Which Spraygun?
Author
Discussion

Howitzer

Original Poster:

2,862 posts

233 months

Thursday 12th March 2009
quotequote all
Hi all

I have a 3.0hp 50 litre compressor, it flows 12 CFM but only has a 50 litre tank. I have found a 150 litre air receiver but am unsure if it is needed yet due to the small area i'll be painting.

I will initially be spraying the bodywork on my bike. I have the etch primer, paint and laquer. I will get some panel wipe and tack rags and I have a bagoda which with a tarpaulin for the base will make a reasonable spray booth in my warm dry garage. I don't have any idea what spray gun to get though apart from gravity fed?

So, are there any features I should look for, nozzle sizes, makes etc?

Also if there is a good inline air dryer that you could reccomend that would be a help also.

Regards

Dave

7even

462 posts

210 months

Friday 13th March 2009
quotequote all
Howitzer said:
Hi all

I have a 3.0hp 50 litre compressor, it flows 12 CFM but only has a 50 litre tank. I have found a 150 litre air receiver but am unsure if it is needed yet due to the small area i'll be painting.

I will initially be spraying the bodywork on my bike. I have the etch primer, paint and laquer. I will get some panel wipe and tack rags and I have a bagoda which with a tarpaulin for the base will make a reasonable spray booth in my warm dry garage. I don't have any idea what spray gun to get though apart from gravity fed?

So, are there any features I should look for, nozzle sizes, makes etc?

Also if there is a good inline air dryer that you could reccomend that would be a help also.

Regards

Dave
Your compressor should be quite adequite, only if your wearing an airfed mask (which you should be if your in a DIY booth) then it will toyle.
Because you say you have the primer/Paint/Laquer you dont say what it is?
Is the etch primer you have aerosol or for the gun 1k or 2k?
Is the Paint Water Base or solvent?
Is the Lacquer 2k/HS/MS or non ico?

In an ideal world you would have a different gun for all stages, but if its a one off job thats not really viable.
IIRC theres some one on flea bay selling a cheapie gun with extra nozzles which would no doubt help in your cause. Primer needs a larger nozzle/needle set up about 1.7 is ok, base and clear anything over 1.2 should do. Another factor is how much you thin the products used down and also personal preferance.

All the best with your project, hope all goes well for you smile


Anatol

1,392 posts

251 months

Friday 13th March 2009
quotequote all
Good advice above.

If you haven't got them already, get the Tech Data sheets for the products you're going to use.

They tell you how to use the products safely, and in a manner that means they adhere, dry properly, look good and last. They also advise what size setup spray equipment to use, and at what pressure... this will dictate what spray equipment you'll need for the job.

Good luck, and look after your lungs!

Tol

Howitzer

Original Poster:

2,862 posts

233 months

Friday 13th March 2009
quotequote all
Cheers for the advice guys beer

Would the kit below be a reasonable start point? It doesn't give nozzle sizes mind you?

Dave

Howitzer

Original Poster:

2,862 posts

233 months

Thursday 19th March 2009
quotequote all
I just realised I never added the link....

http://www.spraygunsdirect.co.uk/product_info.php?...

Dave!

FEZZA_RS

909 posts

202 months

Thursday 19th March 2009
quotequote all
If its your first time I'd spend £80 on 3 machine mart hvlp gravity feed guns, they are ok for the cash and then you dont end up with primer in you clear coat ect. Get 1 gun with a 1.8 set up for your high build and 2 with 1.4 set up for base and clear. Dont mix up your clear and base guns!

Howitzer

Original Poster:

2,862 posts

233 months

Monday 30th March 2009
quotequote all
The guns have arrived, i'll get the airline when i'm home and also pick up a dryer/ filter for it.

Fingers crossed I don't turn my panels into a mess of dribbly lines and peeling laquer.

Dave!

bored-of-coding

1,292 posts

214 months

Friday 3rd April 2009
quotequote all
I'm just embarking on exaclty the same sort of thing, although only armed with 1 Machine Mart gravity gun ..
how do you set the pressure from the compressor? there's a gauge on the compressor, and another on the filter - should they both be set the same ? what sort of pressure?

thanks