purchase a Sullivan skywriter pump from Tower and then use a Tams injector nozzle at the turbine exhaust, thats what I am doing.
any photos ? please

BluFox 10-03-2009 06:01 AM

RE: need smoke system
 
Hello:

We offer a complete smoke system which includes, pump, stainless steel nozzles, clear Festo 4mm tubing, Festo 4mm fittings, solenoid and complete set up instructions. Battery may be 4.8 thru 7.4. 100% satisfied users to date. Simple to install. . . .and instant OFF with no residual fuel drip.

$225 USD plus $20 shipping to your address. We accept PayPal to [email protected], Visa or MasterCard.

Email to : [email protected] for immediate response.

Best regards,
Eric Clapp

kenazzo2000 10-03-2009 06:22 AM

RE: need smoke system
 


ORIGINAL: BluFox

Hello:

We offer a complete smoke system which includes, pump, stainless steel nozzles, clear Festo 4mm tubing, Festo 4mm fittings, solenoid and complete set up instructions. Battery may be 4.8 thru 7.4. 100% satisfied users to date. Simple to install. . . .and instant OFF with no residual fuel drip.

$225 USD plus $20 shipping to your address. We accept PayPal to [email protected], Visa or MasterCard.

Email to : [email protected] for immediate response.

Best regards,
Eric Clapp

thanks but i was looking for something a bit cheaper

kenazzo2000 10-03-2009 06:42 AM

RE: need smoke system
 
do you think i can work with this ?
FUEL PUMP 6v-12v rc model petrol nitro fuelpump

http://i513.photobucket.com/albums/t...thYBKEws1i.jpg

FILE IFR 10-03-2009 08:26 AM

RE: need smoke system
 
That all depends on what material the pump's gears/impellers are made of. A 'nitro' pump will work for a very very short time when in contact with gasoline, kerosene or diesel.


The internals (plastic) of a 'nitro only' pump will turn into a gummy mess with a petroleum based substance.

kenazzo2000 10-03-2009 08:49 AM

RE: need smoke system
 


ORIGINAL: FILE IFR

That all depends on what material the pump's gears/impellers are made of. A 'nitro' pump will work for a very very short time when in contact with gasoline, kerosene or diesel.


The internals (plastic) of a 'nitro only' pump will turn into a gummy mess with a petroleum based substance.
it says petrol nitro do you think its good ? or do you know were i can get some motor to use ? thanks for your help

joeflyer 10-03-2009 09:39 AM

RE: need smoke system
 
I used the old worn fuel pump from my Ram500. I bought a cheap speed controller so that I can vary pump speed from my transmitter. The nozzle is no big deal. I bought a short length of 1/8" stainless tubing at my local hobby shop and flattened one end to form a nozzle.

At first I had the smoke control on a slider switch on my transmitter. This allowed me to go from a little bit to a lot of smoke. Now I have the pump speed mixed to throttle and use a mix switch to turn it on and off. It works great.

Some guys have used a Jetjoe fuel pump since it's cheap and not much good for running a turbine. By the time you add up the cost of an inexpensive pump and a speed controller you might as well just buy the Sullivan Skywriter pump.

The simplest system would be to have an inexpensive pump with no speed control. Just size the battery voltage to get the volume of smoke you want.

Joe

kenazzo2000 10-03-2009 09:45 AM

RE: need smoke system
 


ORIGINAL: joeflyer

I used the old worn fuel pump from my Ram500. I bought a cheap speed controller so that I can vary pump speed from my transmitter. The nozzle is no big deal. I bought a short length of 1/8'' stainless tubing at my local hobby shop and flattened one end to form a nozzle.

At first I had the smoke control on a slider switch on my transmitter. This allowed me to go from a little bit to a lot of smoke. Now I have the pump speed mixed to throttle and use a mix switch to turn it on and off. It works great.

Some guys have used a Jetjoe fuel pump since it's cheap and not much good for running a turbine. By the time you add up the cost of an inexpensive pump and a speed controller you might as well just buy the Sullivan Skywriter pump.

The simplest system would be to have an inexpensive pump with no speed control. Just size the battery voltage to get the volume of smoke you want.

Joe
thanks mate the small pump in the picture i posted is not expensive i dont need something special just some smoke out of the back of the car . have you got any pictures please

joeflyer 10-03-2009 10:17 AM

RE: need smoke system
 
Sorry, I don't have any pictures.

kenazzo2000 10-03-2009 10:23 AM

RE: need smoke system
 


ORIGINAL: joeflyer

Sorry, I don't have any pictures.
ok dont mater here s my plan in the drawing do you think it will work ? it should
http://i513.photobucket.com/albums/t...000/scan-1.jpg

joeflyer 10-03-2009 10:44 AM

RE: need smoke system
 
Yes. I assume that some wires will come out of the switch leading to a battery. I suggest that you put a filter between the tank and pump, and a manual on/off valve between the pump and pipe (otherwise it may drip when off).

You might want to consider an electric switch instead of the servo+switch. See http://www3.towerhobbies.com/cgi-bin...?&I=LXCJD7&P=7

Or for about the same price you could use an inexpensive brushed speed controller, which would allow you to vary pump speed. Also since you can adjust pump speed you could power it off of your ECU battery and not worry about finding an additional battery pack at the right voltage.

Joe

kenazzo2000 10-03-2009 10:49 AM

RE: need smoke system
 


ORIGINAL: joeflyer

Yes. I assume that some wires will come out of the switch leading to a battery. I suggest that you put a filter between the tank and pump, and a manual on/off valve between the pump and pipe (otherwise it may drip when off).

You might want to consider an electric switch instead of the servo+switch. See http://www3.towerhobbies.com/cgi-bin...?&I=LXCJD7&P=7

Or for about he same price you could use an inexpensive brushed speed controller, which would allow you to vary pump speed.

Joe
ok i didnt mension battrey and so on but that was the plan can you tell me how the elec switch works ? please

joeflyer 10-03-2009 10:53 AM

RE: need smoke system
 
It is a solid state replacement for a servo+switch. Click on the link I provided and read the description.

Joe

kenazzo2000 10-03-2009 11:00 AM

RE: need smoke system
 


ORIGINAL: joeflyer

It is a solid state replacement for a servo+switch. Click on the link I provided and read the description.

Joe
lets see if i understood the elec switch is hooked up to the receiver then there should be two wires that hook to the pump then i can put a switch on or off is that right ?

joeflyer 10-03-2009 11:37 AM

RE: need smoke system
 
That's my understanding of how it works. It should allow you to switch the smoke on and off from your transmitter. I have seen these before but never actually used one.

If you have any detailed questions about your intended use I suggest that you email EMS. Their contact information is on their website http://www.emsjomar.com/

Joe

kenazzo2000 10-03-2009 11:40 AM

RE: need smoke system
 


ORIGINAL: joeflyer

That's my understanding of how it works. It should allow you to switch the smoke on and off from your transmitter. I have seen these before but never actually used one.

If you have any detailed questions about your intended use I suggest that you email EMS. Their contact information is on their website http://www.emsjomar.com/

Joe
ok thanks i will thanks for all of your help last question please i guess it use s the receiver s battrey ? so less weight better

joeflyer 10-03-2009 11:45 AM

RE: need smoke system
 
Yes, the electronic switch is powered by the receiver battery. All it's doing is replacing your proposed servo+manual switch. Think of it as a relay. You will need a separate power source to run the smoke pump.

Joe

kenazzo2000 10-03-2009 12:02 PM

RE: need smoke system
 


ORIGINAL: joeflyer

Yes, the electronic switch is powered by the receiver battery. All it's doing is replacing your proposed servo+manual switch. Think of it as a relay. You will need a separate power source to run the smoke pump.

Joe
ok joe thanks for all of your help ill see what i will do

FILE IFR 10-03-2009 12:14 PM

RE: need smoke system
 


ORIGINAL: kenazzo2000



ORIGINAL: FILE IFR

That all depends on what material the pump's gears/impellers are made of.
it says petrol nitro do you think its good ? or do you know were i can get some motor to use ? thanks for your help
A motor is a motor, it's the PUMP you'll need to be sure is compatable with smoke oil & gasoline etc.

I've never heard of a 'petrol nitro' pump. Just ask the manufacturer if it'll be ok for your application.

kenazzo2000 10-03-2009 12:16 PM

RE: need smoke system
 


ORIGINAL: FILE IFR



ORIGINAL: kenazzo2000



ORIGINAL: FILE IFR

That all depends on what material the pump's gears/impellers are made of.
it says petrol nitro do you think its good ? or do you know were i can get some motor to use ? thanks for your help
A motor is a motor, it's the PUMP you'll need to be sure is compatable with smoke oil & gasoline etc.

I've never heard of a 'petrol nitro' pump. Just ask the manufacturer if it'll be ok for your application.
i asked him and he said yes they use them on petrol boats

kenazzo2000 10-03-2009 08:20 PM

RE: need smoke system
 


ORIGINAL: joeflyer

Yes, the electronic switch is powered by the receiver battery. All it's doing is replacing your proposed servo+manual switch. Think of it as a relay. You will need a separate power source to run the smoke pump.

Joe
does the battrey need a switch up to the pump ?

joeflyer 10-03-2009 09:10 PM

RE: need smoke system
 
The EMS unit is the switch, you don't need another one. It's just a switch that is controlled by you transmitter. Like I said before it replaces the servo+mechanical switch you were proposing. It works like a relay.

Joe


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