My DIY aluminium hood

[BarraCudaTM]

there's some pics of a 4ft aluminium hood for my 20000K iwasakis

[BarraCudaTM]

hood

[BarraCudaTM]

close up

[BarraCudaTM]

under 20000K iwasaki .. pics dont turn out good

[BarraCudaTM]

red cocoworm, notice the little goniopora on the left ...

[BarraCudaTM]

mother goniopora

[wolfie]

ask u ar...

where did u get ur Aluminium sheet one? did the shop bent it for u?

[BarraCudaTM]

I got it along kakit bukit

gave them the dimension and they bent it

[BarraCudaTM]

you can go to HoiKim Tinsmith Engineering

3024 UBI ROAD 3 #01-73

Tel 7488778

They provide cutting and bending of light metals

you will have to rivet and drill the holes yrself

[Achilles Tang]

Did these guys design the reflector for you?

I was thinking that it could have been designed better coz the restrike seems quite high.

Perhaps Alvy or Phang or Robe could give a parabolic DIY design plan?

[Phang]

Hey, I'm willing!!!!....

anyone with a Digi cam and wants these reflectors made???

Can do one and at the same time take step by step pictures to post.......

and everyone can have their own parabolic reflectors...!!!!!!

Sorry .... out of topic....

Will post new thread once someones wans a reflector done....

[BarraCudaTM]

The Shape of the hood is similar to the photo

The bottom flat part is just wide enough to mount the brackets and bulb socket

The outermost bend is outwards and not straight in order not to limit the light

The reflector is mounted 3mm away from the hood so that the hood will be cool .. infact you can put on hand on the hood, it feels abit warm only

[Achilles Tang]

I was thinking that the bottom could be flat to accomodate the mogul socket but where the bulb would be against.... would have a pointed angle like an inverted V eg.

V

O = bulb

This prevents restrike (light reflecting back onto the bulb)... and the light could go somewhere else where it's needed!

[BarraCudaTM]

I dont understand leh

The bottom must be flat for the bracket but how to make it inverted V?

If you make too many bends in the mainhood .. firstly the workmanship cost you much more, secondly the ends will be very hard to fabricate as you have multiple angles then you will have probelms having a perfect fit

[Achilles Tang]

The inverted V looks like this.

[BarraCudaTM]

ohhh .. I see

but it will involve alot of work leh

and 1 more thing .. will the output increase be significant to justify the extra cost?

[Achilles Tang]

Well... I would extremely keen to make sure that every light photon is directed directly into my tank!

[BarraCudaTM]

[Chris]

I am thinking of DIYing a 2 X 150W Iwasaki 20K unit for my 4 footer. I am toying with the idea of using my present ocean free 4 feet hood for 2 FL tube and convert it to house the 2 MH unit. Is it feasible? I went to EYE lighting, saw the bulb and like it. Just thinking if housing the MH bulbs in the Ocean Free FL hood would be alright.

[Cedric]

Hi Chris,

that is exactly what I am doing. I'm using a old FL hood to house 2 x FL, 2 x MH and 1 x Moonlight. A bit tight but with some creativity, yes it can be done.

[BarraCudaTM]

the probelm with DE bulbs that you need a piece of tempered glass to shield it.

if you are using SE bulbs .. there is no way you can fit the E27 socket in

[rrrobt]

i dont know about Ocean Free FL hood but i sure know about weipro and about fixing is as easy as 1 +1, i using SE blub E27 socket.

below is not my tank but what it look like

[yazid]

Hey, I'm willing!!!!....

anyone with a Digi cam and wants these reflectors made???

Can do one and at the same time take step by step pictures to post.......

and everyone can have their own parabolic reflectors...!!!!!!

Sorry .... out of topic....

Will post new thread once someones wans a reflector done....

My next project will be my lighting....

Would definitely like to know Phang parabolic reflector or even the Spider Reflector.

Where do I start?

I got a Digi cam and can the shots...

[Joe]

Hmmmm...... the administrating charges are......

Ok.... when are you available....I'm currently doing one for Chanbi....

[jason]

Hi BarraCuda™,

How much you spend on your DIY MH? I am interested. I currently a 4ft casing with reflector to convert hope to learn from you. I know nothing about DIYing MH. Advise appreciated

Hope to do 1x 250W or 2 X 150W.