Search found 75 matches

by JfromJAGs
Fri Sep 07, 2018 7:37 pm
Forum: Bluebird Rebuild
Topic: Donald Campbell's restored Bluebird in museum home row
Replies: 624
Views: 148880

Re: Donald Campbell's restored Bluebird in museum home row

Ernie, may I ask why you think this is your business?

Joerg
by JfromJAGs
Wed Sep 05, 2018 7:05 pm
Forum: Bluebird Rebuild
Topic: Tales from The Cockpit
Replies: 31
Views: 11781

Re: Tales from The Cockpit

There's two effects from the spinning engine. One is the precession of the rotatives such that a right hand input will cause the nose to rise and vice-versa. The other is the torque reaction - the compressor spins one way so it wants to rotate the boat around it in the other direction. Hi Bill, Joe...
by JfromJAGs
Mon Aug 20, 2018 12:38 am
Forum: Bluebird Rebuild
Topic: Isle of Bute
Replies: 237
Views: 91563

Re: Isle of Bute

"The Germans" made it back home safely. Thanks to Bill and his team for letting us all be so close to the team practice. Even though it took its time, its a great archivement to restore the wreck it was to the famous, better than new Bluebird and bring her back on the water - and not only that, but ...
by JfromJAGs
Sun Oct 02, 2016 6:24 pm
Forum: Bluebird Rebuild
Topic: Other Speed Record Breakers Are Available!
Replies: 1086
Views: 418825

Re: Other Speed Record Breakers Are Available!

How do you make sure it goes in a straight line? Well, thats one of the more difficult questions. First the boat has a rudder just besides the prop, so this counterreacts the prop walk (mostly). Then the driveline is offset to the right to counterreact motor torque. In my case the torque was bigger...
by JfromJAGs
Sat Oct 01, 2016 6:41 pm
Forum: Bluebird Rebuild
Topic: Other Speed Record Breakers Are Available!
Replies: 1086
Views: 418825

Re: Other Speed Record Breakers Are Available!

This is only toy boats, but maybe you guys are interrested in whatching a toy boat go fast: dm4iBEsPfko This was a pass of 298,6 kph running a brushless motor on 8s LiPo batteries at 64 krpm, about 17kW of acceleration power, 9.5kW flat out. Boat weight is about 3.4kg. Two way average was 285 kph on...