Hatsan Underlevers .....any reviews???

[GunnerAl]

I think the new Model 200 is rated at around the 1000fps rather than the 1250fps like the Domin8tor and Model 155. That might be a good thing in the long run, especially for the .177 version.

Tom @Buzzard Buff,,,
I'd say there are up to three things that "could" make a 155 Torpedo group badly (as I may have said above)...
1. The chosen pellet
2. Your hold on the rifle when fired
3. That huge untamed power - and certainly in .177 cal

You may have to try a few pellets to hit that sweet-spot and adapt to an almost free hold when firing and get used to the trigger to try to counter that enormous power, and, make sure those screws are tight on the stock,, they are left hand treads on mine. I could have easily snapped mine thinking they were the more normal right and threads while trying to undo them. Not good... I found two pellets went well for me - JSB Exact 8.4gr and the H&N Baracuda 10.4gr, although if I was foreced to make a choice, the JSB Exact might be the better choice. A good scope too will help no end...

[Tom @ Buzzard Bluff]

Gunner Al,
A remedial course in reading comprehension is recommended.  Tom

[Ken T]

Take the scope stop off, so you can mount the rings further back

I had the scope stop off.I was using Weaver rings.The slots for the Weaver rings need to continue further to the rear of the base.

[Nomadic Pirate]

.

[AD]

hello

additional information for Torpedo 100X (.177) chrono numbs. this rifle has had only 250 rounds through her before this test, and has never been 'tuned'.

made use of Competition Electronics, ProChrono Digital device for the following fps measurements: mid 60's Fahrenheit, solid overcast skies. each shot was taken within 15-30 seconds of each other...approx.

Superdome 8.3gr     Superpoint 8.2gr   Meisterkugeln 8.2     Hobby 7.0    SuperH-point 6.9
         1010                        983                       992                         1061                1057
         1000                        992                       1003                       1046                1049
         1001                        997                       986                         1069                1059
         999                          996                       1004                       1056                1059
         998                          995                       994                         1066                1049
         988                          981                       1003                       1059                1057
         996                          999                       987                         1053                1047
         994                          991                       996                         1062                1061
         990                          995                       995                         1072                1059
         989                          991                       991                         1065                1008
       Avg. 996                Avg. 992             Avg. 995                    Avg. 1060         
Extreme Spread. 22         ES. 18                 ES. 18                       ES. 26
Std.Deviation 6              SD. 5                  SD. 6                         SD. 7

Crosman Ultra Magnum 10.5gr
875
882
874
879
872
879
872
877
880
869       Avg. 875, ES. 13, SD. 4

there was not a single error reading.

since the offset mount i tried did not hold with a stop pin, and two bolts....i tried a BKL 1-Pc Mount, 4" Long, 1" Rings, 3/8" or 11mm Dovetail, 6 Base Screws, .007 Drop Compensation, Matte Black.

well, it did not hold either. i cleaned the rail prior to mounting, and loctited with what i thought was a reasonable amount of torque to hold, and by the end of the test, it had slid back about 20mm. for now, i will chalk this up to inexperience. the recoil on this rifle does not seem all that harsh, guess it really is.

well, that's all i have until after it gets 'tuned'. now that i have a base line established...more or less, i will share what is discovered.

-tony

[Magman116]

hello

additional information for Torpedo 100X (.177) chrono numbs. this rifle has had only 250 rounds through her before this test, and has never been 'tuned'.

made use of Competition Electronics, ProChrono Digital device for the following fps measurements: mid 60's Fahrenheit, solid overcast skies. each shot was taken within 15-30 seconds of each other...approx.

Superdome 8.3gr     Superpoint 8.2gr   Meisterkugeln 8.2     Hobby 7.0    SuperH-point 6.9
         1010                        983                       992                         1061                1057
         1000                        992                       1003                       1046                1049
         1001                        997                       986                         1069                1059
         999                          996                       1004                       1056                1059
         998                          995                       994                         1066                1049
         988                          981                       1003                       1059                1057
         996                          999                       987                         1053                1047
         994                          991                       996                         1062                1061
         990                          995                       995                         1072                1059
         989                          991                       991                         1065                1008
       Avg. 996                Avg. 992             Avg. 995                    Avg. 1060         
Extreme Spread. 22         ES. 18                 ES. 18                       ES. 26
Std.Deviation 6              SD. 5                  SD. 6                         SD. 7

Crosman Ultra Magnum 10.5gr
875
882
874
879
872
879
872
877
880
869       Avg. 875, ES. 13, SD. 4

there was not a single error reading.

since the offset mount i tried did not hold with a stop pin, and two bolts....i tried a BKL 1-Pc Mount, 4" Long, 1" Rings, 3/8" or 11mm Dovetail, 6 Base Screws, .007 Drop Compensation, Matte Black.

well, it did not hold either. i cleaned the rail prior to mounting, and loctited with what i thought was a reasonable amount of torque to hold, and by the end of the test, it had slid back about 20mm. for now, i will chalk this up to inexperience. the recoil on this rifle does not seem all that harsh, guess it really is.

well, that's all i have until after it gets 'tuned'. now that i have a base line established...more or less, i will share what is discovered.

-tony

Tony,

Looks like yours is consistent, but averages about 100fps lower than my Winchester 1100XSU which is the same as the Torpedo 100X.

Using Beeman kodiak Match 10.65gr pellets the average velocity was 940fps 20.9fpe with a high of 942 and a low of 938.7.  Then I used RWS hobby 7gr pellets.  They averaged 1156fps 20.78fpe with a high of 1158 and a low of 1155.

Maybe I have a better fitting piston seal.  I wouldn't worry about the fps much as yours is shooting very consistent.

I did have the scope slip on it and almost fell off the rifle.  Then I removed the scope stop from the rear and mounted the rear scope mount over the scope stop hole.  That way I could secure the rear scope mount scope stop screw into the same hole.  Then I moved the scope stop just behind the front scope mount.  I have since replaced the scope mounts with picatinny mounts and no more worries about slipping.

-Chris

[AD]

hey Chris,

yes, i like the consistency as it is, and after a tune it may improve. not sure what the break in period is on these things.

yes, the two piece picatinny scope mount works, i tried it...however the eye relief for me, along with the short scope just was not matching up right. if the slots were closer to the stock, i would not have a problem.

btw, it was late when i posted and made an error with the amount the BKL slipped, it was only about 5mm. re-cleaned and really tightened her down. the six base bolts should hold this steady, if it does not then BKL ain't right for this rifle.

since you know i won't try to tune it myself, can you recommend a tuner? not sure if PyramydAir will still do it, but i am uncertain about them. i'll look around.

thanks
-tony

[Magman116]

Tony,

I am sure others here are better to recommend a good tuner.  I do all my own work and am very picky about everything I do.  I figured If I want it how I want it to be then I need to do it myself.  Being a mechanical and electrical engineer, plus machinist, and part time gunsmith I was able to do it right. I have made some errors along the way, but nothing I couldn't deal with.  I can also see where the mechanics can be improved greatly, especially when it comes to trigger assemblies, but I won't go into any trigger mods as they are for the experienced only.

-Chris

[AticaJoe]

I'm new here and I guess this would be as good a place as any to start.
I bought a .177 Torpedo 100x from AGD back in april as an upgrade/replacement for my Quest. Nice upgrade. Powerful and once I got the hang of it--decently accurate. Nickle sized five shot groups at 25 yards using 10.3 JSB EXACT HEAVY. Like the fit and finish of this rifle too. But here's the bad part : spring failure at less than 800 rounds. I think it was doomed from the first shot because it dieseled/detonated for the first 25 to 30 shots---more than once bad enough to cause the cocking lever to disengage from its latch. I didnt make much of it at the time but hindsight says I should have exchanged it for another one. I filled out the form on the Hatsan USA website and will be sending it in shortly per Rick's instructions. I'm going to let this run its course and get back to everyone as to the outcome. From what I have read here there seems to be mixed feelings on this brand. Yes my rifle broke and I am disappointed but it will be how this is handled that will form my opinion about Hatsan. A spring failure seems to be out of the ordinary for them but maybe I'm wrong. According to Rick I will either have my gun repaired or get a new one that has been checked/tested. Wont know till they look at it. I think my issue was caused by improper lube during assembly. Once I put a few hundred pellets through the gun it calmed down and shot smooth and consistently AND it hit hard. We will see what the replacement or repair brings but I am hopeful it will work out fine. Spring failure aside I personally like everything about this rifle except the weight. Ten or so pounds with the scope is a bit much but if the tradeoff is an accurate and hard hitting rifle I'll take it.

[AD]

welcome, AticaJoe.

counting myself fortunate so far, as the biggest complaint i can muster is against the weird scope rail. your spring failure is alarming. sure hope Hatsan USA treats you right, along with other owners of various models.

yeah, a detonation that dislodges a latched cocking lever sounds pretty serious. dang.

i'll try the JSB's and the Beeman Kodiak, Magman116 used.

well, best for 'ya

-tony

[AD]

woohoo!, just put 50 rounds through her and the BKL has not budged!

[Nathan]

Here

http://www.airgunsofarizona.com/blog/

Nathan

[AirHunter4Ever]

Mine should have being here already, hopefully Monday,..Shadow tuned

Well, did you ever get your rifle ?  Results ?

[Nomadic Pirate]

not here yet,...will give a Review once I get some time with it.

[AD]

this is follow-up information on the Torpedo 100X (.177), after being tuned. Ed, GTA member (Shadow) performed the tune, and the firing cycle has improved by getting rid of the audible/tactile 'twang', and it's following vibration. the recoils have been dampened a great deal and it doesn't feel harsh or violent. smooth and solid firing. while trigger adjustments were not made, a polish was given to the main sears and lubed. the trigger action really improved compared to out-of-the-box, and overall...Shadow did a nice job, and i'm happy.

there is a drop-off in fps, pre and post 'tune'. this is disappointing...but i was warned about this possibility by Shadow. the sacrifice of 40 -50 fps for a smoother firing cycle is acceptable as this should yield better accuracy results over time. i've chrono numbers for the same pellets used in the pre-tune test, but take my word for it, the rifle shot faster before the tune. while the average fps dropped, so did the extreme spreads and standard deviations which means that it is more consistant compared to before the tune, which was not god-awful.

my expectations have been adjusted.

-tony

[leadslinger22]

Hi guys, i am new to GTA also and have had my hatsan 150 .22 cal underlever (kicks like a mule!).  I don't own a chrony yet so don't ask for fps but have tried several types of pellets in the lighter range 14.3gr-15.9 and have found the RWS meisterkulgeln to be the most exact to date.  I had several issues with the rifle, most of which i resolved reading threads posted here:

1. The trigger was very rough, but i took it apart and polished it and that ended most of the issues. i know there are other screws to modify the trigger but i don't know which they are or where to get them.
2. The so-called Picatinny rail was *(&^ to put a scope on.  i could not get the scope close enough to see out of clearly so i opted to have use the 11mm dovetail.
3. I have gotten 10 14.3gr crosman premier hollow points into a ragged 1/2" hole @ 10 yards sitting on a bench and using a small bag and often use .65" paintballs for target practice iron sights but once i add a scope the accuracy goes out the window.

I want to swap the spring for a gasram/nitro piston but don't know which would work in my rifle.  I have been reading up on other guns in the hatsan lineup but don't want to order the wrong part.  I know hope you guys will be kind enough to help me out with these minor details.