This 3.5” FPV Drone Hits Hard Under 250g

Published at : 23 Dec 2025

I’ve designed several frames, but the AeroBat Astrae is the first I’m confident sharing with a wider audience. Weeks of testing and refinement went into this design, and I’m proud of what it brings to the FPV community.

🔗If you wanna pick one up for yourself click the link here:

👉https://www.etsy.com/shop/GRKDesigngroup?ref=shop-header-name&listing_id=4388696975&from_page=listing&section_id=55964902

📸Follow my insta for more frequent updates:

👉https://www.instagram.com/aerobat.fpv?igsh=dWNneWVzcjhxd3Aw&utm_source=qr

⚙️Here is a list of links to all of the parts used in this video:
Flight Stack: (Frequently sold out, I would check AliExpress for deals)
https://www.mepsking.shop/speedybee-f405-mini-bls-35a-20x20-stack.html?srsltid=AfmBOordoRweo85UbVXpm7K4AJMOpJeFbvxsPByG-4kIdX3ygdpjgo0n
Video System:
https://caddxfpv.com/products/walksnail-avatar-hd-nano-kit-v3
Motors:
https://www.aliexpress.us/item/3256805035220772.html?src=google&pdp_npi=4%40dis%21USD%2159.92%2130.74%21%21%21%21%21%40%2112000032242297378%21ppc%21%21%21&src=google&albch=shopping&acnt=231-612-1468&isdl=y&slnk=&plac=&mtctp=&albbt=Google_7_shopping&aff_platform=google&aff_short_key=_oFgTQeV&gclsrc=aw.ds&albagn=888888&ds_e_adid=&ds_e_matchtype=&ds_e_device=c&ds_e_network=x&ds_e_product_group_id=&ds_e_product_id=en3256805035220772&ds_e_product_merchant_id=441440920&ds_e_product_country=US&ds_e_product_language=en&ds_e_product_channel=online&ds_e_product_store_id=&ds_url_v=2&albcp=22977867118&albag=&isSmbAutoCall=false&needSmbHouyi=false&gad_source=1&gad_campaignid=22973747411&gbraid=0AAAABBR8kP33u4iinAbu4FgOgHQfLLU-3&gclid=Cj0KCQiAxonKBhC1ARIsAIHq_lubQ8PrtlEHKXmfNCY3CbMSQd_aeqExSbGzpMJv47A0l0tGBMeW0EgaAussEALw_wcB&gatewayAdapt=glo2usa
650mah 4S Battery:
https://www.amazon.com/dp/B07219QLWG?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
850mah 4S Battery:
https://www.amazon.com/TATTU-R-Line-850mAh-Battery-Multirotor/dp/B07DNSRP5W/ref=sr_1_1?dib=eyJ2IjoiMSJ9.i870jxvjhOXfnXYqY9YlJOg_PZT6kzjkxqSFJPn6qORRq0nKC8ohtwc3o4XFJU9RPT5_eaLhS0Ei7dxEZm1xLSIgkYTRjnUQ0labcQ62f_URGkImfpnyNdYNYhrNjl1ZEWYDT0GhaI3826eWNLpXTuhS-GXvTDEEhPnLA-Lw8yjSrCHDLYhJkuea0-uNquPkScT4H4B60FwFBf-BjiuvES8JFd9GTPdcLMs1eZzu3dZnQSMAkGdYzhJG_jJ1GezDTnsEUYw8gj3wmGPhiwx5-Erfwo_GW5JaryIdceyIdlg.dlrB87t9LoFCpV-pnq2tcgUJFXliJyzz1Q1NBmBa278&dib_tag=se&keywords=850mah%2B4s%2Btattu&qid=1765990276&sr=8-1&th=1
RP1 Receiver:
https://www.amazon.com/RadioMaster-Receiver-ExpressLRS-Antenna-Transmitter/dp/B0BZY2M4BS
Battery Strap:
https://www.amazon.com/gp/product/B09XMVVRH8/ref=ox_sc_act_title_2?smid=A3FRNP9F0GSC9I&psc=1
Propellers:
https://www.getfpv.com/gemfan-hurricane-3630-3-blade-propeller-w-adapters-set-of-4.html?vid=17781&gc_id=21805212387&g_special_campaign=true&gad_source=1&gad_campaignid=21805212387&gbraid=0AAAAAD8cN5KjtrdxTdcGal8lSu0yV6QJg&gclid=Cj0KCQiAxonKBhC1ARIsAIHq_lvg-mvYX1_-c6eE6KRoO0VLdEoDTYTVPmbOPKQT9FaopvjcbiFBc1IaAmpWEALw_wcB
M2 Kit (up to 20mm)
https://www.amazon.com/dp/B0DDY2L533?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
M2x25mm Socket Head Screws:
https://www.amazon.com/uxcell-M2x25mm-Alloy-Socket-Machine/dp/B01AXVSC46/ref=sr_1_3?crid=SN8OYXGGPZPL&dib=eyJ2IjoiMSJ9.aoXXjD5WU8x_5-U9XzwRJcL5YWg9uSLwgZOiEaMyX98uxGdfivv7NtbPGECb2jN6yZDUBE-0neknye6fsgQ0aInz7kkGJqpa2zXQvHJHeysn5mXn7TP7YHJcEHeWKyflxJiFJkHAzPXSp7oXhnB8lyN9mMgnz5tUqIJYL4_JggIXhDBt0eFIfgGzKfkfoJEFW9lsmRBx69pZD4UmShMqJ6lOSp_5KbJYdmiadi7Umzs.GCVkSUoKV1lVODP2otxMA3oZBjA0NGKQ0Lt5RueVK4w&dib_tag=se&keywords=m2%2B25mm&qid=1765991311&sprefix=m2%2B25mm%2Caps%2C119&sr=8-3&th=1

If you need any help feel free to reach out on Insta!