Home>mall>Toys Hobbies & Robot
0已按讚

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

4.0
★★★★★
299
$120.99 /$147.61
  • *Name:

  • *Email:

  • *Phone:

  • *Quantity:

  • *Content:

  • Attachment:

    Supports JPG, JPEG, PNG, PDF, EXCEL, WORD, RAR, ZIP, 7z formats

$108.99 /$147.61

保證安全結帳

免費禮物
任何購買均可獲得免費禮物
運送政策
訂單超過$9.9免標準運費
退貨政策
退貨將在收到商品後40天內接受。 客製化商品不可退貨或換貨。 使用電子禮品卡購買的商品僅可換貨;不適用退款。

免費禮物

歡迎來到Roymall,您的專業購買高級百貨禮物的網站。我們非常重視並感謝您的支持,並希望通過為您的購買增添額外的驚喜來表達我們的感激之情。當您與我們一起購物時,您不僅可以享受提升生活品質的高品質產品,還可以在每次訂單中獲得獨家免費禮物。 準備好探索我們的收藏並找到您的完美禮物了嗎?瀏覽我們的高級百貨商品選擇,下訂單,並期待您的免費禮物與您的購買一起到來。

運送政策

我們將努力在收到您的訂單後將商品安全送達您手中。運送詳情將在您的確認郵件中提供。在大多數情況下,訂單將在2天內處理。在特殊情況下,可能會延遲如下:當您在週六、週日或公共假期下訂單時,將延遲2天。通常需要5-7個工作日(週一至週五),不受航班延誤或其他環境因素影響。由於我們的運送服務是全球性的,運送時間將取決於您的位置,因此可能需要幾天時間,如果您位於偏遠地區或國家,請耐心等待。

1. 退貨與換貨政策

我們僅接受在roymall.com購買的商品。如果您從我們的本地分銷商或其他零售商處購買,則無法在我們這裡退貨。 最終銷售商品或免費禮物不可退貨。要符合退貨條件,您的商品必須未使用且與收到時的狀態相同。還必須保留原始包裝。收到我們的退貨指示後,請將退貨商品打包並將包裹送至當地郵局或其他快遞服務。
我們將在收到退貨商品後3-5個工作日內處理您的退貨或換貨。退款將自動處理並記入您的原始付款方式。如果商品是根據訂製生產的,包括訂製尺寸、訂製顏色或訂製印刷,則不可退貨或換貨。需要更多幫助,請聯繫我們。 service@roymall.com 或 Whatsapp: +8619359849471

2.退款政策

在我們收到並確認退貨包裹後,您將獲得全額退款或100%商店信用。退款將自動處理並記入您的原始付款方式。 請注意,運費及任何關稅或費用不可退款。包裹發貨後,額外運費不可退款。您需負責支付這些費用,我們無法免除或退款,即使訂單被退回給我們。一旦我們收到並確認您的退貨商品,我們將向您發送電子郵件,通知您我們已收到您的退貨商品。我們還將通知您退款的批准或拒絕。如果您在退款過程中有任何問題,請聯繫我們。 service@roymall.com 或 Whatsapp: +8619359849471

Description:
This HX-15 Stirling helicopter engine model adopts a 16-cylinder swash plate Stirling cold and hot cylinder opposing structure. This cold cylinder and hot cylinder opposing structure is conducive to preventing heat conduction between cold and hot cylinders, improving the heat exchange capacity of the engine, keeping the temperature difference of the engine lasting, and making the output power more stable.
The use of glass with a hardness exceeding that of metal as the cylinder piston reduces the weight of the piston, improves the sealing and wear resistance of the cylinder piston, and is not easy to damage the surface due to high-speed operation, and will not rust, and is super hard and maintenance-free.
The power output transmission of this mechanical structure is also very intuitive. The movement direction of the piston of the opposing cylinder, the two circular gears change the speed ratio, and the four bevel gears change the power output direction by 90u00b0, and transmit the power to the main propeller of the helicopter and the small propeller at the tail, respectively, so that the mechanical structure is intuitively reflected.

Specification:
Product Model: HX-15
Product Name: Stirling Engine Helicopter Model Assembly Kit
Base Material: Black Walnut Solid Wood
Gear Material: Brass
Flywheel Material: Brass
Heated Red-Copper Material: 304 Stainless Steel
Piston Connecting Rod Material: 304 Stainless Steel
Body Material: 6061 Aluminum Alloy
Sleeve Outer Bright Material: 6061 Aluminum Alloy
Spiral Frame Material: 6061 Aluminum Alloy
Alcohol Lamp Material: 6061 Aluminum Alloy
Piston Material: Maintenance-Free Tempered Glass
Flywheel Diameter: 29.5mm
Belt Wheel Diameter: 8mm
Piston Diameter: 9mm
Heated Red-Copper Outer Diameter: 11.4mm
Product Size: 250*135*140mm
Net Weight: 400g
Total Weight with Packaging: 550g

Note:
1. Product data are all manually measured, there may be slight errors;
2. This product needs to be assembled by yourself.

Package included:
1x HX-15 Stirling Engine Helicopter Model Assembly Kit


HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

HX-15 Stirling Engine Helicopter Model Assembly Kit Physical Air Energy Combustion Engine with Black Walnut Solid Wood Base Technology Educational Creative Toys

我的購物車 購物車 (24)
我的收藏 我的收藏 (0)