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Member postings for Jon - Laser Engines

Here is a list of all the postings Jon - Laser Engines has made in our forums. Click on a thread name to jump to the thread.

Thread: Precedent Stampe 1/4 Scale
13/07/2018 08:29:31

how much wonga is he after?

Thread: How many do you have in stock?
13/07/2018 08:28:45
Posted by SR 71 on 13/07/2018 08:17:24:

The OP seems to have money to burn, cannot understand the need to have so many unstarted kits and projects, I usually have two ongoing scratch builds at one time, no kits, at the moment it's one A10 Thunder Bolt for twin turbines, and a 1/4 scale F104 Starfighter, that will be powered by the same two turbines

Forgive the smirk on my face, but anyone with two turbines really has money to burn! :P

David, you are far from alone. My list is:

Airworthy - Piper Tomahawk, Hurricane, La7, P39, Sea Fury, Pulse 125,1/4 Stampe, Nieuport 17, own design twin.

Kits/projects - DB Spitfire, DB Hurricane, 1/4 La7, 3x 1/4 Pups (dont ask), 1/4 Stampe, bf109, bf109 (smaller one), fw190, a6m zero, p51, p40, Yak3, 1/6 pup, Yak9, 1/6 nueuport 17, 1/6 fokker DR1.

Many of the kits i have are now out of production and/or i have got them at good prices. The stampe was bought to replace the currently airworthy one when it was damaged and i didnt know if i was going to fix it. The DB hurricane i have had for over 10 years im sure of it but its on hold as i dont have the powerplant i want for it just yet. I also dont crash too often so my turnover of models is low.

Thread: Holding Your Nose
12/07/2018 16:21:03

Its a pointless test that dates back to the early days. With modern engines that have considerably better fuel draw and/or are pressurised its really redundant.

Unless prop hanging its totally unrepresentative of conditions the model will see in flight. The engine will naturally go rich in flight due to unloading so its all good.

Just tune the engine for max revs and go fly.

The only time a nose up test is on any use is with a petrol engine as a nose up at idle can reveal an issue with the pump. That said, poor idle/starting and erratic running are symptoms more likely to catch the attention.

Thread: Fed Up!
12/07/2018 09:36:22

im just glad its over at this point. I couldnt take another rendition of the lightning seeds so i gave up on listening to the radio over a week ago and just used my own music collection to keep myself entertained.

Thread: P A W 35
10/07/2018 15:11:00

I was too hasty looking at the recommended props and 11x5 is small. 13x5 or 14x5 would be fine as Alan suggests.

10/07/2018 11:28:24

I would have thought something like an 11x5 prop would be nice. Large diameter for thrust but low pitch for a sedate top speed.

Thread: It's Too Darn Hot
08/07/2018 10:08:58

During the cold of winter we all complain, during the wet of spring we all complain, first decent summer in years and we all complain.

Cool pic though, at least in the shade!

Thread: Who Else Wants a 63" Lavochkin La7 kit?
08/07/2018 10:05:34

10.8lbs is pretty porky so if you can find some way of removing a little beef then that would be good. That said, the 80 with a 14x6 should be doing 9k plus and while you might not have much vertical due to the weight straight line speed should be good. In general our engines tend to give all they are going to more or less from the get go. Just forget the running in, thrash it to within an inch of its life. I promise you, you wont break it.

Flying style may also be a factor. With a heavy model it wont accelerate that quickly so if you are tight on your turns etc it will feel like its dragging its backside around with no real go. See what happens if you make really smooth/sweeping turns sacrificing height for speed and then turning speed into height to repeat the process. You will find that momentum is your friend and its a good thing to practice as the big Hurricane will need to be flown this way as well.

I also agree with Richards comment about the hot weather. My nieuport is like a pig on a skateboard when its really hot. It likes air so thick you can chew it!

07/07/2018 19:50:36

My Hurricane was 10lbs and was an over powered meteor with my laser 80 so im really surprised you are having trouble. Which prop are you swinging?

Thread: Powered by Laser, a gallery thread
06/07/2018 20:03:20

Is that a precedent bi-fly?

Thread: Are there any female members in your club?
06/07/2018 18:46:05
Posted by supertigrefan on 06/07/2018 16:03:06:

Why should this question even need to be presented?

Why should there be an incentive to encourage female (or any) members to join outside of members of school age?

If they show an interest and wish to join a club then great, I'm sure they will be welcomed and assisted as equally as any other new member, if not then crack on with whatever it is that does interest you.

I'm sick of all this preferential treatment to encourage members of society outside of the core majority. 30+ years in the Government\Public service has taught me that preferential treatment for anybody breeds nothing but mistrust, contempt and resentment. It's not a healthy solution.

With respect, this comment is spectacularly short sighted.

The op was asking a question, one that has now been discussed at length.

While I agree that there should be no split in fees between genders and that you cant make someone be interested in something they aren't I totally disagree that female and junior members should not be encouraged in some way. In the case of the ladies, the fact that this is perceived as a male sport may indeed be enough to put some of them off. I dont see why efforts to change the idea that model flying is a boys only club is a bad thing.

As for school kids, most of us I am sure were well into some sort of model construction by that age, be it airfix kits or balsa. The point I was trying to raise is that younger members are the long term future of the hobby and most of our clubs. I dread to think what the average age is for most clubs now.

Computer games are also not completely to blame, you cant play games for 8 hours straight if mummy takes the controller away (yes, I remember!), and the total nanny state preventing kids buying paint/glue because a handful of morons sniffed it is also a problem but one that is easy to overcome.

06/07/2018 13:28:00
Posted by kc on 06/07/2018 13:24:49:

We cannot have cheap 'social' members in our clubs because the BMFA requires 100 percent BMFA membership in it's member clubs which ups the price by the BMFA subs!

are you sure? we have social members. One chap who was a friend of a member even joined just to play with his rc car on our field. A bunch of us in the club had cars and we would play with them when noone was flying or it was blowing a gale.

If they dont fly then they certainly dont need any insurance.

06/07/2018 08:38:56

We have two i think. One doing caa drone stuff and the other learning to fly. The latter is transgender and legally a woman so is treated as such within the club.

The greater concern to me at the moment is we have no children in the club and that is not good looking forward

Thread: losing revs slowly at idle
05/07/2018 18:33:18

could be a number of things.

First off, which glowplug, fuel and prop are you using. Second, as it runs down does it do it smoothly or does it slowly stutter/stumble and cough itself to death.

Also, does it only do this just after startup or does it do it all the time, even after a blast at full power

Thread: expo for beginners yes or no ?
05/07/2018 09:46:21

I have one of those. Still on 35meg as well as i have a bunch of pcm rx's and they work fine. I also use an 8j for my 2.4ghz needs

Thread: Precedent Stampe 1/4 Scale
04/07/2018 23:27:03

yea you guys are safe. these are full size and should be good to watch. were it not for the logistical challenge we could offer to fly ours first, then they can show us how its really done!

04/07/2018 15:35:10

I got a notification from Shuttleworth on Facebook and apparently we have a booking. Check out the aircraft list for their August show

**LINK**

Thread: expo for beginners yes or no ?
04/07/2018 14:40:10
Posted by Lone_Wolf on 04/07/2018 14:23:08:

Thanks Jon I like the sound of that. I'll give it a try.

nice one, let us know how you get on.

04/07/2018 13:52:30

Im a thumb and finger man myself. I feel more in control of the model and feel i can be more accurate when i fly. I also find it handy when inverted as i position my finger so that the stick pinches it slightly. This reminds me which way the elevator has to go when i want to pull 'up'.

Personally not a fan of a neck strap though, i feel too confined for some reason and find it uncomfortable.

Wolf if you change your settings (not sure what you use now) you may find the model more responsive and yet it might also feel more solid and locked in.

If you want to try changing the setup i would start by working out roughly how much stick deflection you use in a roll (for example) and then land, measure the actual deflection of the control surface at that stick position and adjust the rates to give you that deflection at nearly full stick. Then wipe out all the expo and start again. You can do the same with elevator in say a loop or sharp pull up. I set up most of my models this way and my warbirds often need the elevator almost back to the stops to recover them from a loop. My La7 especially needs a firm yank as turbulent wash from the idling propeller on the loop downline takes a little of the efficiency off the elevator. I tend to sent ailerons to give me a scale roll rate and i then add 10% to that setting to give me a little more control. I then have a higher rate set for use if its a bit gusty on a cross wind landing and i need a little more power from the ailerons. That sort of thing.

Once its all reset fly it for 4 or 5 flights before you decide to add more expo or change something as it may take a little while to get used to the new feel of the model.

Im sure the other guys will have their own methods for setting up models but i find that the above works well for me. On the rare occasion i loan a model to someone they often comment on having to really move the controls around but they also comment on how precise the model feels so im pretty sure that means they liked it

Thread: What percentage of pilots fly Mode 1 in the UK?
04/07/2018 12:36:37

Nice history lesson Pete

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