[Airsoft] Silverback SRS-A1 ELR 150meter (164yards) target shooting test / SRS-A1 極大射程測試

  Рет қаралды 9,226

K.L. precision

K.L. precision

4 жыл бұрын

此次 ELR 射擊原為本團的例行練習,目標是完成 150m 觀測與歸零。後來因為歸零狀況良好(僅花一個彈匣即完成),我們決定啟動攝影機看看能否拍攝到命中標靶的一瞬間。
當日人員並不完整,僅達最低出勤務標準。三位主要觀測手一個都沒來!!攝影師還缺少一位所以沒能完成 DJI 空拍影片。
本次採用的射擊槍 SRS-A1 經過細膩的調整,能在 100 米外仍有良好的彈道重疊度,是本次達成目標關鍵之一。
ELR = Extreme Long Range
真鐵 ELR 概念影片可參考: • 2 Mile Triumph | Gunwe...
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[故事背景]
2016 年完成了 90,100,110,120 米的人形靶射擊。
2018 年與樹人九分醉完成 130 米射擊,與麗湖 140 米射擊。
2019 年目標即為 150 米。
2019 年八月我們安排了兩次出勤,但因為重點團員有事情無法成行。
九月時場勘過一次,隔週成功出勤,重點人員全到齊。當天人跟裝備都到場地了,結果大雨下不停,只能取消活動,相當婉惜。
十月十日的最終活動日為三天前臨時決定,許多重點人員未能出席 ,特別是觀測人員跟空拍師,但還是解開了成就。
[射擊細節]
當日缺少會正確讀取觀測鏡資訊的人,只能先請位朋友裝裝樣子 XD (ps.追蹤 BB ,讀秒,報米位偏差,以及風偏補償必須學過,才能發揮觀測手的功能)
因此我們重點放在靶旁的兩位 "靶前觀測手",需透過他們指示的落彈點進行補償。(ps. 真槍子彈可以觀察噴土,玩具槍不行,在欠缺觀測手的情況下只能這樣做)
射擊流程如下:
1.Elevation 校正 (1st mag.)
2.Wind Drift 校正 (1st mag.)
3.正式射擊 (2nd mag.)
由於地面雜草長太高,無法正確瞄準,並且彈道會受到雜草阻擾,原定的臥射姿勢無法實現,最後改用大型碳纖三腳架射擊。
Elevation 校正:活動前有先 pre-zero 至 140m,印象中只花了五發,靶前人員即順利找到落點並回報。附帶一提,Vortex Razor hd 狙擊鏡 Elevation 轉輪 Up 幾乎用完,剩下的由 Heritage-Arms M.O.A.B. 補償。這部分很快就完成。
Wind Drift 校正:當日的風向主要為左側風 (Left cross wind),強弱有變化但不會太大。我們用狙擊鏡側轉輪修正了大環境的 Global drift,確認 POI 出現在靶的左右兩側的機率大約相等即停止歸零。這部分大約花了 15-20 發進行校正,但過程中沒有任何一發命中標靶,但落點都在附近。
正式射擊:此時換上了新的彈匣。
射擊方式為根據前一發落彈點進行 Holdover 補償,兩發修正一次,並觀測風偏條微修正。150m 的長距離,風向風速若有一點改變,Drift 量就會有好幾個身寬的程度,因此必須在短時間內風場沒能改變太多的情況下連續出擊才有機會命中目標。由影片中可以看出,POI 與風偏飄帶方向有相當程度的關聯性,不過我並沒有過於參考風飄帶 (沒正式觀測手協助,資訊掌握怕有問題),主要仍仰賴 POI 補償方式。依照此方法,最終花了 12 發命中目標。
POI map: drive.google.com/file/d/1SFXx...
由 POI map 跟環境風對照著看,可看出第 7,8,9,11 發具有相同的落點,證明射擊系統具有很好的精度。另外,透落兩位網友 (Daiki Ishioka 跟 Li) 的 3D 建模分析,BB 撞擊時的入射角度約在 30-35 度之間。BB 飛行時間約為 4.1 秒 (影片驗證),撞擊殘速剩下 15-18m/s (理論計算)。最後幾發的 Elevation 差異收在一公尺之內。
整個活動在 1.5 小時內完成 (裝備架設,射擊,撤收都是半小時)。過程中無線電通聯發生了一次失誤,沒有大礙。比較可惜的是彈道攝影機達到了 10min 錄影上限,沒人幫忙繼續按錄影鍵,因此 miss 了擊中那一發的彈道狀況。
其它資訊請參考影片。
讓我們期待下次 160m 的射擊 (2021 年目標) 。
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This is one of the annual projects of Taiwan ELRPS (extreme long range and precision shooters) team. If you would like to see the BB dropping trace, please watch it in 4k mode very carefully.
Note:
1. The objective of our ELR events is to find the limit and potential of airsoft system.
2. This high power setting (4.8J) is only for long range target shooting, not for game. But this task/training does benefit to long range skills in game as well as airsoft hardware development.
3. Shooting a target placed over 130m is extremely hard and tricky. Only the people who have tried this before know that difficulty. It is not just lucky. You need to read the environment, make accurate spotting, estimate wind drift, make compensation, and most importantly, we need a stable and reliable shooting system. Everything is similar to firearms' long range shooting.
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Shooting system:
Silverback SRS-A1 with 20" Heavy barrel (cut from 22" bull barrel)
Inner barrel: PDI 6.05 cut to 500mm with re-CNC big window
Main spring: PDI SPR 250%
TNT Terminator + TR hop
W.A.S.P. with heavy sleeve, Gen2 cup
BB: BLS 0.48g (weighted)
Tripod system: Feisol 3372 + CB50 + RRS quick plate + RRS SRS-A1 CHASSIS PLATE
Scope: Vortex Razor HD 5-20x50 FFP
MOA Mount: Cold Shot M.O.A.B. 300
(Bunch of small modification for better accuracy)
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Spotting Optics:
Bushnell Elite Tactical LMSS 8-40x
Vortex Razor HD 16-48x
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Venue and environmental parameters:
150.3 meters (164.4 yards) from muzzle to target
Altitute: 13m to 13m, perfect horizontal (by Google Earth)
Air pressure: 1011-1012 hPa (near sea-level)
Relative humidity: 69%
Wind speed: 0.4 to 1.9m/s unstable
Temp.: 29.4 °c
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Camera:
GoPro Hero 7
GoPro Hero 2018
Sony A6400
Fujifilm XE-3 + 55-200mm
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Results:
Shot #12 hit the target.
BB flight time: 4.1 seconds.
Other details are shown in the video.
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ELRPS long range shooting rules:
1. Must aim the target by reticle through the rifle scope.
2. Never downward shooting.
3. Must report weather parameters (humidity, altitude, pressure, temperature, wind speed, etc)
4. Must shoot with support, such as bipod, tripod, or sandbag. No off-hand shooting. Prone shooting with support is most recommended.
5. There must be a spotter next to the shooter.
6. Must report the muzzle energy (velocity and bullet weight).
ELRPS Range definition:
1. Close range: 1-30m
2. Middle range: 30-60m
3. Long Range: 60m~110m (or BB flight time is 1.0 to 2.5 seconds)
4. Extreme Long Range: 110m~160m (or BB flight time is 2.5 to 5 seconds)
5. Ultra Long Range: beyond 160m (or BB flight time is over 5.0 seconds)
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Our team will challenge 160 meters in the near future, and produce a better quality video.
Taiwan Extreme Long Range Precision Shooters (ELRPS)

Пікірлер: 17
@Paiangan
@Paiangan 4 жыл бұрын
this is an experiment , but as almost of us airsoft player , this wasn´t any realistic shots because nobody will wait 4 seconds to be hit , and much more nobody will aloud a 4.8 joules gun. However congratulation for the experiment .
@s3eliu
@s3eliu 4 жыл бұрын
Yes, this is not for game, just for experiment and target shooting :)
@user-wp4yu7rf1w
@user-wp4yu7rf1w 3 жыл бұрын
incredibly long range. wow
@GrandadSniper
@GrandadSniper 4 жыл бұрын
Ah just seen it in the description 4.8j
@youngsmith5647
@youngsmith5647 4 жыл бұрын
难以置信的射击体验, 真正的ELR !
@s3eliu
@s3eliu 4 жыл бұрын
懂 ELR 玩法跟浪漫的人真的很少。不懂的人以為我只是在拋射碰運氣,殊不知背後要克服很多很難的細節。
@sillyduck1
@sillyduck1 Жыл бұрын
真是極限挑戰!好專業!
@dxmaxian
@dxmaxian 4 жыл бұрын
2:26秒處 這4.8J的動力也太好拉了吧,這是甚麼黑科技。
@s3eliu
@s3eliu 4 жыл бұрын
需要一股作氣拉。 然後動能高有一部分是因為活塞增壓 (活塞重量超過100g)
@GrandadSniper
@GrandadSniper 4 жыл бұрын
Amazing! how much joules?
@christophhaas5696
@christophhaas5696 4 жыл бұрын
4.8
@rdb9936
@rdb9936 Жыл бұрын
How do you set you hop for ELR? Flat trajectory and then hold over or overhop? If overhop, with rifle held horizontally how much does BB climb in metres to apex of trajectory? Thanks - impressive experiment!
@s3eliu
@s3eliu Жыл бұрын
Thanks for the professional response. 1. I used "slightly overhop setting" plus approximate 7 incline angle to hit 150m. 2. BB climbing hieght is roughly 13~15m.
@rdb9936
@rdb9936 Жыл бұрын
I notice you use 500mm barrel. Did you find this to be best length and more accurate than 430 (standard) or 300 (G spec)? Thanks
@superhero0001
@superhero0001 Жыл бұрын
很显然你朝一个目标射击几发 如果着弹点集中就行了。 视频测试的散布 就是真中了 也是蒙的
@s3eliu
@s3eliu Жыл бұрын
ELR 的世界就是這樣。包括真鐵在內,沒有辦法正確估計橫風造成的偏移量,有一定運氣成分在內。 另外,如果射擊系統的精度本身沒有先到位,也不知道怎麼補償,打一整天都打不到。
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