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Search: Posts Made By: Dave Wilshere
Showing results 1 to 25 of 60
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Forum: RC Jets
09-10-2023, 10:34 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Looks amazing

Looks amazing
Forum: RC Jets
10-22-2021, 10:31 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Paul We are all gutted for you, but at least...

Paul

We are all gutted for you, but at least you found the very likely cause. I’m surprised handling the wing did not exhibit a ‘drum’ sound. I twist and flex even well known manufacturers wings...
Forum: RC Jets
10-21-2021, 09:06 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Something definitely failed, it was travelling...

Something definitely failed, it was travelling too fast based on what you are describing the handling like. My first thought is to do with control surfaces.
Forum: RC Jets
10-17-2021, 09:02 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Looks great with a significant weight saving 👍 ...

Looks great with a significant weight saving 👍
Have you done a simple suspension test to see how bad the lateral in balance really is.1.5lb at the main wheels is significant.

Dave
Forum: RC Jets
02-17-2021, 09:57 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Obviously missed that! With Matthew flying it?

Obviously missed that! With Matthew flying it?
Forum: RC Jets
02-17-2021, 01:14 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

I was thinking more linkage/hinge failure. ...

I was thinking more linkage/hinge failure.

Look at the DerJet Vampire ( there are other aircraft done the same way) that has blade spars bolted to loop formers. These formers take the bending...
Forum: RC Jets
02-17-2021, 10:52 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Structural failure. No stall!

Structural failure. No stall!
Forum: RC Jets
02-09-2021, 10:08 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Duke The SM ‘semi scale’ first kit was...

Duke

The SM ‘semi scale’ first kit was almost certainly due to the reduced distance vertical separation between wing and tail. Reducing the flap angle to around 35 degrees made that...
Forum: RC Jets
02-09-2021, 01:23 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

You are still quoting torque at 0-1cm arm radius...

You are still quoting torque at 0-1cm arm radius on the servo? Also anyone actually tested a 777+ to see what torque it really produces? Most servos don’t match the ‘lab’ figures. I’m very much “ you...
Forum: RC Jets
02-09-2021, 11:58 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Paul You are calculating at the neutral...

Paul

You are calculating at the neutral point, so holding power. Have you calculated it at full up? The leverage is reducing just when the load is greatest?

Dave
Forum: RC Jets
02-08-2021, 02:56 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Yes, I meant to say that too. 2-3sec Max!

Yes, I meant to say that too. 2-3sec Max!
Forum: RC Jets
02-08-2021, 01:53 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Paul Did your calculations occur with the...

Paul

Did your calculations occur with the pushrod angle shown? Or at 90 degrees to the plate?

Dave
Forum: RC Jets
02-08-2021, 11:42 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

A side mounted set up is not good for a stable...

A side mounted set up is not good for a stable base either way.
Forum: RC Jets
02-08-2021, 10:26 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

What length of servo arm on the tail servo? Servo...

What length of servo arm on the tail servo? Servo torque is always at 1cm...even if a servo actually produces the stated torque. We are finding servos now measured at the spline too.
(Ok, I have...
Forum: RC Jets
01-13-2021, 09:51 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

As has been said already a 20 second buff with a...

As has been said already a 20 second buff with a BVM type scuff board (80grit nail file!) Takes the sheen off and gets to a layer below the gloss to react with. I do this with every composite joint,...
Forum: RC Jets
01-12-2021, 06:36 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Like he said...

Like he said...
Forum: RC Jets
01-12-2021, 04:14 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

If you don’t sand the surface the ‘wax’ excreted...

If you don’t sand the surface the ‘wax’ excreted as the epoxy sets will stop the bond really taking, texture or not. Where a model had wood work installed in the mould before curing you won’t see...
Forum: RC Jets
12-12-2020, 10:20 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Maybe run the pipes outside of the fuselage on a...

Maybe run the pipes outside of the fuselage on a rig and see the temps at that joint...
Forum: RC Jets
12-11-2020, 11:50 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Wow, that looks like a tonne of work! Are you...

Wow, that looks like a tonne of work! Are you able to add some more heat protection at the angle change?

Dave
Forum: RC Jets
11-03-2020, 11:26 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

He will tell you all the things that are wrong...

He will tell you all the things that are wrong about the set up...
Forum: RC Jets
09-27-2020, 12:42 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Just a lot of Festo connectors and the plate. My...

Just a lot of Festo connectors and the plate. My usual whine about all the ‘weight nothing’ adding at to a something 😉
Forum: RC Jets
09-26-2020, 10:05 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Paul, looks neat...but do you think you could add...

Paul, looks neat...but do you think you could add anymore joints/weight to the fuel system 😉

Dave
Forum: RC Jets
08-26-2020, 01:35 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

What do you guys eat out there😉 super talented...

What do you guys eat out there😉 super talented club.
Forum: RC Jets
08-24-2020, 02:11 PM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Heat shrink is sold in different reduction %...

Heat shrink is sold in different reduction % Normally printed on the side, some shrink to 1/3 starting dia
Forum: RC Jets
06-30-2020, 11:01 AM
Replies: 746
Views: 177,867
Posted By Dave Wilshere

Looks amazing!

Looks amazing!
Showing results 1 to 25 of 60
 
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