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Search: Posts Made By: Alex48
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Forum: RC Jets
08-12-2021, 04:23 AM
Replies: 17
Views: 2,394
Posted By Alex48

Hi guys, thanks for all the comments, we'll get...

Hi guys, thanks for all the comments, we'll get there eventually and hopefully have some fun along the way :)

The single ski was developed due to the huge vibrations evident in the twin ski...
Forum: RC Jets
08-09-2021, 03:06 AM
Replies: 17
Views: 2,394
Posted By Alex48

I do agree regarding the CFD... but with the...

I do agree regarding the CFD... but with the hydrodynamics already tested in the real world and our data from these tests giving a clear direction I just don't see the benefit. I will of course keep...
Forum: RC Jets
08-08-2021, 01:02 AM
Replies: 17
Views: 2,394
Posted By Alex48

Hi Guys, Thanks for the comments, I really...

Hi Guys,

Thanks for the comments, I really enjoy the theoretical side of this project and it's good fun overcoming the inevitable challenges we face.

I do like those actuators but it would...
Forum: RC Jets
08-07-2021, 07:31 AM
Replies: 17
Views: 2,394
Posted By Alex48

We're using pneumatics to control the oleos with...

We're using pneumatics to control the oleos with a large volume at high pressure, they are either retracted or extended, there is no proportional control. It has crossed my mind to have them...
Forum: RC Jets
08-07-2021, 07:08 AM
Replies: 17
Views: 2,394
Posted By Alex48

The changes we talk about in the video are all...

The changes we talk about in the video are all data driven. We have huge amounts of data from each run that took a good week to sift through but the direction was clear. With the skis at an angle of...
Forum: RC Jets
01-23-2021, 09:23 AM
Replies: 396
Views: 96,459
Posted By Alex48

Hi all, After many emails and messages...

Hi all,

After many emails and messages asking for video we have finally put together some footage of our first test taken back in September 2020 with Dave Wilshere at the controls (Thanks Dave)....
Forum: RC Jets
11-17-2020, 06:39 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks for the kind words and suggestions guys....

Thanks for the kind words and suggestions guys. :) There is a small section on our website about the aircraft history and a video filmed at the time of its development which is interesting (to me at...
Forum: RC Jets
11-10-2020, 05:13 AM
Replies: 396
Views: 96,459
Posted By Alex48

I'm very much looking forward to the next set of...

I'm very much looking forward to the next set of tests. :) A few pictures from the first test with Dave at the controls, thanks Dave.

The model coasting out for the first time on one engine as the...
Forum: RC Jets
11-09-2020, 03:56 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks Paul, although I'll only ever be happy...

Thanks Paul, although I'll only ever be happy once its flown successfully but I'll take this for the time being. The water temperature must have been at least 4 degrees! tropical for the UK... :) at...
Forum: RC Jets
11-09-2020, 02:41 AM
Replies: 396
Views: 96,459
Posted By Alex48

The moment I’ve been most looking forward to for...

The moment I’ve been most looking forward to for years is getting the model in the water for the first time. There are so many possible problems that we’ve had to overcome purely in a theoretically...
Forum: RC Jets
11-08-2020, 03:16 AM
Replies: 396
Views: 96,459
Posted By Alex48

The other area for concern has been the CG, I had...

The other area for concern has been the CG, I had been keeping a basic weight and balance sheet incorporating all the components. This had been suggesting we were getting tail heavy and the model...
Forum: RC Jets
11-07-2020, 05:10 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks guys... I'm not going to be able to put...

Thanks guys... I'm not going to be able to put off the flying bit for much longer :)



Phil from Fighteraces sent me a short video he took on his phone of the engine runs, Phil you need to get...
Forum: RC Jets
11-06-2020, 03:06 AM
Replies: 396
Views: 96,459
Posted By Alex48

With the model ready for the initial engine runs...

With the model ready for the initial engine runs we took it the BMFA at Buckminster. Phil and Graham from FighterAces came down to help as it needs three people to safely handle the model. Phil has...
Forum: RC Jets
11-05-2020, 06:48 AM
Replies: 396
Views: 96,459
Posted By Alex48

I managed to finish the last of the installation...

I managed to finish the last of the installation on the electrics and engines before doing the first few engine runs. I always get excited seeing a model come alive for the first time. I was...
Forum: RC Jets
11-03-2020, 06:08 AM
Replies: 396
Views: 96,459
Posted By Alex48

Apologies for not updating this sooner, due to...

Apologies for not updating this sooner, due to the tightening of restrictions here in the UK we could no longer carry out any testing, therefore we shifted focus to our other projects. I’ll...
Forum: RC Jets
09-25-2020, 05:04 AM
Replies: 396
Views: 96,459
Posted By Alex48

Just some images of the beaching gear coming...

Just some images of the beaching gear coming together.



<a data-flickr-embed="true" href="https://www.flickr.com/photos/tljc/50382495742/in/photostream/"...
Forum: RC Jets
09-24-2020, 06:13 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks guys, We did consider just testing in...

Thanks guys, We did consider just testing in primer although much of the work is in the surface prep and primer so it wasn't a huge leap to then paint. It's also a relatively high risk project so to...
Forum: RC Jets
09-23-2020, 12:36 AM
Replies: 396
Views: 96,459
Posted By Alex48

No worries Gary :) I’ve been putting...

No worries Gary :)



I’ve been putting off doing the Pitot for ages as it was one of those jobs that had the potential to cause some damage if I got it wrong. I started by making a hole in the...
Forum: RC Jets
09-22-2020, 01:09 AM
Replies: 396
Views: 96,459
Posted By Alex48

Hi Tassos, Thanks, if there is one...

Hi Tassos,



Thanks, if there is one thing that I have learnt in my career in aviation is that you should never assume you know best! :) The day you think you know it all is the day that you...
Forum: RC Jets
09-18-2020, 01:15 AM
Replies: 396
Views: 96,459
Posted By Alex48

Hi Tassos, Thanks… We're really excited...

Hi Tassos,

Thanks… We're really excited about our 105 especially with the scale going to 1/5th after all our wind tunnel testing :) We have two large projects we are working flat out to finish...
Forum: RC Jets
09-17-2020, 02:25 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks :) I just hope it will fly! Im certain we...

Thanks :) I just hope it will fly! Im certain we can make a great looking static model, happy we can get it working as an RC boat, reasonable sure it will be OK as a hydra-ski, but the flying part is...
Forum: RC Jets
09-16-2020, 01:29 AM
Replies: 396
Views: 96,459
Posted By Alex48

The tail wheel on the SeaDart was a castor so it...

The tail wheel on the SeaDart was a castor so it could be easily manoeuvred by ground crew while on its beaching gear. I decided to make a fixed version as this could be easily integrated into the...
Forum: RC Jets
09-14-2020, 01:29 AM
Replies: 396
Views: 96,459
Posted By Alex48

Thanks, its getting there... :) The intakes...

Thanks, its getting there... :)

The intakes have been causing me a headache as they are very difficult to remove. They also require the turbines to be removed which very quickly got on my...
Forum: RC Jets
09-11-2020, 02:12 AM
Replies: 396
Views: 96,459
Posted By Alex48

With the fuselage split I can get on with what...

With the fuselage split I can get on with what seems to be a never ending list of jobs for the back end. Starting with the auxiliary air intakes. These are prototypical in that they do feed into...
Forum: RC Jets
09-10-2020, 12:11 AM
Replies: 396
Views: 96,459
Posted By Alex48

With all the electrics in the aft section tested...

With all the electrics in the aft section tested and working as planned I can make things a little neater. In the electronics box just forward of the hoist point we have a Jeti REX7A receiver, after...
Showing results 1 to 25 of 500
 


 
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