E3650 or Tarantula spring



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Offline wrnchbndr

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E3650 or Tarantula spring
« on: October 26, 2010, 03:04:10 PM »
I am planning on order a spring and seals from macarri and was wondering what the difference is in these two springs? I am putting it in my storm which I have converted to .22. It was shooting cphp in the 750's with the stock spring. I would like for it to shoot a little harder than that if possible. I don't know much about the springs and was hoping one of you wise gentlemen might give a little insight on which would be the better choice.


Thanks Skip
Crosman Titan .22 w/GRTIII trigger
Crosman Titan .22 w/GRTIII trigger, tuned by Gene
Crosman Nitro Venom Dusk .22
Crosman 1377 modified w/airgunsmith parts
Crosman 1322 modified w/mellon parts
Benji Marauder .22 w/Leapers 3-9x50
Beeman R1 .177 San Rafael Home tuned w/ARH spring and seal
Beeman RS2 Sport .22 lube tune, w/Centerpoint 4-16x40
Norica Tribal .22 lube tune

Offline Jay

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Re: E3650 or Tarantula spring
« Reply #1 on: October 26, 2010, 03:12:03 PM »
Just the little I know of them the Tarantula spring would be the better choice for more f.p.s., but I think it would need a custom guide for the best out of it while the E-3650 will fit better with your stock guide,just my thought's Skip so I hope our better tuner's on here chime in with better info for you.
N.R.A. ENDOWMENT,N.R.A./I.L.A.,G.O.A. LIFE, N.R.A. Instructor For C.C.W.,ALL FIREARM'S & RELOADING /No Free Man Shall Ever Be Debarred The Use Of Arm's (Thomas Jefferson).   Sheridan's "52" Silver, "79" Silver, "80" Blue, BAM-51 .22, Benji Mrod #31 .22, Benji Trail NP XL .177/.22, Gamo Whisper .177, Beeman RS2 .177/.22, Crosman 1377 .177, B-3-1 AK .177. FIREARM's Far more than I need NOT as many as I want.(More AG's to come I'm sure).

Offline shadow

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Re: E3650 or Tarantula spring
« Reply #2 on: October 26, 2010, 03:18:57 PM »
The Tarantula is used in combination with a custom spring guide and the E-3650 will work with the stock guide. Ed
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Offline longislandhunter

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Re: E3650 or Tarantula spring
« Reply #3 on: October 26, 2010, 03:21:46 PM »
Last year I used the E3650 in my Phantom and it was a drop in fit.  I believe JAY is correct in that with the tarantula you'll need to fabricate a custom guide.  I'm sure Shadow, Gene or one of the other real tuners will chime in an give you a definitive answer.

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Offline longislandhunter

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Re: E3650 or Tarantula spring
« Reply #4 on: October 26, 2010, 03:22:56 PM »
See, I told ya  :)  Shadow hit the "POST" button just a mili-second  before I did  :)

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Offline wrnchbndr

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Re: E3650 or Tarantula spring
« Reply #5 on: October 26, 2010, 07:16:29 PM »
Thanks guys thats just what I needed to know. I think there will be an improvement even with the E3650, as the seal was cut when I took it apart. If it'll still shoot as hard I'll be happy.

Thanks Skip
Crosman Titan .22 w/GRTIII trigger
Crosman Titan .22 w/GRTIII trigger, tuned by Gene
Crosman Nitro Venom Dusk .22
Crosman 1377 modified w/airgunsmith parts
Crosman 1322 modified w/mellon parts
Benji Marauder .22 w/Leapers 3-9x50
Beeman R1 .177 San Rafael Home tuned w/ARH spring and seal
Beeman RS2 Sport .22 lube tune, w/Centerpoint 4-16x40
Norica Tribal .22 lube tune

Offline Jay

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Re: E3650 or Tarantula spring
« Reply #6 on: October 26, 2010, 07:27:53 PM »
You will like JM's stuff for sure, very high quality.
N.R.A. ENDOWMENT,N.R.A./I.L.A.,G.O.A. LIFE, N.R.A. Instructor For C.C.W.,ALL FIREARM'S & RELOADING /No Free Man Shall Ever Be Debarred The Use Of Arm's (Thomas Jefferson).   Sheridan's "52" Silver, "79" Silver, "80" Blue, BAM-51 .22, Benji Mrod #31 .22, Benji Trail NP XL .177/.22, Gamo Whisper .177, Beeman RS2 .177/.22, Crosman 1377 .177, B-3-1 AK .177. FIREARM's Far more than I need NOT as many as I want.(More AG's to come I'm sure).

Offline gene_sc

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Re: E3650 or Tarantula spring
« Reply #7 on: October 26, 2010, 07:32:32 PM »
Also the E-3650 is a bit less harsh shooting. Not much, but enough to notice the difference. FPS is about 20 fps on the average lower than the Tarantula spring. Both springs are great springs and made from quality wire.
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Springer25

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Re: E3650 or Tarantula spring
« Reply #8 on: October 26, 2010, 10:56:36 PM »
I'd go with the E3650 If I were you.  I rebuilt my g1 bought custom guides, jm seal, and the tarantula spring.  It shoots high 500's in .22 cal and in .177 it shoots high 700's  It's very accurate but I just haven't been too happy with the power.  I put a jm seal in my air hawk and the fps rose 50-60fps and now shoots 950-960 fps.  good stuff.
« Last Edit: October 26, 2010, 10:59:14 PM by Schmidt »

Offline Pete

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Re: E3650 or Tarantula spring
« Reply #9 on: October 26, 2010, 11:14:21 PM »
Hi..
The Tarantula gives more tune options...(diffrent pre-loads)..
the tarantula can be made to preform like a E3650
with less pre-load...but the E3650 can't be made to
preform like a Tarantula..

I only use Tarantula springs in my kits...
EXSPERIANCE - being able to recognise your mistake the second time you make it....

Career Infinity .22 PCP
Hatsan Mod 55 .177
Hatsan Mod 75 .22
Hatsan Mod 99 .177
Kral Underlever .177
Gamo Hunter 440 .22
Others...

Link to other hobbie's
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http://www.advrider.com/forums/showthread.php?t=775145

Offline wrnchbndr

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Re: E3650 or Tarantula spring
« Reply #10 on: October 26, 2010, 11:36:26 PM »
I'd go with the E3650 If I were you.  I rebuilt my g1 bought custom guides, jm seal, and the tarantula spring.  It shoots high 500's in .22 cal and in .177 it shoots high 700's  It's very accurate but I just haven't been too happy with the power.  I put a jm seal in my air hawk and the fps rose 50-60fps and now shoots 950-960 fps.  good stuff.


I wouldn't be very happy at 500 fps. It's shooting 750's with the stock spring and a nicked seal. I'd like it to at least be at or above that. It shot .177 at 940-950. Thats with cphp's .177 &.22

Skip
« Last Edit: October 26, 2010, 11:41:37 PM by wrnchbndr »
Crosman Titan .22 w/GRTIII trigger
Crosman Titan .22 w/GRTIII trigger, tuned by Gene
Crosman Nitro Venom Dusk .22
Crosman 1377 modified w/airgunsmith parts
Crosman 1322 modified w/mellon parts
Benji Marauder .22 w/Leapers 3-9x50
Beeman R1 .177 San Rafael Home tuned w/ARH spring and seal
Beeman RS2 Sport .22 lube tune, w/Centerpoint 4-16x40
Norica Tribal .22 lube tune

Alan

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Re: E3650 or Tarantula spring
« Reply #11 on: October 27, 2010, 12:08:28 AM »
Has there been a recent spec change on the Tarantula?  Specifically the ID?  (e3650 id: .515")


*** copy/pasted from JM site ***
New-Tarantula 33 coil XLV FP
Specs are about .520 ID, 33 coils of .128  wire. New R9's-.600"plus, Old R10's .725" plus (spacing) Production will vary from 33-34 coils. Check your guides as these springs are now tighter-fit old guides only.

http://www.airrifleheadquarters.com/catalog/item/251488/43410.htm


I also have a Storm converted to .22, I believe it's averaging 650ish with CPHPs.  Stock everything.
Thanks.
« Last Edit: October 27, 2010, 12:21:24 AM by Alan »

Offline Davee1

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Re: E3650 or Tarantula spring
« Reply #12 on: October 27, 2010, 05:50:53 AM »
Alan, yep...the tarantula springs used to be about .530" ID.
Gamos all with GRTIII trigger... Whisper.22, Shadow1K.177, CFX.22/177, ShadowExpress.22/shotshell, a .177 Bone Collector with the new plastic trigger(sucks),  Diana 350M.177/22, P5.177, LP8.177, HammerliX2.177/22, Storm22, Chinese B3.177, B3AK47.22, B4.22, B21.22, Beeman1073SwitchBarrel.177/22,  P1.177, P3.177, P17.177, Browning B800.177/22, Crosman1377, Benji HB22, Marauder.22/25.

Offline oldpink

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Re: E3650 or Tarantula spring
« Reply #13 on: October 27, 2010, 01:30:32 PM »
I understand that the Tarantula is a bit stronger, and the E3650 is an easier install.
I can tell you that I installed the E3650 for my first ever air rifle repair on my .177 Gamo CFX, and it was a direct drop-in installation.
My muzzle velocity is basically identical to how it was before my stock mainspring broke, so I'm satisfied.
Airguns...they're not just for kids anymore.

Alan

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Re: E3650 or Tarantula spring
« Reply #14 on: October 29, 2010, 07:54:05 PM »
New tarantula from JM a couple weeks ago.
Some length info before/after I "set" it with the ol' threaded rod/washer.
Yet to be installed into the .22 Storm XT.
« Last Edit: October 29, 2010, 08:00:18 PM by Alan »

Offline Davee1

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Re: E3650 or Tarantula spring
« Reply #15 on: October 29, 2010, 08:03:40 PM »
good stuff Alan.  I use the threaded rod too to set my springs.  Do you squeeze em down until coilbind and then let em sit for a few seconds?  Thats the way I do it.  Makes a long spring a whole lot easier to install into a given airgun if the spring has already been set.  ;D
Gamos all with GRTIII trigger... Whisper.22, Shadow1K.177, CFX.22/177, ShadowExpress.22/shotshell, a .177 Bone Collector with the new plastic trigger(sucks),  Diana 350M.177/22, P5.177, LP8.177, HammerliX2.177/22, Storm22, Chinese B3.177, B3AK47.22, B4.22, B21.22, Beeman1073SwitchBarrel.177/22,  P1.177, P3.177, P17.177, Browning B800.177/22, Crosman1377, Benji HB22, Marauder.22/25.

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