Terry Walters
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Everything posted by Terry Walters
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Forum members' new models: Let's see them.
Terry Walters replied to Paul Marsh's topic in All Things Model Flying
Great choice Tony. We had two ATC camps at RAF Topcliffe and had 4 and 6 hour flights in the navigational training Varsities. Fantastic - all up the East coast - Edinburgh, Aberdeen out to Sumburgh out over the Atlantic, back down to Belfast and return to Topcliffe. Small white 'picnic' boxes with cold meat pie , sandwiches , chocolate and an apple. Soup and coffee out of the huge thermos flasks. Laying down at the bomb aimer's window and map reading all the way not to mention the obligatory go in the co-pilot's seat! Happy days........... -
Super Scale de Havilland DH.89 Dragon Rapide
Terry Walters replied to Dom (Essential RC)'s topic in The Video Channel
Very nice indeed Trevor - most impressed - well done it's a lovely model. Terry -
I'll go for that Jon. How can I joint the two different metals? Clamps don't seem to work on flexipipe. I'll ring you later with a small shopping list and CC details! LOL! Terry
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Posted by Jon Harper - Laser Engines on 07/08/2016 15:00:10: In any event the inverted install looks like it might actually be ok, but if it were me I would go with the upright setup. The little exhaust you have there is what we used to supply with the engines back in the 80's. We replaced it with a bigger one as noise became more of an issue. I still think that a length of flexi pipe down the side of the fuz will be the best option Hi Jon, thanks for the quick response. Much appreciated. Now I know there's a good chance of the inverted working I keep that as a fall back position. I'll mount it upright (Putting the mid floor back in! LOL!) and try the flexipipe. Whether I drop it out the bottom or have a go at the horizontal external pipe is a bridge yet to be crossed. Can the length of the pipe affect revs if there's no expansion box? Cymaz - Hope Bodmin isn't too chocker this morning! Nice set up! Is that a 1/4 scale one. How do you join ali pipes? Terry
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Hi Jon - thanks for the response but don't you ever allow yourself a day off! LOL! Some rushed poor quality pics for which I apologise. Yes the 80 can be made to fit but it's how much cutting of the cowl and how the exhaust will exit and where. Mark hasn't let us know yet how he got on. This pic - standard upright fitting. Front view showing carb projection and the angle on the exhaust to provide clearance from the cowl top. Problem is how to provide for exhaust to open air through bottom of cowl? Silicone pipe? Flexible? Neither seem to last long in my limited experience. Upright fitting with small silencer that came with the Laser - I assume this was an original part option at the time? Bore is quite narrow but the silencer will fit. The small silencer/expansion box - Laser made? Inverted with small silencer - line on masking tape of front fus indicates height of fuel tank top when installed on fus floor. Pic below showing vulnerability of the carb when engine inverted Any suggestions that will help welcome. I do want to use the Laser but also want to keep cowl outline as far as possible. Thanks Terry
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Hi Mark, Any news on your first flight with the Laser 80 in place? I've been trying all sorts of options with my ASP FS70 and the Laser 80. I can mount the ASP upright but still have to cut the top of the cowl to ease for the header and then it's still a fight to get the down pipe and exhaust contained in the cowl. I ran the Laser with a flexible pipe and no silencer. It wasn't over loud but the exhaust note is harsher and not for me. So, latest is that I'm am going to put the Laser in inverted like you as I really want the Laser in there rather than the ASP. If you have any observations I would be happy to have them. I have cut a space for the tank to go on the fus floor and yet to fit the throttle servo. Terry
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Ok Jon, just showing my faith in British industry and your valiant efforts put me down for one! I think there is a market for an engine like this. Terry
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Jon - that sounds very nice and the throttling up is fine - quite scale really! Well caught Sir with the tacho! Doesn't seem to be any real problem. Any vibration issues with the long stroke? Terry
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That's all sounds good to me Jon. You should be re-branding as Laser-Green engines! LOL!
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Sounds like that might do very nicely for the sort of models I tend to fly these days. Again a response time of 2.5 seconds from idle to full wouldn't worry me. If as you say it would be shorter than the OS FS120 that's a bonus too. (Would that include the height of the silencer pot?) Low revs - large prop - all good. Efficiency/thrust does that mean it should use less glow fuel? I'm one the guys who wouldn't change to petrol for fuel saving because I just prefer the sound of FS glow engines but if I can use less glow fuel that's fine for me. Terry
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Sorry Brett - a sad loss to all. My condolences to you and your family. Terry
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AMAZING GIANT SCALE RARE BOULTON PAUL P.111 "YELLOW PERIL"
Terry Walters replied to peter coxon's topic in The Video Channel
Very nice Peter - thanks! -
Andy - if the crankcase is getting so hot could it be that you have a problem with the bearings or crankshaft end float? i.e. mechanical heat being generated rather than the product of combustion? Terry
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Hi Cymaz - I wouldn't bother with flaps - the WOT4 XL can be slowed down very nicely without flaps and haven't ever felt the need for them. I bought mine S/H as an empty damaged shell. Had a bit of work to do on it but it's now my favourite flyer. I used to have an ASP FS120 in it but couldn't get it to run reliably (turns out there's some internal damage!) and have replaced it with an OS FS120 lll pumped which is absolutely brilliant. The tank is now on the COG too so an extra benefit. Enjoy! Terry
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Posted by Mark a on 19/07/2016 21:51:07: Hi Terry I've mounted my Laser 80 inverted due it not fitting inside the cowl the other way up also had to turn the throttle servo 90 degrees to reach the new throttle rod position. I did fit a Saito 82 in at first and that would just about fit in the right way up but had to cut a hole in the side of the cowl for the exhaust knuckle.. Hoping to fly it this weekend so i'll let you know how it goes. Mark. Hi Mark, Thanks for your info - much appreciated. I particularly wanted to keep the engine upright but I'll be very interested to now how yours gets on. I've spent a couple of afternoons pondering this and I think I can get the Laser 80 in upright...but.... not with the standard silencer on and the carb needs to set on the angle. I've had an e-mail exchange with Jon at Laser - always helpful - to see if there are any probs in using a flexible pipe as the exhaust with or without a silencer. Jon's view is that a long enough pipe without a silencer would soften the exhaust note. I am going to try it out first in the next few days on an engine stand. We don't have a noise problem at our site at all except that the neighbours, a quarry, make more noise than we do LOL! If I'm not happy with it Jon sells an in-line silencer that will take the edge off it. Best of luck with your at the weekend - I may end up following you if I can't get my idea to work. Cheers Terry
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Wow! That's magnificent Tony.
