Ariel 3 is seen with its four paddles extended.
NASA
<a rel="nofollow" class="external free" href="https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/644926/space-uk-issue-33.pdf">https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/644926/space-uk-issue-33.pdf</a>, page 26