What Aircraft are you installing your DLE20
07-23-2014, 07:06 PM
#1577
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Agreed. I've never had to do that. I've had 20's in a lot of different planes from warbirds to aerobatics to civilians. My fave so far for the 20 is a kit built super skybolt. But never had to drill a hole for the carb.
07-23-2014, 07:58 PM
#1578
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If its a weak construction (thin lite ply, no corner reinforcement) hole or no hole it will be weak
A well made firewall will have no problem with a centre hole for the carb, remember to fuel proof it with epoxy and it will last forever
07-24-2014, 04:50 AM
#1581
Mount it to the best fit, leave about 1/4" space for the back of the carb, then move the cowl forward. That would be the safest move, if you have to open the firewall to slip the carb into it, then you will need to reinforce the firewall where the mounts bolt so it doesn't crack. A strip of plywood wider and longer than the mounts and epoxy those behind the firewall after you remove the T-nuts, then redrill and glue in the T-nuts, and attach the mounts. Make sure you have triangle stock in the corners and for extra strength epoxy in with some glass cloth, like that used for auto body work, a strip that extends at least an inch past in both directions will give your firewall good strength to have a large hole in it. The plywood strips will help spread the load and vibrations of the DLE across the firewall and not centered on the T-nuts like it would on thinner wood. 3/16" would suffice.
07-24-2014, 12:53 PM
#1583
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I have a DLE-20 sitting on my shelf looking for a home. Have considered a profile model, mainly a Red Wing 20cc Extra 330 Profile . Just wondering if anybody is flying this model with a DLE-20 and if so, your opinions. 
07-24-2014, 12:59 PM
#1584
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DLE 20RA in a Goldberg Super Chipmunk .60 size kit
This plane has 2-12oz. tanks. One for smoke oil and one for gas. It weighs in at 8.8 lbs. and balances out perfectly. I added flaps when building and she glides in nice and slow. I am still getting used to the flaps and the amount of throttle to land it. I am using the Sullivan Skywriter pump for smoke, flightpower voltage regulator, and running the whole system on 1 2550 mah 2s lipo. I am using the stock motor mount and the firewall is routed out so the carb sits partially into the firewall. I'll try to get some good video, right now I only have some cell phone footage. The first three flights were with an APC 16x8 prop and that worked well, motor turned 8500 rpm's. I did not like the plastic look so I went to the XOAR 16x8 and on take off she torques left real bad and only turns 8100 rpm's. The motor is rated at 9000 rpm's. I would like to stay with a wood prop and get rid of the torque on take off. And suggestions on a wood prop and size? I am guessing I was gonna try a 16x6 next.
Thanks,
Alvin
07-24-2014, 06:30 PM
#1585
Join Date: Jan 2007
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Hows about the Sig T-Clips 70 thats coming out for the DLE 20cc or ra??
It has similar specs as the Revolver but lighter and more wing area.
Thoughts??
It has similar specs as the Revolver but lighter and more wing area.
Thoughts??
Last edited by Bcolici; 07-24-2014 at 06:39 PM.
07-24-2014, 06:54 PM
#1586
Lifer, those numbers add a lot to your posted info.
drube, yes your wing area is helpful to.
I used to fly a GP Giles 202 a lot. It was 72in ws 12.5 lbs and 970 square inches. I flew it with a pumped Super Tiger 2300 glow (1.4 cu in). The ST swung a 17x6 APC at 11k so the performance was good but the high wing loading made it a handfull. Many of those were flown at our field (mostly Moki 1.35s). That high wing loading resulted in a short life for most of them.
drube, yes your wing area is helpful to.
I used to fly a GP Giles 202 a lot. It was 72in ws 12.5 lbs and 970 square inches. I flew it with a pumped Super Tiger 2300 glow (1.4 cu in). The ST swung a 17x6 APC at 11k so the performance was good but the high wing loading made it a handfull. Many of those were flown at our field (mostly Moki 1.35s). That high wing loading resulted in a short life for most of them.
07-25-2014, 03:40 AM
#1587
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Regarding the T-Clip w/Dle 20, I guess it would depend on what kind of plane you're looking for? At under 8lbs, it would certainly not be lacking for power, and it has plenty of square inches to let it float around when slowed down. I guess my biggest concern would be regarding the structure, whether it could handle being slung around like a 20cc engine might allow (thinking terrier w/rag doll here)? If you could keep the wing on it, might make an awesome combo for the right kind of flying - like one who's looking at a Decathlon might expect? As in might be a handful for some pilots....a joy for others? At the very least, I would expect you'll likely be using the rudder, a lot!
Last edited by ahicks; 07-25-2014 at 03:45 AM.
07-26-2014, 03:32 AM
#1591
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Had crazy power with a 30cc DLE Funtana I was flying for a while. While it was fun to watch it accelerate vertically like it was slung by a sling shot, it did get pretty old after a while. The only time you could use full power was when it was on an up line! A buddy actually blew the wings off his in level flight screwing around chasing another buddy.
Then the 20cc DLE came out, and somebody put one of those in a Funtana. Turned out to be perfect power. Noticeably lighter handling, much more manageable, and WAY more FUN to fly.
Point being, there is such a thing as too much power for some of us? FWIW, -Al
Then the 20cc DLE came out, and somebody put one of those in a Funtana. Turned out to be perfect power. Noticeably lighter handling, much more manageable, and WAY more FUN to fly.
Point being, there is such a thing as too much power for some of us? FWIW, -Al
07-26-2014, 04:18 AM
#1592
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Of course. I think maybe one or two more CC's and that's about where the skybolt is. I'm scared to open it up in level flight for fear of the wings departing the fuse. It never gets old though to see the guys faces when I take off in about six inches and and point it towards the sky and watch it disappear.
07-27-2014, 09:48 AM
#1593
Had crazy power with a 30cc DLE Funtana I was flying for a while. While it was fun to watch it accelerate vertically like it was slung by a sling shot, it did get pretty old after a while. The only time you could use full power was when it was on an up line! A buddy actually blew the wings off his in level flight screwing around chasing another buddy.
Then the 20cc DLE came out, and somebody put one of those in a Funtana. Turned out to be perfect power. Noticeably lighter handling, much more manageable, and WAY more FUN to fly.
Point being, there is such a thing as too much power for some of us? FWIW, -Al
Then the 20cc DLE came out, and somebody put one of those in a Funtana. Turned out to be perfect power. Noticeably lighter handling, much more manageable, and WAY more FUN to fly.
Point being, there is such a thing as too much power for some of us? FWIW, -Al
07-27-2014, 11:03 AM
#1594
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How do you like your syssa? Todd Syssa is a friend of mine who I fly with at my club. I have one and love it. The V2 is coming out in probably a month or two and is supposed to be well improved. I'm looking forward to it.mine makes oodles of power for a 30 cc.
07-27-2014, 11:11 AM
#1595
I upgraded the carb on my syssa this summer, and now can activate the chock like I wanted to. Engine runs great. I am a happy customer and have ordered several items since getting my engine about 4-5 years ago. Initial wait period was really a long time, but well worth it. Currently, ordering additional items is really quick and the products are very good. Thank Todd for me next time you fly with him.
07-27-2014, 11:15 AM
#1596
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Will do. I'll also report back about any differences between V1 and V2. A few years ago it was just Todd working and so it took a while longer. He now has some employees and has really come a long way. He's also talking about making different sizes as well as a 60 CC twin.
07-28-2014, 05:58 AM
#1597
I was considering a Magnum 91 on mine when it comes in, but I think that would be too much for it. It's rated for a .53-.65 4 stroke. I am thinking of maybe an Evolution 15 on it when it arrives. I have a DLE20 in my 4*120 and now that it is broken in, pulls the 120 Very nicely through a rolling vertical, and flatout screams by at full throttle. I think the DLE20 would be a bit too much for the T-clips though.
