CRX Apollo Light

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CRX
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CRX Apollo Light


I’ve seen this old 1968 NASA ACR Apollo brass light around a few times and although it is not my usual style it kept catching my attention as I liked the simplistic look of it, and it is a historic piece with some being flown on the LM.
The originals are very expensive if you can find one, auctioning up to $10k.
Space flown artifacts

NASA description: PENLIGHT
Manufacturer: ACR Electronics Co.
Model: ACR-FA-5
Dimensions: 5¼” x 1” × 5/8” (battery tube)
134mm x 25mm x 16mm (battery tube)
Weight: 2½ oz (70g) (without cells)
High: 15lm
NASA part no.: ACR-FA-5
No. carried/mission: 6 to 8 (Apollo)
No. carried in LM: 2
NASA usage: Apollo through Shuttle (late 80’s)

Barbarin from CPF has a replica kickstarter project going on for machine made versions in brass and also made one in Ti, should be nice if it goes into production but they run on alkaline cells with a single mode and lower max output.

I don’t have a lathe or such to make one but I couldn’t resist having a go at making my own replica version by hand with some differences.

The CRX Apollo is powered by a single 10440 with another cell carried spare in the partitioned insulated copper battery carrier, the reason for this is that the 16mm battery tube was too tight to fit a 14500 and I need to get a boring tool plus the storage compartment adds something different.
I may modify the light for 14500 compatibilty at some point in the future.

A simple two mode interface operated by twisting the head of the light switches between high and low modes.
The LED is a Cree XM-L2 5C on 16mm Noctigon on a sanded down S2 brass pill under a 20mm light OP aluminium reflector with 20mm ARC glass.
The 5C tint is about as warm as I like to have in my lights and still pays a little homage to the incan lamp used in the original, especially on low mode which is approximately the same output.
There is also a magnetic tail on my version.

CRX description: PENLIGHT
Manufacturer: CRX
Model: CRX Apollo
Dimensions: 5¼” x 7/8” × 5/8” (battery tube)
134mm x 22mm x 16mm (battery tube)
Weight: 5oz (142g) (with cells)
High: 440lm
Low: 18lm
NASA part no.: CRX-A2
No. carried/mission: 1
No. carried in LM: 0
NASA usage: None yet Big Smile

RIP Andy 18:03:47 – 02:08:17

Edited by: CRX on 05/07/2018 - 13:46
Suncoaster
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Nice.
Apollo One ?
Did you consider using an orange peel reflector ?

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southland
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Very nice.

Zulumoose
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Nice, but if you go through a development process and produce Apollo 2, Apollo 3, etc, remember to stop at Apollo 12. We wouldn’t want you to go out at night to test moonlight mode, have it blow up in your face, and barely make it back alive.

Beam me up!

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Nice one! It looks very elegant, in a simple way. Smile

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CRX
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Suncoaster wrote:
Nice. Apollo One ? Did you consider using an orange peel reflector ?

It has a light orange peel reflector, all I had to hand.

southland wrote:
Very nice.
Thumbs Up
Zulumoose wrote:
Nice, but if you go through a development process and produce Apollo 2, Apollo 3, etc, remember to stop at Apollo 12. We wouldn’t want you to go out at night to test moonlight mode, have it blow up in your face, and barely make it back alive.
Big Smile I think this will be the only one.
DavidEF wrote:
Nice one! It looks very elegant, in a simple way. Smile
Beer
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Sweet. Mission accomplished. Smile

 

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I’m still thinking about something for the head, where the knurling rings should be, maybe a couple brass olives or similar.

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CRX wrote:
I’m still thinking about something for the head, where the knurling rings should be, maybe a couple brass olives or similar.

Well, one of the things I like about this light is the consistently smooth, shiny finish all over. But, if you want it to look more like the original, then go for it!

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Ozythemandias
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I have an XML2 High CRI emitter, is like 2300k or something, would be perfect for this.

Or you can run it 2×10400 and a 3000 xhp50.2 for fun Smile

 

CRX
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DavidEF wrote:
CRX wrote:
I’m still thinking about something for the head, where the knurling rings should be, maybe a couple brass olives or similar.
Well, one of the things I like about this light is the consistently smooth, shiny finish all over. But, if you want it to look more like the original, then go for it!

Yeah I was thinking about it last night, leaving it plain or maybe some rings cut in something like the OL light?

Ozythemandias wrote:
I have an XML2 High CRI emitter, is like 2300k or something, would be perfect for this.

Or you can run it 2×10400 and a 3000 xhp50.2 for fun Smile

Don’t encourage me LOL
The thought had crossed my mind but I’m trying to use up some drivers, emitters & stuff I already have sitting here. I think the PK paladin driver will work from two alkaline/ NiMH cells too, will check that later.

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CRX wrote:
I’m still thinking about something for the head, where the knurling rings should be, maybe a couple brass olives or similar.

You could add a texture band or two to the head so it looks more similar to the original. FWIW, I like the silky smooth look but being a twisty, I can see that being troublesome for operation.

CRX
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Yeah I had to use a slightly smaller less tightly fitting o-ring as it was difficult to operate.

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Or you could give it more grip by sticking some velcro to the head like the original! No, please don’t do that. Another great flashlight CRX.

I’d rather use my flashlight around the house than turn on the lights.

CRX
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Thanks mate, yeah no velcro Big Smile

So it runs fine on two AAA eneloops too, got one hour out of it on high mode 390lm, low is 18lm on those.
The single 10440 runs it for about 45mins on high down to 3v and four hours to 3.7v on low.
I might just keep the loops in it.

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Great ! It looks so small

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CRX
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Funny, it actually looks bigger than the dimensions it is, I’ve measured it twice, still 5&1/4 inches long (the light) Big Smile

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Magnificent!
By using TIR optic, it would look more authentic.

CRX
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Good point, I didn’t think of that Thumbs Up

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Pretty. But I liked it better before. Flat Stare

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CRX
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Tuff Big Smile

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I’d still enter for the giveaway! Innocent

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Smile
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How’s the grip with the new grooves?

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Just the same really except more of a tactile feel so it seems better. Smoothed the threads and lubed so it can be operated with one hand Thumbs Up

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Grooves make me like it better.
It was too simple for my taste before.

Nice work Smile

How do you polish brass that good?

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CRX
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Thanks, that’s what I thought.
0000 wire wool with soap then brasso, it’s like fibreglass impregnated with polishing fluid. Could have taken it further but i hate polishing .

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I have some brass things to polish and have to find something to polish with.

Local stores don’t have anything usable for brass.

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.” - Isaac Asimov

 

"With the first link, the chain is forged. The first speech censured...the first thought forbidden...the first freedom denied – chains us all, irrevocably."

 

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Sofirn SF36 /// Thorfire VG10S /// Sofirn C8F /// Zanflare F1

CRX
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Get some fibreglass from the loft and use dish soap liquid, wear gloves.

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I will try. Thank you Smile

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.” - Isaac Asimov

 

"With the first link, the chain is forged. The first speech censured...the first thought forbidden...the first freedom denied – chains us all, irrevocably."

 

My reviews:

Sofirn SF36 /// Thorfire VG10S /// Sofirn C8F /// Zanflare F1