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Post by rullow on Feb 28, 2017 8:43:20 GMT -5
Hi guys, does any of you have any idea what the story behind the colour schemes on French grenades - DF37 and OF37? From what I know, the blue,black and white are practice/school grenades. The yellow, yellow/red and brown schemes are propably connected to the explosive inside? Is there any difference within the years? If anyone has a clue - please share with us... Thanks Jakub P.S. - cool web about the grenades: www.lexpev.nl/grenades/europe/france/mle1937offensive.html |
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Post by lew on Feb 28, 2017 13:05:37 GMT -5
The top was yellow. Like the US M2 "pineapple" grenade, the yellow bottom half denoted flaked TNT inside, ergo high explosive. The caption on the picture in this link gives the coloring scheme: books.google.com/books?id=3D-VCwAAQBAJ&printsec=frontcover#v=onepage&q&f=false[In case that site goes tits-up] Yellow top half plus: Green bottom= Cheddite. Yellow= TNT. Red/Brown= Scheiderite, amatol, or ammonium nitrate/xylite. The OF has a thinner body with more explosive for better blast effect, while the DF is smaller, with a smaller charge and thicker jacket for better fragmentation effect. Fuses had a five-second delay (if commie sympathizers in the factories weren't messing with them, as was rumored). |
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Post by rullow on Mar 1, 2017 3:37:52 GMT -5
shit.... I am getting only to page 8.. any possibility of getting a screenshot? green bottom - this I ve never seen anywhere also there is a strange colour - mostly seen on DFs - dark brown - I d say.. anyway - thank you very much Steve - you shed a light on this issue  I ll paint some of mines one way or the other... I like the variety      |
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Post by craigtx on Mar 1, 2017 10:25:06 GMT -5
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Post by lew on Mar 14, 2017 9:40:25 GMT -5
During my recent visit to the Czech Republic, Jakub (rullow) was kind enough to present me with a 3D-printed and painted OF37 grenade body and a pressed steel spoon. He is working on making repro fuses. I'll post a picture tonight.
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Post by rullow on Apr 30, 2017 11:00:36 GMT -5
Hi finally get myself to the point when I have something to present.... after succesfull trial of spoons metal stamping, I made finally few samples of grenades and fuses.... for the moment both the grandes and spoons are from eprosin Z40 - the dark grey colour.... the mould should be suitable for using the tin too - I ve tried some fuses made from tin but the mold was too freshand burned out after two tries.... as well as it burned my hand too  those two are right top... however Z40 seems quite OK and it kept also the letters from the fuse.... master models are 3d printed and after few minor ameliorations I ll offer them online for free (as well as files for fuses) hopefully both the updated spoons + molded fuses will be available in bigger numbers.... now I am polishing the process so the first runs are more abou to see what can be done, how much time is needed and what cost it should be for...         |
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Post by lew on May 3, 2017 13:10:01 GMT -5
Gorgeous. I admire your industriousness. Aside from wrenching a few rifles together, I'm way to lazy to be that productive. I'm sure your fiancée fully understands your project.  Na zdraví! |
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Post by rullow on May 7, 2017 15:52:36 GMT -5
Hi Steven, wel its just a matter of determination - if I wont do it nobody will well putting a rifle together might be definitely more joyful than this  yep what she understands is that I am always out there hitting something with a hammer anyway - a bit of a progress... DF needs to be redesigned OF is quite OK..... also the fuses seem to me quite OK hallelujah     |
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Post by lew on May 8, 2017 13:27:07 GMT -5
Awesome project. I can scarcely wait for the finished product.
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etranger1953
Nouvelle arrivée
À l'outrance! En avant!
Posts: 9 
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Post by etranger1953 on Jun 3, 2017 11:31:15 GMT -5
Wow! Fantastic project and great work! I am very keen on buying one or two whenever you finish these repros. I have searched everywhere for reproduction DF/OF grenades or even inert models to no avail so this is a godsend. Thank you on behalf of all of us French Indochina/Algeria reenactors for taking on this project. |
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Post by lew on Jun 9, 2017 12:10:06 GMT -5
More than a few of us are patiently waiting for these to come to market. I have on of Jakub's prototype grenade bodies and it looks absolutely tops.
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dienbienphu
Entraînement
"The enemy has overrun us. We are blowing up everything. Vive la France!"- Final message from DBP
Posts: 24
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Post by dienbienphu on Jun 9, 2017 16:07:22 GMT -5
Definitely let me know when you have nailed these grenades, I'd like to finally fill my grenade pouches with French grenades.
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Post by rullow on Jun 12, 2017 3:09:48 GMT -5
Hey guys, the OF37 are on spot, DF still needs a bit of work on its shape - the neck is too thin... hopefully next model will sort it out.... perhaps the best way will be to put together bigger batch of those and ship to US at once to save the costs?      Jakub |
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Post by lew on Jun 12, 2017 13:12:35 GMT -5
I think batch shipping will be your best bet. Good to see the "fuses" are ready to go.
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Post by craigtx on Jun 13, 2017 21:35:47 GMT -5
I'm definitely interested!
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Post by toussant on Jun 13, 2017 22:44:15 GMT -5
I would also be interested...
Adieu!
---Toussant
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Post by rullow on Nov 15, 2017 15:53:22 GMT -5
Hi all, DF37 has been perfected today, and as I promissed - attached the files for 3d print of the grenade and fuse. One part of the file is also a drawing of an unfolded spoon - its for lase cutter - 0,8mm steel - either aluminium The rest can be made easily out of a wire and O ring uloz.to/!auxr7BT6RPEV/dfmle37-zip here some photos of how it should look like when printed, painted and assembled:   I ll order some cutouts for the spoons and start slowly with the first available - free to sell batch... those presented models are made by me and thus I can authorize you to make them freely available for anyone who is interested... OF37 will follow soon - as well as smoke grenade |
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Post by lew on Nov 16, 2017 12:59:46 GMT -5
Outstanding! Looking forward to the additional grenade mockups. Cheers, mate!
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Post by rullow on Nov 17, 2017 14:26:00 GMT -5
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Post by rullow on Nov 22, 2017 15:49:04 GMT -5
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Post by rullow on Dec 27, 2017 16:52:08 GMT -5
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Post by craigtx on Dec 27, 2017 20:18:19 GMT -5
Excellent Job!
Craig
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Post by lew on Dec 28, 2017 13:34:37 GMT -5
Those look awesome. How long until you are ready to ramp up production?
Cheers!
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Post by rullow on Dec 29, 2017 17:20:06 GMT -5
getting closer cca 10x body of DF is being prepared and I ll get some 3d prints of oF37 as well. But probably a bit less than OF37... will there be any demand for those phosphorous grenades? the same body with different colour stripes was used as tear gas grenade as well so I d like to have it as soon as possible but I am facing a tiny problem since my workshop is gone |
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Post by lew on Jan 8, 2018 11:47:15 GMT -5
Phosphorus grenades are cool. I'd be in for a couple.
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Post by slehman on Jan 8, 2018 11:51:29 GMT -5
Looking forward to the date when these wonderful pieces of work are available. Cheers
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Post by rullow on Jan 31, 2018 14:55:14 GMT -5
ouf ouf - we are getting closer the body seems now perfect - turned on CNC lathe from solid silon bar.. I ve cut out the original threads and now I am waiting if I can get the fuses made out of zamac - to withstand some presure so we could wera them hanging on our webbings I decided to send it out only as perfect product so please be patient for a tiny bit more, and I promise that you wont be dissapointed resin fuses are quite OK but not so much resistant as I hoped for... colour scheme seems OK as well. A stamp will be added later - but probably not on all pieces - evidence on stamping of those is quite enigmatic so better to leave it blank than to f*** it up.... there will be some extra fuses to fit whatever you want - its not so difficult to replicate the algerian war smoke grenades.... - quite similar to the US... (or if you ll get your hands on cheap 3d printing )   |
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Post by lew on Feb 1, 2018 12:55:03 GMT -5
I really wish I had your patience for 3D printing and prototyping. Excellent work so far. How involved was the durability testing? Throwing them repeatedly against a wall? Na zrdaví kamarád! |
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Post by rullow on Feb 1, 2018 15:57:40 GMT -5
you are almost right I ve tried to screw in the fuse by force - as much as I could by hand (it sat flush on the top already) - and the neck of the thread just broke of and thread stuck in... so I glued it back with epoxy and I ll keep that one for myself.... I want to be at least in the situation when I can screw it in by any force I can and I couldnt move it (and I want to avoid to deal with any overseas quality claims ) you remember this line very well cheers mate! |
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Post by lew on Feb 2, 2018 13:33:09 GMT -5
Don't worry: Us folks over the pond have a God-given right to bitch and complain. We'll find something wrong with the design, whether a problem exists or not. Peace! |
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those two are right top...
