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Transport Helicopter Engine Model Clildren Science Educational Toys

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$85.99 /$104.91

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$74.99 /$104.91

Nunua Sasa Ongeza kwa Cart

Kadi ya Mkopo au Debiti

Malipo Salama Yanahakikishiwa

Zawadi ya Bure

Zawadi ya bure kwa kila ununuzi

Sera ya Usafirishaji

Usafirishaji wa kawaida bila malipo kwa maagizo zaidi ya $9.9

Sera ya Kurudisha

Rudisha bidhaa zitakubaliwa ndani ya siku 40 tangu tarehe ya kupokea bidhaa. Bidhaa zilizobuniwa haziwezi kurudishwa au kubadilishwa. Bidhaa zilizonunuliwa na kadi ya zawadi ya elektroniki zinaweza kubadilishwa tu; rudi pesa haifai.

Zawadi ya Bure

Karibu Roymall, tovuti yako ya kitaalamu ya kununua zawadi za hifadhi ya duka. Tunathamini na kushukuru msaada wako, na tunataka kuonyesha shukrani yetu kwa kuongeza kipengele cha msisimko wa ziada kwa ununuzi wako. Unaponunua nasi, sio tu utapata bidhaa za hali ya juu zinazoboresha maisha yako, lakini utapata pia zawadi ya bure ya kipekee kwa kila agizo lako. Tayari kuchunguza mkusanyiko wetu na kupata zawadi zako kamili? Chunguza uteuzi wetu wa bidhaa za hifadhi ya duka, weka agizo lako na subiri msisimko wa zawadi yako ya bure kufika pamoja na ununuzi wako.

Sera ya Usafirishaji

Tutafanya kazi kwa bidii kukufikishia bidhaa baada ya kupokea maagizo yako na kuhakikisha zinafika salama. Maelezo ya uwasilishaji yatakuwemo kwenye barua pepe yako ya uthibitisho.Kwa hali ya kawaida, maagizo huchakatwa ndani ya siku 2. Katika hali maalum, yanaweza kucheleweshwa kama ifuatavyo: Unapoagiza Jumamosi, Jumapili au siku za likizo, itacheleweshwa kwa siku 2.Kwa kawaida, inahitaji siku 5-7 za kazi (Jumatatu hadi Ijumaa) bila kuathiriwa na ucheleweshaji wa ndege au mazingira mengine.Kwa sababu huduma yetu ya usafirishaji ni kimataifa, muda wa uwasilishaji utategemea eneo lako, kwa hivyo inaweza kuchukua muda na tafadhali subiri kwa subira ikiwa uko katika wilaya au nchi za mbali.

1. Sera ya Kurudisha na Kubadilisha

Tunakubali tu bidhaa zilizonunuliwa kutoka roymall.com. Ikiwa unanunua kutoka kwa wasambazaji wetu wa ndani au wauzaji wengine, huwezi kuzirudisha kwetu. Bidhaa za mauzo ya mwisho au zawadi za bure hazikubaliki kwa kurudisha.Ili kuwa na haki ya kurudisha, bidhaa yako lazima isitumike na iwe katika hali ileile uliyoipeleka. Pia lazima iwe kwenye pakiti ya asili.Baada ya kupokea maagizo ya kurudisha kutoka kwetu, tafadhali pakiti bidhaa zako zilizorudishwa na kuacha kifurushi chako kwenye ofisi ya posta ya ndani au mtoa huduma mwingine wa usafirishaji.
Tutachakata bidhaa yako ya kurudisha au kubadilisha ndani ya siku 3-5 za kazi baada ya kuipokea. Rudi pesa itachakatwa na kuwekwa kiotomatiki kwenye njia yako ya awali ya malipo.Hakuna kurudisha au kubadilisha kunaweza kukubaliwa ikiwa bidhaa ilitengenezwa kwa maagizo maalum, ikiwa ni pamoja na saizi maalum, rangi maalum au uchapishaji maalum.Ikiwa unahitaji msaada zaidi, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +8619359849471

2. Sera ya Kurudisha Pesa

Utapata rudi pesa kamili au stoo 100% ya stoo baada ya kupokea na kukagua kifurushi kilichorudishwa. Rudi pesa itachakatwa kiotomatiki kwenye njia yako ya awali ya malipo.Tafadhali kumbuka kuwa gharama za usafirishaji na ushuru wowote au ada hazirudishiwi. Gharama za ziada za usafirishaji hazirudishiwi mara tu kifurushi kimetumwa. Wewe ndiye mwenye jukumu la kulipa ada hizi na hatuwezi kuziacha au kuzirudisha, hata kama agizo litarudishwa kwetu.Mara tu tutakapopokea na kuthibitisha bidhaa yako iliyorudishwa, tutakutumia barua pepe kukujulisha kuwa tumepokea bidhaa yako. Pia tutakujulisha kuhusu uthibitisho au kukataliwa kwa rudi pesa yako.Ikiwa una shida yoyote kuhusu mchakato wa kurudisha pesa, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +8619359849471

Specification:

Item No.:318
Item Name: Transport Helicopter Engine Model
Outer diameter of cylinder: 36MM
Inner diameter of cylinder: 21MM
Length of cylinder: 51MM
Stroke: 27MM
Dimensions: 210MM long, 100MM wide (rotor folded), 140MM high
Packaging size: 190MM long, 110MM wide, 140MM high
Speed u200bu200brange: minimum 300, maximum 1000 (continuous operation time is 20 minutes)
Weight: Net weight 0.55KG, including packaging 0.6KG
Material of fuselage: anodized aluminum alloy, stainless steel
Accessory material: stainless steel, copper
Cylinder material: tin bronze
Rotor: stainless steel
Fuel: 95% alcohol
Cooling method: forced air cooling
Lubrication method: drip lubrication (add 0.5ml of the specified lubricating oil from the fire suction port with a syringe, add once at start-up, and add once every 20 minutes of operation)
Lubricating oil: special engine oil for Saihu model, kinematic viscosity (50u2103), mm2/s 6~10 GB/T265

Maintenance :

Maintenance without disassembly, use a syringe to add alcohol from the fire suction port, clean the cylinder with the waves flywheel and pour it out, clean it twice and add lubricating oil (note; the hot engine cannot be cleaned to avoid alcohol spraying and scalding)

Operation instructions:
1. Assemble the rotor, put the rotor into the main shaft and tighten the top screw,
2. Assemble the base foot cup
3. Add alcohol, tear off the seal of the alcohol lamp and add 95% concentration of alcohol, fill it to 3/2 of the alcohol lamp and cover the lamp cover.
4. Use a syringe to inhale the standard lubricating oil (the white bottled liquid in the package is lubricating oil) from the fire suction port, and add 2 to 4 drops from the fire suction port (new machines can also be filled 2 minutes after starting)
5. Light the alcohol lamp and turn the rotor clockwise to start.

Precautions:
1. This model is for people over 14 years old. After the model is started, the body parts must not touch the rotor.
2.This model is suitable for players with strong hands-on ability and requires certain usage skills. Players without hands-on ability should be careful to shoot.
3. The size is measured manually, so there may be some errors.

Package included:
1x Transport Helicopter Engine Model