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Hangar 9 30cc P-47 Build Thread

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Hangar 9 30cc P-47 Build Thread

Old 03-13-2013, 09:34 AM
  #576  
Zippi
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Default RE: Hangar 9 30cc P-47 Build Thread

curtusua-RCU,

Nice pics. What are you running on the business end and what size prop?
Old 03-13-2013, 09:47 AM
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Default RE: Hangar 9 30cc P-47 Build Thread


ORIGINAL: gade600sdi

Curt,

Just curious on your thoughts of using auxiliary power instead of powering the retracts through the Rx? Robart says you can do either in the instructions, but I was wondering the rationale behind either method.

Also, nice plane. 2 x 2100 mah batteries for the Rx? I was thinking of using one 6V Nimh 2700 mah for the Rx and power the retracts through the Rx also. I do like redundancy, but I usually reserve that for 50cc and greater planes with a 30cc size model I usually go with one pack and one switch for the Rx. My thought is to not overkill with weight an already fairly heavy bird, but maybe I need to rethink flaps, retracts, and smoke I may want the extra battery.

Nick,

I will post some pics, but if I go with the 55 I will pretty much copy what you did. I like your plywood stacking on the motor mount. Should reduce vibration vs. standoffs?

My receiver is designed for two separate batteries and I like the redundancy... the weight of the additional LiFe pack is negligible for this model. The retracts work better (faster) on a higher voltage, so I like using the LiPo as a separate power source. The Robart gear unit can handle up to 9.0 volts.

Curt

Old 03-13-2013, 09:50 AM
  #578  
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Default RE: Hangar 9 30cc P-47 Build Thread


ORIGINAL: Zippi

curtusua-RCU,

Nice pics. What are you running on the business end and what size prop?
Thanks for the compliment... I'm using a Power 160 and APCe 19 X 10 prop. HV 110 ESC and 12S 5000 35c Hyperion flight batteries. I'll probably play with the prop size once I get a watt meter on it, but I'll start with this one and go from there.

Curt
Old 03-18-2013, 03:53 PM
  #579  
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Default RE: Hangar 9 30cc P-47 Build Thread

Here's one more try at learning what gas motors are being used in this new model.  

Any Hanger 9 30cc P47's using the new DLE 35ra?  How is the performance?

And, those using 50cc class gas engines, what has been the effect on the airframe?

Thanks,

Here's hoping for warm weather...  Too much snow this winter!


Old 03-20-2013, 03:59 PM
  #580  
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Default RE: Hangar 9 30cc P-47 Build Thread

Flymore i am going to use a dle 55 as i am glazing mine and it will be a little heavier.
Old 04-02-2013, 12:35 PM
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Default RE: Hangar 9 30cc P-47 Build Thread

Guys,
Iwas able to get four flights on my p47 this weekend. With the DLE 55RA. She flies great and does not need anything over half throttle to scoot along nicely. I'm playing with the thought of trying a 20x10 Biela 4-blade prop for a more scale apperance. Ido realize that there will be a performance lost going to a 4-blade but wanted to hear the thoughts of you warbird veterans.
Old 04-03-2013, 05:10 AM
  #582  
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Default RE: Hangar 9 30cc P-47 Build Thread


ORIGINAL: Spridal

Guys,
Iwas able to get four flights on my p47 this weekend. With the DLE 55RA. She flies great and does not need anything over half throttle to scoot along nicely. I'm playing with the thought of trying a 20x10 Biela 4-blade prop for a more scale apperance. Ido realize that there will be a performance lost going to a 4-blade but wanted to hear the thoughts of you warbird veterans.
good to hear you can get out and fly. Up in the north east it is still cold and windy.

Did you do anything to strenthen the airframe due to your engine choice?
do you have a finished plane weight?
any photos?
michael

Old 04-03-2013, 05:11 AM
  #583  
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Default RE: Hangar 9 30cc P-47 Build Thread


ORIGINAL: Spridal

Guys,
Iwas able to get four flights on my p47 this weekend. With the DLE 55RA. She flies great and does not need anything over half throttle to scoot along nicely. I'm playing with the thought of trying a 20x10 Biela 4-blade prop for a more scale apperance. Ido realize that there will be a performance lost going to a 4-blade but wanted to hear the thoughts of you warbird veterans.
good to hear you can get out and fly. Up in the north east it is still cold and windy.

Did you do anything to strenthen the airframe due to your engine choice?
do you have a finished plane weight?
any photos?
michael

Old 04-03-2013, 07:15 AM
  #584  
Spridal
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Default RE: Hangar 9 30cc P-47 Build Thread


ORIGINAL: FlymoreRC


ORIGINAL: Spridal

Guys,
Iwas able to get four flights on my p47 this weekend. With the DLE 55RA. She flies great and does not need anything over half throttle to scoot along nicely. I'm playing with the thought of trying a 20x10 Biela 4-blade prop for a more scale apperance. Ido realize that there will be a performance lost going to a 4-blade but wanted to hear the thoughts of you warbird veterans.
good to hear you can get out and fly. Up in the north east it is still cold and windy.

Did you do anything to strenthen the airframe due to your engine choice?
do you have a finished plane weight?
any photos?
michael

Iadded more glue to the firewall joints but that was all. Ihave not weighed her yet so I'm not sure. Iwould guess the weight is around 18-20 lbs maybe more. As was suggestedIhad to add about 16oz of weight to the nose to achieve the correct CG. She certainly does not fly like a pig. She zips along very well at half stick.
Old 05-01-2013, 09:03 PM
  #585  
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Default RE: Hangar 9 30cc P-47 Build Thread

Is anyone actually flying this plane with a 30cc engine in her? If so how is it, and how much lead did you have to add to the nose?
Old 05-02-2013, 05:01 PM
  #586  
splais
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Default RE: Hangar 9 30cc P-47 Build Thread

jiminee, no 30cc engine?

Can someone tell me the width inside the cowl where engine mounts? I want to see if I can get a BME 50cc with side mount carb in her without cutting cowl.
Old 05-03-2013, 03:18 PM
  #587  
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Default RE: Hangar 9 30cc P-47 Build Thread



I'm not near the plane at the moment so I can't give measurements but I can tell you that the cowl is large enough that the DLE 55RA fits inside with room to spare. No cutting needed except for the bottom to release hot air. I'm sure the BMEwill fit without issues.

Old 05-03-2013, 03:22 PM
  #588  
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Default RE: Hangar 9 30cc P-47 Build Thread

The BME is side carb and sticks out 4.75" from center line.
Old 05-03-2013, 04:30 PM
  #589  
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Default RE: Hangar 9 30cc P-47 Build Thread

Im using dle 55 ra and dont have to cut the cowl. Im also doindlg scale exhaust  out the side of the fuselage.
Old 05-16-2013, 06:39 PM
  #590  
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Default RE: Hangar 9 30cc P-47 Build Thread

Help - I have a MAJOR problem. I cannot get the cowl on, been trying for over a half hour and only got one screw in and already broke out the top of one fuselage tab.Impossible to get screw in with washer on it. I'm afraid something is seriously wrong the mounting tabs. Does anyone have any ideas. The problem is the screw angle is just to flat and no clearance from side of fuselage. I really need help here.

PS: let me clarify, it is the top two screws I am talking about
Steve
Old 05-16-2013, 11:58 PM
  #591  
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Default RE: Hangar 9 30cc P-47 Build Thread

Hi Steve.

The mounting is a little tight with the alignment of the bolts and washers,what I did with my mounting points is to make each hole into a "slot",the "slot" being made radially........bit hard to explain,but it works and gives you more room for the cowl to be positioned.Don't be afraid to make the hole a little bigger and hence the slot bigger than the original diameter drilled......this all helps to get the movement on the bolt / washer when fitting the cowl to the fuzz.

To make sure that the mounting points are strong,I also added more epoxy to the glued areas of each mounting and in addition cut up some carbon or Ali sheet the same size as the mounting point faces where the washer / bolt tighten up to.........this will ensure that the bolts / washer do not pull-through the slotted face of the mounting ( wood is too soft,hence making a strong carbon or Ali "pad" there.

It is still a little tight,but it works and you can also get the washers on,although at first it may appear they don't want to fit on,but it works !!..........that slot as said allows more movement for all the bolts and the cowl........Give it a go.

Definately re-glue all the mountings.........slot the mountings first,cut up carbon or ali sheet to match up with the mounting face ( outside face where the bolt tightens up to ),re-glue + glue the additional "plate" onto the mounting.........when all dry drill through the slot in the wood so as to make a hole in the "plate"that was glued on,file to match the slot in the wood .........all done.

Hope this helps.

Nick (UK).
Old 05-17-2013, 02:38 AM
  #592  
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Default RE: Hangar 9 30cc P-47 Build Thread

Steve,
I too got frustrated with the screws.
i switched to using 1 1/4 length on top two mounts, and 1 inch on bottom four.
Turn the screw in just enough to hold, and jiggle the washer down to the mount. Set screw in about a 1/4 inch deeper,, and go to the next one.
this allow wiggle room for cowl and getting all of them started before securing them.

works great for me.

Michael
Old 05-19-2013, 08:51 AM
  #593  
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Default RE: Hangar 9 30cc P-47 Build Thread

Help again - I purchased my plane from a gentlemen who had just started it and decided he didn't want it. The rudder, elevator, flaps, ailerons, inner gear doors and all three electric Robart retracts were already installed. He had removed his motor.

I found the screw in the below picture rolling around in the fuselage tail. The small spring, I think, fell out of one of the wings. The spring is about 1" long and 1/8" diameter. The screw is something about 8-32 size.

Does anyone know what they may go to - it's the spring I'm most worried about, wondering if it was part of the retracts.
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Old 05-19-2013, 10:49 AM
  #594  
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Default RE: Hangar 9 30cc P-47 Build Thread

Hi Steve.

How did you get on with the cowl problem.................? All sorted now.....?

Can't be of much help with the spring or nyloc nut..................as far as the mechanics go on my robarts,no nut like that....

The spring looks to be quite heavy in "strength"..? I didn't have any spring like that or any spring anywhere in my kit !!! The only springs that I used on mine,which I supplied, was to centre the tail whell when it retracts .....are there any springs fitted to the Robart tail retract unit...?

I guess that the nut may just have been dropped in by mistake,maybe the same as the spring...?

If in doubt,pull them out and have a look,but pretty sure it's a wayward nut and spring !!!


Kind regards.............Nick (UK).
Old 05-19-2013, 11:45 AM
  #595  
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Default RE: Hangar 9 30cc P-47 Build Thread

Well I have this one on the way. I will be using an evolution 35gt that I had in a GP Super Chipmunk. That plane came in at 16+ pounds and the 35 could pull it straight up out of sight. I will also be using the robart retract set. I love the look of this plane.
Old 05-19-2013, 11:59 AM
  #596  
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Default RE: Hangar 9 30cc P-47 Build Thread

I was wavering until wife found an air museum here in pigeon forge on vacation. They have 2 flying 47s and this one was one display today.
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Old 05-19-2013, 12:13 PM
  #597  
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Default RE: Hangar 9 30cc P-47 Build Thread

I have postponed the cowl screw issue whole I work on other things; but it does look like I can notch the fuselage edge by the the two screws and you will not be able to see it once the cowl is on.

I solved the spring problem. Looked at a picture of the gear on Robart website. There are suppose to be two centering springs on either side of the tailwheel; mine are missing.

a few pictures of my progress. And yes I had one of the planes with the too short hatch.
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Old 05-19-2013, 01:13 PM
  #598  
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Default RE: Hangar 9 30cc P-47 Build Thread

Hi Steve.

Nice Biela !!! ( Corsair profile )...........................What size is it for your RA..?

Had a hunch it may have been the tail wheel springs............although my tail retract didn't have any from new !!!!

I would definately look at strenghtening the cowl mountings on the fuzz and at the same time check the wooden mounts on the cowl..........vibration will take a toll on weak joints !!!

Keep the build going good.

Nick (UK).
Old 05-21-2013, 05:00 PM
  #599  
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Default RE: Hangar 9 30cc P-47 Build Thread

Hello,

I was considering the DLE 55RA for this aircraft but I saw that a lot of people are having problem with the stock muffler falling appart, and I didn`t find an aftermarket replacement.

Will the regular DLE 55 with warp around pitts muffler have the same performance? What about the DA60? Too much?
Old 05-21-2013, 05:55 PM
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Default RE: Hangar 9 30cc P-47 Build Thread

Nick (UK),

Did you ever maiden yours?

Casey

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